Frymaster Fryer FMCFE User Manual

Series MJCF, MJCFE, MJCFEC, FMCFE,  
FMCFEC, JCFX, KJ3FC, J3F & J65X.  
NON-CE &  
Frymaster, a member of the Commercial Food Equipment Service Association, recommends  
using CFESA Certified Technicians.  
* 8 1 9 A5PR1IL820605 *  
24-Hour Service Hotline 1-800-551-8633  
PRINTED IN THE USA  
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Please read all sections of this manual and retain for future reference.  
NOTICE  
This appliance is intended for professional use only and is to be operated by qualified  
personnel only. A Frymaster Factory Authorized Service Center (FASC) or other qualified  
professional should perform installation, maintenance, and repairs. Installation, maintenance,  
or repairs by unqualified personnel may void the manufacturer’s warranty.  
NOTICE  
Drawings and photos used in this manual are intended to illustrate operational, cleaning and  
technical procedures and may not conform to onsite management operational procedures.  
NOTICE  
IF, DURING THE WARRANTY PERIOD, THE CUSTOMER USES A PART FOR THIS ENODIS  
EQUIPMENT OTHER THAN AN UNMODIFIED NEW OR RECYCLED PART PURCHASED  
DIRECTLY FROM FRYMASTER/DEAN, OR ANY OF ITS AUTHORIZED SERVICE CENTERS,  
AND/OR THE PART BEING USED IS MODIFIED FROM ITS ORIGINAL CONFIGURATION, THIS  
WARRANTY WILL BE VOID. FURTHER, FRYMASTER/DEAN AND ITS AFFILIATES WILL NOT BE  
LIABLE FOR ANY CLAIMS, DAMAGES OR EXPENSES INCURRED BY THE CUSTOMER WHICH  
ARISE DIRECTLY OR INDIRECTLY, IN WHOLE OR IN PART, DUE TO THE INSTALLATION OF  
ANY MODIFIED PART AND/OR PART RECEIVED FROM AN UNAUTHORIZED SERVICE CENTER.  
DANGER  
Improper installation, adjustment, maintenance or service, and unauthorized alterations or  
modifications can cause property damage, injury, or death. Read the installation, operating and  
service instructions thoroughly before installing or servicing this equipment. Only qualified  
service personnel may convert this appliance to use a gas other than that for which it was  
originally configured.  
DANGER  
Adequate means must be provided to limit the movement of this appliance without depending  
upon the gas line connection. Single fryers equipped with legs must be stabilized by installing  
anchor straps. All fryers equipped with casters must be stabilized by installing restraining  
chains. If a flexible gas line is used, an additional restraining cable must be connected at all  
times when the fryer is in use.  
DANGER  
The front ledge of the fryer is not a step. Do not stand on the fryer. Serious injury can result  
from slips or contact with the hot oil.  
DANGER  
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any  
other cooking appliance.  
WARNING  
No structural material on the fryer should be altered or removed to accommodate placement of  
the fryer under a hood. Questions? Call the Frymaster Service Hotline at 1-800-551-8633.  
ii  
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DANGER  
Instructions explaining procedures to be followed MUST be posted in a prominent location in  
the event the operator detects a gas leak. This information can be obtained from the local gas  
company or gas supplier.  
DANGER  
The crumb tray in fryers equipped with a filter system must be emptied into a fireproof container  
at the end of frying operations each day. Some food particles can spontaneously combust if left  
soaking in certain shortening material. Additional information can be obtained in the filtration  
manual included with the system.  
WARNING  
Do not bang fry baskets or other utensils on the fryer’s joiner strip. The strip is present to seal  
the joint between the frypot. Banging fry baskets on the strip to dislodge shortening will distort  
the strip, adversely affecting its fit. It is designed for a tight fit and should only be removed for  
cleaning.  
IMPORTANT  
Safe and satisfactory operation of Frymaster equipment depends upon its proper installation.  
Installation MUST conform with local codes, or in the absence of local codes, to European  
Community (CE) Standards.  
COMPUTERS  
FCC  
This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:  
1) This device may not cause harmful interference, and 2) This device must accept any interference  
received, including interference that may cause undesired operation. While this device is a verified Class  
A device, it has been shown to meet the Class B limits.  
CANADA  
This digital apparatus does not exceed the Class A or B limits for radio noise emissions as set out by the  
ICES-003 standard of the Canadian Department of Communications.  
Cet appareil numerique n’emet pas de bruits radioelectriques depassany les limites de classe A et B  
prescrites dans la norme NMB-003 edictee par le Ministre des Communcations du Canada.  
DANGER  
THIS PRODUCT CONTAINS CHEMICALS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE  
CANCER AND/OR BIRTH DEFECTS OR OTHER REPRODUCTIVE HARM.  
Operation, installation, and servicing of this product could expose you to airborne particles of  
glasswool or ceramic fibers, crystalline silica, and/or carbon monoxide. Inhalation of airborne  
particles of glasswool or ceramic fibers is known to the State of California to cause cancer.  
Inhalation of carbon monoxide is known to the State of California to cause birth defects or other  
reproductive harm.  
iii  
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Master Jet CF Series Atmospheric Gas Fryers  
TABLE OF CONTENTS  
PAGE #  
1.  
SERVICE PROCEDURES  
1–1  
1.1  
Functional Description  
1–1  
1.2  
Accessing Fryers for Servicing  
Cleaning Burner Manifold Gas Pressure  
Adjusting Pilot Flame  
1–4  
1.3  
1–5  
1.4  
1–6  
1.5  
Cleaning Gas Valve Vent Tube  
Adjusting Burner Ceramic Target Spacing and Alignment  
Calibrating Thermostat Control  
Replacing Fryer Components  
1–7  
1.6  
1–7  
1.7  
1–8  
1.8  
1–9  
1.8.1  
1.8.2  
1.8.3  
1.8.4  
1.8.5  
1.8.6  
1.8.7  
1.8.8  
1.8.9  
1.8.10  
1.8.11  
1.8.12  
1.9  
Replacing Computer  
1–9  
Replacing Operating Thermostat  
Replacing Temperature Probe  
1–10  
1–11  
1–11  
1–12  
1–13  
1–13  
1–14  
1–15  
1–17  
1–17  
1–18  
1–20  
1–20  
1–22  
1–23  
1–24  
1–26  
1–28  
1-28  
1–31  
1–31  
1–33  
1–34  
1–32  
1–35  
1–36  
1–37  
1–38  
1–39  
Replacing High-Limit Thermostat – Operating Thermostat Controls  
Replacing High-Limit Thermostat – Computer Controls  
Replacing Heat Mode Indicator Light – Operating Thermostat Controls  
Replacing Power/Melt Cycle Switch – Operating Thermostat Controls  
Replacing Melt Cycle Timer – Operating Thermostat Controls  
Replacing Burner Ceramic Targets  
Replacing Gas Valve  
Replacing Pilot Assembly or Thermopile  
Replacing Frypot  
Troubleshooting and Problem Isolation  
Pilot/Ignition Failures  
1.9.1  
1.9.2  
1.9.3  
1.9.4  
1.9.5  
1.9.6  
1.9.7  
1.10  
1.10.1  
1.10.2  
1.11  
1.12  
1.12.1  
1.12.2  
1.12.3  
1.12.4  
1.12.5  
Improper Burner Functioning  
Improper Temperature Control  
Computer Related Problems  
Filtration Problems  
Leakage Problems  
Millivolt Problems  
Troubleshooting Guides  
Initial Troubleshooting, Millivolt Frying Systems  
Initial Troubleshooting, 24VAC Frying Systems  
Probe Resistance Chart  
Wiring Diagrams  
MJCF Millivolt Wiring Diagram, Non-CE  
MJCF Millivolt Wiring Diagram, CE  
MJCFE 24V Wiring Diagram  
MJCFEC 24V Wiring Diagram  
FAST-Ready Constant Pilot  
iv  
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Master Jet CF Series Atmospheric Gas Fryers  
TABLE OF CONTENTS (cont.)  
PAGE #  
1.12.6  
Filter Magic II Wiring Diagram  
1–40  
2.  
PARTS LIST  
2–1  
2.1  
Accessories  
2–1  
2.2  
Burner Manifold Components  
2–3  
2.3  
Cabinetry Components  
2–5  
2.3.1  
2.3.2  
2.4  
Fryer Cabinetry  
2–5  
Filter Magic II and Spreader Cabinet Cabinetry  
Casters, Legs and Associated Hardware  
Component Shield, Filter Box Assemblies and Components  
Component Shield Assemblies – No Interface Board  
Component Shield Assemblies – With Interface Board  
Filter Box Assemblies  
2–7  
2–9  
2.5  
2–10  
2–10  
2–11  
2–12  
2–13  
2–15  
2–15  
2–17  
2–18  
2–19  
2–21  
2–22  
2–23  
2–24  
2–26  
2–27  
2–28  
2–29  
2–31  
2.5.1  
2.5.2  
2.5.3  
2.6  
Control Panel Assemblies and Related Components  
Filtration System Components  
2.7  
2.7.1.1  
2.7.1.2  
2.7.2  
2.7.3  
2.7.4  
2.7.5  
2.7.6  
2.7.7  
2.7.8.1  
2.7.8.2  
2.7.9  
2.8  
Filter Magic II Drain Manifold Components  
Euro-Look Drain Manifold Components  
Filter Magic II Filter Pan Components – Outer Pan Components  
Filter Magic II Filter Pan Components – Inner Pan Components  
Oil Return Handle Components – Units Built Prior to April 2001  
Oil Return Handle Components – Units Built April 2001 and After  
Oil Return Plumbing  
Filter Pump and Motor Components  
Drain Valves and Related Components  
Euro-Look Drain Valves and Related Components  
Power Shower Components  
Frypot, High-Limit and Probe Components  
Wiring Connectors, Pin Terminals and Power Cords  
2.9  
A.  
APPENDIX  
A–1  
A–1  
A–1  
A–2  
A–3  
A–4  
A–5  
A–6  
A–7  
A–8  
A.1  
KJ3FC & J3F Variants – Wiring Diagrams  
Computer Wiring Diagram – KJ3FC Fast-Ready  
J3F Wiring Diagram – (Fast/Fast-Computer Modified; For Reference Only)  
KFC-1 Computer Wiring Diagram – 120V  
KFC-1 Computer Wiring Diagram – 220V  
KSCF Wiring Diagram w/ Float (CE)  
A.1.1  
A.1.2  
A.1.3  
A.1.4  
A.1.5  
A.1.6  
A.1.7  
A.2  
KFC-1 Harness Diagram  
Transformer/Filter Box Wiring for FAST Controller  
Parts List – KJ3FC Variant  
v
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.1 Functional Description  
Master Jet (MJ) CF Series Atmospheric gas fryers contain a welded stainless steel frypot that is  
directly heated by gas flames that are diffused evenly over its lower surface by ceramic targets.  
The flames originate from orifices in a U-shaped burner manifold positioned beneath the frypot. The  
orifice diameters differ for natural and propane gas as shown in the table below. For altitudes of  
2000 feet and greater, contact factory for correct orifice part number.  
CF Series Orifice Sizes (0-1999 ft/609 m)  
Gas  
Natural  
Propane  
Inches  
0.055  
0.035  
Millimeters  
1.4  
0.9  
Gas flow to the manifold is regulated by an electromechanical gas valve. MJCF Series gas fryers are  
equipped with millivolt gas valves, and MJCFE Series gas fryers are equipped with 24-volt gas  
valves. All models use a pilot ignition system.  
Pilot Ignition System  
The pilot ignition system consists of the pilot orifice, pilot hood, and a thermopile (a thermocouple is  
also used in CE units per CE requirements). The pilot serves two purposes. The first is to light the  
burner, the second is to heat the thermopile. In operation, the thermopile is in contact with the pilot  
flame and generates millivolts. The millivolt output passes through a normally closed high-limit  
switch and energizes the gas valve pilot coil, which in turn opens the pilot valve. If the pilot flame is  
extinguished, voltage is lost to the gas valve pilot coil and the pilot valve closes.  
24VAC Transformer  
On MJCFE models, a separate 24-volt circuit,  
activated by the fryer On/Off switch,  
Operating Thermostat  
ON/OFF Switch  
Line Voltage  
provides voltage through the thermostat or  
controller to the gas valve main coil, which  
Gas Valve  
Main Valve Magnet  
opens the main valve. The gas valve is  
constructed so that the main valve will not  
open if the pilot valve is not open. The pilot  
Pilot Magnet  
Thermopile  
flame must be manually lit (either with a  
match or with an optional built-in piezo  
High-Limit  
ignitor) when the fryer is first placed into  
operation.  
Pilot  
The Pilot System (24V Circuit, Non-CE).  
1-1  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.1 Functional Description (cont.)  
CONTROL OPTIONS  
MJCF Series gas fryers may be equipped with thermostat controllers or Computer Magic III.5  
computers. KJ3FC variants are equipped with user-supplied or KFC-1 computers.  
MJCF fryers equipped with thermostat controls are turned on and off with the gas valve control knob  
(an On/Off switch is optional). The temperature is set by means of a knob connected directly to the  
frypot-mounted thermostat. MJCFE models come equipped with a rocker switch to turn the fryer on  
and off. Units equipped with thermostat controllers have no interface board.  
MJCFE Series with Melt-Cycle option: When the melt cycle switch is placed in the ON position, the  
fryer stays in the melt cycle mode until the switch is manually placed in the OFF position, even if the  
frypot is at setpoint temperature.  
Fryers equipped with computers have an interface board located in the component shield behind the  
control panel.  
INTERFACE BOARDS  
The interface board provides the link between the computer and the fryer’s components without  
requiring excessive wiring, and allows the computer to execute commands from one central point.  
Depending upon the configuration of the fryer, any of three boards may be used. Regardless of the  
particular board installed when the fryer was built, P/N 806-3548 is the universal replacement  
part (not applicable to user-supplied computers).  
GV AL 24V COMP  
R2  
D4  
D1  
R3  
R4  
D5  
D7  
R8  
R9  
R10  
R1  
R5  
D6  
R6  
24VAC  
J2  
1
4
5
6
13  
14  
15  
12  
11  
10  
1
7
8
9
10  
11  
12  
3
2
1
6
5
4
9
8
7
C1  
2
3
COMP AC  
D8  
1
J1  
Frymaster  
D9  
C 2000  
R14  
R12  
1
R11  
1
R13  
COM  
HOT  
R15  
R16  
R17  
AC  
1
2
5
4
2
5
4
2
5
3
2
1
COM  
HOT  
AC  
3
4
3
K1  
3
K2  
K3  
SOUND  
MADE IN U.S.A.  
NOTES:  
1.  
RELAYS K1 AND K2 ARE FOR BELL CRANK BASKET LIFTS.  
THEY ARE NOT PRESENT ON BOARDS 806-5490 (U.S. & NON-  
CE EXPORT UNITS W/O BASKET LIFTS) OR 806-7501 (CE UNITS,  
WITH OR WITHOUT BASKET LIFTS).  
2.  
3.  
RESISTORS R1, R10, AND R15 ARE NOT USED ON ANY OF THE  
THREE BOARDS.  
RESISTORS R11 AND R12 ARE NOT USED ON 806-5490  
BOARDS.  
INTERFACE BOARDS 806-3548, 806-5490 & 806-7505  
1-2  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.1 Functional Description (cont.)  
FREQUENTLY USED TEST POINTS FOR MODELS WITH INTERFACE BOARDS  
Meter  
Test  
Setting  
50 VAC Scale  
50 VAC Scale  
Pins  
1 and 3 of J2  
24 VAC Terminals  
Results  
12-18  
22-28  
22-28  
110-125  
**  
12 VAC Power to Controller  
24 VAC Power  
24 VAC Power to Gas Valve 50 VAC Scale  
120 VAC Power  
Probe Resistance*  
6 on J1 and GROUND  
250 VAC Scale 7 and 12 of J1  
R x 1000 OHMS 2 and 3 of J1  
** Disconnect 15-Pin harness from controller before testing probe circuit.  
** See Probe Resistance Chart at end of chapter.  
Four LEDs, arranged across the top of the boards and identified in the table below, are provided to  
assist in troubleshooting.  
MASTER JET SERIES INTERFACE BOARD  
LED DIAGNOSTIC LIGHTS  
GV Indicates 24 VAC to the gas valve  
AL Indicates open Drain Safety Switch (if installed)  
24V Indicates 24 VAC from transformer  
COMP Indicates 12 VAC to computer  
Every board contains one heat relay (K3), and may contain two basket lift relays (K1 and K2). As  
shipped from the factory, fryers with bell-crank basket lifts will have relays K1, K2, and K3. All  
other factory-original fryers will have boards with only relay K3.  
NOTE: The basket lift option is not available on MJCF Series fryers. The above diagnostic  
tables are not applicable to user-supplied or KFC-1 computers.  
THERMOSTATS AND TEMPERATURE PROBES  
MJCF Series fryers equipped with thermostat controls have an adjustable controlling (operating)  
thermostat. The temperature at which the thermostat opens and closes is adjusted by changing the  
setting of the thermostat with an attached knob. When new, the Fenwal controlling thermostat is  
sensitive to one-degree changes in temperature.  
CAUTION  
Fenwal thermostats are used in a number of Frymaster products. The thermostat for  
the MJCF Series is 4 inches long. Do not use 3-inch Fenwal thermostats in MJCF  
Series fryers.  
1-3  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.1 Functional Description (cont.)  
MJCFE Series fryers equipped with computers have a temperature probe. In these units, the probe  
resistance varies directly with the temperature. That is, as the temperature rises, so does resistance at  
a rate of approximately 2 ohms for every 1° (F or C). Circuitry in the computer monitors the probe  
resistance and controls burner firing when the resistance exceeds or falls below programmed  
temperatures (setpoints). The temperatures are programmed by means of a keypad on the face of the  
computer.  
All MJCF Series Atmospheric gas fryers are equipped with a high-limit thermostat. In the event  
that the fryer fails to properly control the oil temperature, the high-limit thermostat prevents the fryer  
from overheating to the flash point. The high-limit thermostat acts as a normally closed power  
switch that opens when exposed to temperatures in the range of 415°F to 435°F (213°C to 224°C).  
The high-limit thermostat is the same for CE and Non-CE applications. When a replacement high-  
limit thermostat is ordered, ensure the kit appropriate for the valve in use is ordered.  
1.2 Accessing Fryers for Servicing  
DANGER  
Moving a fryer filled with oil may cause spilling or splattering of hot liquid. Follow  
the draining instructions in the Operator’s manual that shipped with the fryer.  
1. Shut off the gas supply to the unit. Unplug the power cord(s). Disconnect the unit from the gas  
supply.  
2. Remove any attached restraining devices.  
3. Relocate the fryer for service accessibility.  
4. After servicing is complete, reconnect the unit to the gas supply, reattach restraining devices,  
and plug in the electrical cords.  
1-4  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.3 Checking Burner Manifold Gas Pressure  
WARNING  
This task should be performed by qualified service personnel only.  
1. Ensure that the gas valve knob or button is in the OFF position.  
2. Remove the pressure tap plug from the end of the manifold (see illustration below) and connect a  
gas pressure-measuring device to the port.  
Remove plug to connect a gas  
pressure-measuring device to the port.  
3. Place the gas valve in the ON position then place the fryer power switch in the ON position  
(where applicable). When the burner lights and continues to burn, compare the pressure reading  
to that for the corresponding gas in the tables below and on the next page.  
CE Standards for Incoming Gas  
Pressures  
Model  
MJCF/J65 CE  
G25  
Gas Type  
G20  
20  
G31  
37-50  
0,95  
Pressure  
20-25  
1,40  
(mbar)1  
Orifice  
1,40  
Size  
Number  
of  
21  
21  
21  
Orifices  
Manifold  
Pressure  
Air Flow  
7,5  
10  
14,9  
2,35  
3,62  
4,18  
(m3/H)  
1(mbar) = 10,2 mm CE  
1-5  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.3 Checking Burner Manifold Gas Pressure (cont.)  
Non-CE Standard  
Non-CE Standard  
for Incoming Gas Pressures  
for Burner Manifold Gas Pressures  
Gas  
Minimum  
Maximum  
Gas  
Pressure  
6" W.C.  
1.49 kPa  
14" W.C.  
3.48 kPa  
3.5" W.C.  
.75 kPa  
Natural  
Natural  
14.93 mbar 34.84 mbar  
7.5 mbar  
11" W.C.  
2.74 kPa  
14" W.C.  
3.48 kPa  
8.25" W.C.  
2.0 kPa  
LP  
LP  
27.37 mbar 34.84 mbar  
20.0 mbar  
4. If the measured manifold gas pressure does not match the appropriate pressure in the preceding  
tables, remove the cap from the gas valve regulator and adjust to the correct pressure.  
Honeywell Valve  
(Non-CE Units)  
Honeywell Valve  
(CE Units)  
Regulator Adjustment Screw Cap  
1.4 Adjusting Pilot Flame  
1. On non-CE valves, remove the cap covering the pilot adjustment screw. On all valves, turn the  
pilot adjustment screw counterclockwise to increase the length of the flame or clockwise to  
decrease the length of the flame. Adjust the flame to a length of 1 to 1-½ inches (25 to 38 mm).  
Pilot Adjustment Screw  
On Non-CE gas valves, remove this cap to  
access Pilot Adjustment Screw.  
Honeywell Valve  
(CE Units)  
Honeywell Valve  
(Non-CE Units)  
2. On Non-CE valves, reinstall the pilot adjustment screw cap.  
1-6  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.5 Cleaning Gas Valve Vent Tube  
1. Carefully unscrew the vent tube from the gas valve. NOTE: The vent tube may be straightened  
for ease in removal.  
2. Pass a piece of ordinary binding wire (.052 inch diameter) or equivalent through the tube to  
remove any obstruction.  
3. Remove the wire, and then blow through the tube to ensure it is clear.  
4. Reinstall tube and bend it so that the opening is pointing downward.  
1.6 Adjusting Burner Ceramic Target Spacing and Alignment  
DANGER  
Drain the frypot or remove the handle from the drain valve before proceeding further.  
Proper spacing of the top edge of the burner ceramic targets is ¾-inch (13 mm) from the frypot side  
[The rear target should be adjusted to 1-inch (25 mm) from the frypot back]. To adjust target  
spacing, bend the brackets to which they are attached away or toward the frypot to the proper  
distance. (A length of board of the proper thickness is useful as a gauge to verify spacing and  
alignment.)  
3/4-inch  
1-inch  
There should be about 3/4-inch spacing between the top edge of the targets  
and the side of the frypot, and 1-inch between the rear target and the frypot  
back.  
1-7  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.7 Calibrating Thermostat Control  
1. Fill the frypot to the lower OIL-LEVEL line with oil. If solid shortening is used, it must be  
tightly packed into the frypot.  
2. Light the pilot. (Refer to Installation and Operation Manual that shipped with the fryer for  
detailed lighting instructions.)  
3. Insert a good grade thermometer or pyrometer into the frypot, about one inch from the  
thermostat.  
4. Set the thermostat to 325°F (163°C).  
5. Allow the fryer to heat to 325°F (163°C) and cycle on and off three times.  
6. With the oil temperature at 325°F (163°C) turn the flexible shaft slowly clockwise until the  
burner shuts off. (Turning the shaft counterclockwise causes the temperature to increase and the  
burner to light; turning it clockwise causes the temperature to decrease and shut off.)  
7. Allow the fryer to sit for a few minutes and then slowly turn the flexible shaft counterclockwise  
until the burner lights.  
8. Repeat steps 6 and 7 at least three times to ensure an accurate setting is obtained. The thermostat  
control is calibrated if the burner lights as the oil cools to 325°F (163°C) – not when the burner  
shuts off as the temperature rises.  
9. Compare the reading of the pyrometer to the setting on the thermostat plate. The position of the  
knob on the thermostat and the reading from the pyrometer should be within 5°F (3°C) of each  
other.  
10. If not, loosen the setscrew and stop screw securing the thermostat shaft extension to the flexible  
shaft. Remove the extension to expose the slot in the end of the flexible shaft. Use a flat-blade  
screwdriver to adjust the thermostat.  
11. Once the calibration point of 325°F (163°C) is determined, allow the burner to cycle on and off  
at least three times to ensure it will light at the calibrated temperature.  
12. Carefully replace the thermostat shaft extension, ensuring that the stop screw is pointed straight  
up. Tighten the stop screw and locking nut and the setscrew, being careful not to rotate the  
flexible shaft.  
CAUTION  
The thermostat flexible shaft must not be rotated while installing the thermostat  
shaft extension!  
When handling the thermostat, do not rotate the shaft more than two turns in either  
direction. Doing so will cause damage to the thermostat.  
1-8  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.7 Calibrating Thermostat Control (cont.)  
13. Close the fryer control panel and replace the screws in the upper corners.  
14. Reinstall the thermostat knob with its pointer aligned with the 325°F (163°C) index mark on the  
temperature dial.  
15. Reconnect the fryer to the electrical power supply.  
1.8 Replacing Fryer Components  
1.8.1 Replacing Computer  
1. Disconnect the fryer from the electrical  
supply.  
2. The controller bezel is held in place by  
tabs at the top and bottom. Slide the  
bezel up to disengage the lower tabs.  
Then slide the bezel down to disengage  
the upper tabs.  
3. Remove the two screws in the upper  
corners of the control panel and swing  
the panel open from the top, allowing it  
to rest on its hinge tabs.  
4. Disconnect the wiring harness from the  
back of the controller and, if replacing  
the harness, disconnect it from the  
interface board (arrows).  
If replacing harness, disconnect the harness from  
the controller and interface board (arrows).  
5. Disconnect the ground wire, and then  
remove the controller by lifting it from  
the hinge slots in the control panel  
frame.  
6. Ensure the new computer is properly  
configured for the fryer on which it is  
installed (i.e., gas or electric, full or  
split pot and Celsius or Fahrenheit.  
Although identical in appearance,  
computers configured for use on one  
type of fryer are not directly  
interchangeable with those configured  
for use on another type.  
If replacing controller, disconnect the ground wire  
and the 15-pin connector (arrows).  
7. Reverse the procedure to install a new  
controller or wiring harness.  
1-9  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.8.2 Replacing Operating Thermostat  
CAUTION  
The thermostat must be calibrated after installation is complete. Refer to Section 1.7  
for calibration instructions.  
When handling the thermostat, do not rotate the shaft more than two turns in either  
direction. Doing so will cause damage to the thermostat.  
1. Disconnect the fryer from the electrical supply and drain the frypot.  
2. Loosen the setscrew securing the thermostat knob and remove the knob. Remove the screws  
from the upper left and right corners of the control panel. The control panel is hinged at the  
bottom and will swing open from the top.  
3. Disconnect the 9-pin connector and remove the control panel from the fryer by disengaging its  
tabs from the hinge slots in the mounting frame.  
4. Loosen the setscrews (2) securing the  
flexible shaft to the thermostat shaft and  
slip the flexible shaft off the thermostat  
shaft (arrow).  
5. Remove the flexible shaft guide by  
removing the two sheet metal screws  
securing it to the upper frame.  
6. Disconnect the thermostat leads from pin  
14 in the 20-pin terminal block and from  
the gas valve terminal.  
NOTE: If the fryer is configured with a  
melt cycle, the thermostat leads will be  
connected to the melt cycle timer motor  
or PC board rather than to the terminal  
Remove setscrews (arrow) to remove flexible shaft  
from thermostat shaft.  
block and gas valve. Disconnect the leads  
from the motor or PC board if this is the  
case.  
7. Unscrew the thermostat from the frypot and remove.  
8. Apply Loctite PST567 thread sealant or equivalent to the replacement thermostat threads.  
9. Reverse steps 1 through 7 to install the replacement.  
1-10  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.8.3 Replacing Temperature Probe  
1. Disconnect the fryer from the electrical supply.  
2. Drain the frypot.  
3. Remove the screws from the upper left and right corners of the control panel. The panel is  
hinged at the bottom and will swing open from the top.  
4. Unplug the wiring harness from the back of the controller and disconnect the grounding wire  
(see Section 1.8.1, Step 4).  
5. Remove the controller from the fryer by lifting it from the hinge slots in the control panel frame.  
5. Remove the two screws from the base of the interface board mounting-bracket.  
6. Disconnect the 12-pin plug from the back of the interface board and lay the board in the left end  
of the compartment with all other wires still connected.  
7. Remove the 12-volt transformer from the component shield and lay it in the left end of the  
compartment with wires still connected.  
8. Using a pin-pusher, remove the temperature probe wires (pins 1 and 2) from the 12-pin plug  
disconnected in step 7.  
9. Unscrew the temperature probe from the frypot and remove.  
10. Apply Loctite PST567 thread sealant or equivalent to new probe threads.  
11. Reverse steps 1 through 10 to install the replacement probe.  
1.8.4 Replacing High-Limit Thermostat – Operating Thermostat Controls  
1. Disconnect the fryer from the electrical supply.  
2. Drain the frypot.  
3. Loosen the setscrew securing the thermostat knob and remove the knob. Remove the screws  
from the upper left and right corners of the control panel. The control panel is hinged at the  
bottom and will swing open from the top.  
4. Disconnect the 9-pin connector and remove the control panel from the fryer by disengaging its  
tabs from the hinge slots in the mounting frame.  
5. Disconnect the high-limit thermostat leads from the gas valve pilot coil.  
1-11  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.8.4 Replacing High-Limit Thermostat – Operating Thermostat Controls (cont.)  
6. Unscrew the high-limit thermostat from the frypot and remove.  
7. Apply Loctite PST567 thread sealant or equivalent to the replacement thermostat threads.  
8. Reverse steps 1 through 7 to install the replacement.  
1.8.5 Replacing High-Limit Thermostat – Computer Controls  
1. Disconnect the fryer from the electrical power supply.  
2. Drain the frypot.  
3. Remove the screws from the upper left and right corners of the computer panel. The computer is  
hinged at the bottom and will swing open from the top.  
4. Unplug the wiring harness and disconnect the grounding wire from the controller.  
5. Remove the controller from the fryer by lifting it from the hinge slots in the fryer control panel  
frame.  
6. Remove the two screws from the base of the interface board-mounting bracket.  
7. Disconnect the 12-pin plug from the back of the interface board and lay the board in the right end  
of the compartment with all other wires still connected.  
8. Remove the 12-volt transformer and lay it in the right end of the compartment with wires still  
connected.  
9. Remove the high-limit thermostat wires from the gas valve pilot coil and pull them up through  
the control shield.  
10. Unscrew the high-limit thermostat from the frypot and remove.  
11. Apply Loctite PST567 thread sealant or equivalent to the replacement thermostat’s threads and  
screw it into the frypot.  
12. Attach the appropriate terminals (furnished in the replacement thermostat kit) to the thermostat  
leads.  
13. Reverse steps 1 through 9 to complete installation of the replacement thermostat.  
1-12  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.8.6 Replacing Heat Mode Indicator Light – Operating Thermostat Controls  
1. Disconnect the fryer from the electrical supply.  
2. Loosen the setscrew securing the thermostat knob and remove the knob. Remove the screws  
from the upper left and right corners of the control panel. The control panel is hinged at the  
bottom and will swing open from the top.  
3. Disconnect the 9-pin connector and remove the control panel from the fryer by disengaging its  
tabs from the hinge slots in the mounting frame.  
4. Carefully press the light out from the back of the control panel. Disconnect one wire at a time  
and reconnect it to the replacement light until all wires are transferred.  
5. Carefully press the light back into the control panel.  
6. Reverse steps 1-3 to reassemble the fryer.  
1.8.7 Replacing Power/Melt Cycle Switch – Operating Thermostat Controls  
NOTE: The Power/Melt-Cycle Switch, P/N 807-1404, has been replaced with a new switch, P/N  
807-3498. When ordering the new switch, order Kit 826-1792, which contains the new switch and  
wiring instructions. The new switch is wired differently than the old one. Ensure the new switch is  
wired properly before operating fryer. Consult P/N 819-5889 (MJCF, MJ45 Switch Replacement  
Instructions) for further detail.  
1. Disconnect the fryer from the electrical supply.  
2. Loosen the setscrew securing the thermostat knob and remove the knob. Remove the screws  
from the upper left and right corners of the control panel. The control panel is hinged at the  
bottom and will swing open from the top.  
3. Disconnect the 9-pin connector and remove the control panel from the fryer by disengaging its  
tabs from the hinge slots in the mounting frame.  
4. Using a flat-tipped screwdriver, disconnect the chrome bezel from the tabs on the switch and  
press the switch out from the front.  
5. Carefully press the new switch back into the chrome bezel, ensuring the tabs on the switch  
engage the slots in the bezel.  
6. Disconnect the wires from the old switch and reconnect to the new switch until all wires have  
been transferred (see note at the beginning of this procedure).  
7. Reverse steps 1-3 to reassemble the fryer.  
1-13  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.8.8 Replacing Melt Cycle Timer – Operating Thermostat Controls  
The mechanical melt cycle timer is no longer available. A solid-state timer replaces the  
mechanical unit. To replace the mechanical melt-cycle timer:  
1. Remove all electrical power from the fryer. Unplug fryer and ensure all power switches are off.  
2. Access timer by removing the control  
panel. Remove timer by removing two  
screws that hold it in place. Detach wires.  
Remove the control panel to reveal the mechanical  
timer (arrow). The metal plate that holds the timer-  
unit in place is secured with two screws. Remove  
the screws, lift out the timer and detach the wires.  
3. Attach wires to the new timer as follows:  
Ground -To number 4 of clip terminals.  
24VAC - To wire 28C.  
Melt - To wire 29C.  
Valve - To thermostat.  
The solid-state timer mounted on a metal plate,  
bolts into the space previously occupied by the  
mechanical timer.  
4. Bolt new timer into place. Reattach  
control panel.  
1-14  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.8.9 Replacing Burner Ceramic Targets  
DANGER  
Drain the frypot or remove the handle from the drain valve before proceeding further.  
1. Disconnect fryer from electrical and gas supplies.  
2. On FMCF fryers, remove square-drain sections as necessary to expose burner.  
3. Disconnect the wires from the gas valve terminal block, marking each wire to facilitate  
connections.  
4. Remove the high-limit thermostat wires from the gas valve pilot coil.  
5. Disconnect the pipe union collar at the left side of the gas valve (arrow).  
Disconnect union (arrow) to remove burner manifold assembly.  
6. Remove front burner shields to access burner assembly.  
7. Remove the burner heat shield hanger screws at the front of the burner and remove the heat  
shield.  
8. Remove the burner hanger screws and lower the front of the main burner. Pull it forward to clear  
the rear burner hanger, and then lower the burner to the floor.  
9. Raise the front of the fryer enough to slide the burner from under the fryer cabinet.  
1-15  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.8.9 Replacing Burner Ceramic Targets (cont.)  
10. To replace only the ceramic targets, straighten the target locking tabs with a pair of needle nose  
pliers or a screwdriver, and slide the target up and off the bracket. Slide the replacement target  
onto the bracket and bend the locking tabs inward towards the burner target.  
Remove  
damaged target  
by lifting up from  
bracket. Install  
new target and  
bend lock-tab in  
to lock target in  
bracket.  
Straighten lock-tab  
to remove ceramic  
target.  
To replace the entire target assembly, use a ½-inch (13 mm) box end wrench to remove the two  
brass orifices that hold the assembly to the burner manifold. Position the new assembly and  
replace the orifices.  
WARNING  
Use extreme care to prevent cross-threading and stripping when reinstalling the  
brass orifices.  
11. Reverse steps 1-8 to reinstall the burner assembly. Check spacing and alignment of targets in  
accordance with Section 1.6.  
1-16  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.8.10 Replacing Gas Valve  
DANGER  
Drain the frypot or remove the handle from the drain valve before proceeding further.  
1. Disconnect fryer from electrical and gas supplies  
2. Disconnect the wires from the gas valve terminal block, marking each wire to facilitate  
reconnections.  
3. Remove the high-limit thermostat wire from the gas valve pilot coil.  
4. Disconnect the pilot gas line fitting from the gas valve.  
5. Disconnect the pipe union collars to the left and right of the gas valve and remove the valve.  
6. Remove the pipefittings from the old gas valve and install on the replacement valve, using  
Loctite PST567 or equivalent pipe-thread sealant on threads.  
7. Reverse steps 1-5 to install the replacement gas valve.  
1.8.11 Replacing Pilot Assembly or Thermopile  
1. Remove the burner assembly in accordance with steps 1-8 of Section 1.8.9.  
2. To replace only the thermopile:  
a. Bend the clip at the bottom of the pilot  
assembly and press the thermopile out  
of the pilot assembly from the top.  
b. Disconnect the thermopile fitting from  
the gas valve pilot coil.  
c. Reverse the above two steps to install  
the replacement thermopile.  
Bend the clip (arrow) outward, and then press  
the thermopile out of the pilot assembly.  
1-17  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.8.11 Replacing Pilot Assembly or Thermopile (cont.)  
3. To replace the complete pilot assembly:  
a. Disconnect the pilot tubing from the bottom of the pilot assembly.  
b. Remove the screw from the pilot mounting-bracket to release the pilot assembly.  
c. Disconnect the thermopile fitting from the gas valve pilot coil.  
d. Reverse steps a through c to install the replacement pilot assembly.  
4. Reinstall the burner assembly by reversing steps 1-8 of Section 1.8.9.  
1.8.12 Replacing Frypot  
1. Drain the frypot.  
2. Remove all accessories (e.g., frypot covers, basket lift arms, etc.) from the fryer.  
3. Disconnect the fryer from gas and electrical supplies.  
4. Remove the screws from the top-cap above the control panel and lift it up and off the fryer(s).  
5. If the fryer is equipped with other than a thermostat control, skip to Step 10.  
6. Perform steps 1-6, section 1.8.2.  
CAUTION  
When handling the thermostat, do not rotate the shaft more than two turns in either  
direction. Doing so will cause damage to the thermostat.  
7. For fryers with other than thermostat controls, perform steps 1-4, section 1.8.1.  
8. Disconnect the 12-pin plug from the back of the interface board. Use a pin pusher to remove the  
temperature probe leads (pins 1 and 2) and the high-limit thermostat leads (pins 6 and 8) from  
the plug. Leave all other wires connected. Leave the interface board lying on the shield.  
9. Remove the louvered frame above the control panel opening.  
10. Remove the screws securing the component shield to the fryer.  
11. Disconnect the wires from components in component shield and mark to facilitate reconnection.  
12. Disconnect the wires from the gas valve terminal block. Mark each wire to facilitate  
reconnection.  
1-18  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.8.12 Replacing Frypot (cont.)  
13. Remove the cover from the safety drain switch, disconnect the wires from the switch, and pull  
them out of the switch box.  
14. Pull up and forward on the component shield to clear the rear mounting stud on the front of the  
frypot and remove it from the fryer by rotating its right side up and to the left.  
15. Disconnect the pipe union on the right side of the gas valve.  
16. On FMCF fryers, remove the section of square drain from the drain valve of the frypot to be  
removed.  
17. Remove the frypot hold-down bracket.  
18. Remove the screws from the flue cap sides and back, and lift it clear of the fryer(s).  
19. Remove the oil return line from the front of the frypot to be removed.  
20. Lift the complete frypot assembly (frypot, burner, gas valve, and flue) from the fryer cabinet.  
21. Transfer the burner heat shield and burner to the replacement frypot.  
22. Remove the drain valve, thermostat or temperature probe, and high-limit thermostat and install  
on replacement frypot.  
CAUTION  
Before installing the thermostat/temperature probe, high-limit thermostat, and drain  
valve on the replacement frypot, clean their threads and apply Loctite PST567 thread  
sealant or equivalent to the threads.  
23. Reverse steps 1-22 to reassemble the fryer.  
1-19  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.9 Troubleshooting and Problem Isolation  
Because it is not feasible to attempt to include in this manual every conceivable problem or trouble  
condition that might be encountered, this section is intended to provide technicians with a general  
knowledge of the broad problem categories associated with this equipment, and the probable causes  
of each. With this knowledge, the technician should be able to isolate and correct any problem  
encountered.  
Problems likely encountered can be grouped into six broad categories:  
1. Pilot/Ignition failures  
5. Filtration problems  
6. Leakage  
2. Improper burner functioning  
3. Improper temperature control  
4. Computer-related problems  
The probable causes of each category are discussed in the following sections. Troubleshooting  
charts are included at the end of the chapter to assist in identifying some of the more common  
problems.  
1.9.1 Pilot/Ignition Failures  
There are two categories: no pilot flame and unreliable flame.  
No pilot flame  
1. No gas or insufficient gas supply.  
2. Clogged pilot orifice.  
3. Air in gas lines (usually in new installations).  
4. Open or grounded high limit.  
Unreliable flame  
1. Loose/corroded wire connections.  
2. Low or no voltage out of thermopile / thermocouple (CE units).  
3. Defective gas valve.  
1-20  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.9.1 Pilot/Ignition Failures (cont.)  
Ignition failures occur when the 24VAC power supply to the gas valve is interrupted, when the gas  
supply is interrupted, or when the pilot flame is extinguished.  
There are three primary reasons for ignition failure, listed in order of probability:  
1. Problems related to the gas and/or electrical power supplies.  
2. Problems related to the electronic circuits.  
3. Problems related to the gas valve.  
PROBLEMS RELATED TO THE GAS AND/OR ELECTRICAL POWER SUPPLIES  
The main indicators of this are that an entire battery of fryers fails to light and/or there are no  
indicator lights illuminated on the fryer experiencing ignition failure. Verify that the quick  
disconnect hose is properly connected, the fryer is plugged in, the main gas supply valve is open,  
and the circuit breaker for the fryer electrical supply is not tripped.  
PROBLEMS RELATED TO THE ELECTRONIC CIRCUITS  
If gas and electrical power are being supplied to the fryer, the next most likely cause of ignition  
failure is a problem in the 24 VAC circuit of the pilot system. If the fryer is equipped with a Filter  
Magic II filtration system, first verify that the drain valve is fully closed. (The valve is attached to a  
microswitch that must be closed for power to reach the gas valve. Often, although the valve handle  
appears to be in the closed position, the microswitch is still open.) If the valve is fully closed, or the  
fryer does not have a filtration system, refer to the troubleshooting tables in this chapter.  
PROBLEMS RELATED TO THE GAS VALVE  
If the problem is not in the 24 VAC circuit of the pilot system, it is most likely in the gas valve itself,  
but before replacing the gas valve refer to the troubleshooting tables in this chapter.  
1-21  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.9.2 Improper Burner Functioning  
The burner ignites but exhibits abnormal characteristics such as "popping", incomplete lighting of  
the burner, fluctuating flame intensity, and flames "rolling" out of the fryer.  
"Popping" indicates delayed ignition. In this condition, the main gas valve is opening but the  
burner is not immediately lighting. When ignition does take place, the excess gas "explodes" into  
flame, rather than smoothly igniting.  
The primary causes of popping are:  
Incorrect or fluctuating gas pressure  
Misdirected or weak pilot flame  
Burner deflector targets out of alignment or missing  
Clogged burner orifices  
Inadequate make-up air  
Clogged vent tube, causing incorrect gas pressure  
If popping occurs only during peak operating hours, the problem may be incorrect or fluctuating gas  
pressure. Verify that the incoming gas pressure (pressure to the gas valve) is in accordance with the  
appropriate CE or Non-CE standards found in the tables on Pages 1-5 and 1-6, and that the pressure  
remains constant throughout all hours of usage. Refer to Section 1.3 for the procedure for checking  
the burner gas pressure.  
If popping is consistent during all hours of operation, verify that the pilot is properly positioned  
above the burner orifice and that the pilot pressure is correct. Correct pilot pressure is indicated by a  
flame 1 to 1-½" (25 to 38 mm) long. Refer to Section 1.4 for the pilot flame adjustment procedure.  
Clogged burner orifices, especially those near the pilot, are also likely causes of delayed ignition.  
Clogged orifices are indicated by no flame, flames that are orange-colored, and flames that shoot out  
at an angle from the rest.  
Another cause of popping is an insufficient air supply or drafts that are blowing the pilot flame away  
from the burner. Check for "negative pressure" conditions in the kitchen area. If when the door is  
opened to the kitchen and a rush of incoming air is felt, this indicates that more air is being  
exhausted than is being replenished and the burners may have insufficient combustion air.  
If the fryer’s gas and air supplies are okay, the problem most likely is with one of the electrical  
components. Examine the computer for signs of melting/distortion and/or discoloration due to  
excessive heat buildup in the fryer. (This condition usually indicates improper flue performance.).  
A discolored or distorted computer should be replaced immediately. To prevent recurring problems,  
correct the condition immediately.  
The burner lighting on one side only may be caused by a missing or misaligned rear deflector target  
or improper burner manifold pressure. Clogged burner orifices are usually the cause of gaps in  
burner firing.  
1-22  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.9.2 Improper Burner Functioning (cont.)  
Fluctuating flame intensity is normally caused by either improper or fluctuating incoming gas  
pressure, but may also be the result of variations in the kitchen atmosphere. Verify incoming gas  
pressure in the same way as for "popping", discussed in the preceding paragraphs. Variations in the  
kitchen atmosphere are usually caused by air conditioning and/or ventilation unit air-exchange. As  
the systems start and stop, the pressure in the kitchen may change from positive or neutral to  
negative, or vice versa. They may also cause changes in airflow patterns that may affect flame  
intensity.  
Flames "rolling" out of the fryer are usually an indication of negative pressure in the kitchen. Air  
is being sucked out of the fryer enclosure and the flames are literally following the air. If negative  
pressure is not the cause, check for high burner manifold gas pressure in accordance with the  
procedures in Section 1.3. An obstructed flue, which prevents the fryer from properly exhausting,  
may also be the cause.  
An excessively noisy burner, especially with flames visible above the flue opening, may indicate  
that the burner gas pressure is too high, or it may simply be that the gas valve vent tube is blocked.  
If the gas pressure is correct and the vent tube is unobstructed, the gas valve regulator is probably  
defective.  
Occasionally a burner may apparently be operating correctly, but the fryer has a slow recovery rate.  
[The recovery rate is the length of time required for the fryer to increase the oil temperature from  
250°F to 300°F (121°C to 149°C)]. Low burner manifold pressure and/or misaligned or missing  
deflector targets are usually the main causes. If both of these causes are ruled out, the probable  
cause is a gas valve regulator that is out of adjustment. See Section 1.3 to adjust regulator.  
1.9.3 Improper Temperature Control  
Temperature control, including the melt cycle, is a function of several interrelated components, each  
of which must operate correctly. The principle component is the thermostat (in thermostat control  
units) or the temperature probe (in fryers equipped with computers). Depending upon the specific  
configuration of the fryer, other components may include the interface board and the computer.  
Improper temperature control problems can be categorized into melt cycle problems and failure to  
control at setpoint problems.  
1-23  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.9.3 Improper Temperature Control (cont.)  
MELT CYCLE PROBLEMS  
NOTE: In early 1999, PC board melt cycle timers replaced melt-cycle timer motors in new fryers.  
See Section 1.8.8 for retrofit information.  
In fryers equipped with thermostat controls, the melt cycle is controlled by a mechanical timer or a  
PC board. Three components that that can fail are the melt-cycle timer, the melt-cycle timer  
microswitch or the control panel melt cycle On/Off switch. Isolate the defect and replace defective  
component.  
In fryers equipped with computers, the problem may be with the computer itself, the temperature  
probe, or a malfunctioning heat relay on the interface board. Refer to the troubleshooting tables in  
this chapter.  
FAILURE TO CONTROL AT SETPOINT  
In fryers equipped with thermostat controls, the problem will be with the thermostat itself. Possible  
causes are that the thermostat is out of calibration, the knob or flexible shaft is loose on the  
thermostat shaft, a thermostat wire is disconnected or broken, or the thermostat is defective. Refer to  
Section 1.7 for instructions on calibrating the thermostat.  
In fryers equipped with other types of controls, the problem may be with the temperature probe, the  
interface board, or the controller. Refer to the troubleshooting tables in this chapter.  
1.9.4 Computer-Related Problems  
Computer Magic III.5 Features  
Sensitivity or "Stretch Time"  
Sensitivity or stretch time is a programmable feature that increases the cook time countdown based  
on variations in the oil temperature from the setpoint.  
The sensitivity for each product button has 10 settings (0 through 9). A "0" sensitivity setting will  
disable the feature (no change in cooking time), while a nine will provide the highest sensitivity or  
most change. The correct sensitivity for any product is based on the product, its density, the setpoint  
temperature, and the customer’s own requirements.  
1-24  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.9.4 Computer-Related Problems (cont.)  
Recovery Time  
Recovery time is a method of measuring a fryer’s performance. Put simply, it is the time required for  
the fryer to increase the oil temperature from 250°F to 300°F (121°C to 149°C). This range is used  
as a standard since ambient kitchen temperatures can affect the test if lower ranges are used.  
The Computer Magic III.5 performs the recovery test each day as the fryer warms up. An operator  
can view the results of the test any time the fryer is above the 325°F (163°C) point by pressing the  
button and entering the code 1652. The test results will be displayed in the computer’s LED  
panel in minutes and seconds. An acceptable recovery time for the MJCF Series fryers is 3 minutes,  
30 seconds.  
Common Computer Complaints  
Most problems concerning computers have to do with programming them. There are four common  
complaints. The complaints, their causes, and corrective actions are:  
1. Fryer constantly displays "  
".  
Cause: Setpoint incorrect or missing.  
Corrective Action: Press  
1 6 5 0, enter the correct setpoint using keypad, press  
again, then  
press  
to lock in the setpoint.  
2. Temperature is displayed in Celsius.  
Cause: Computer is programmed to display in Celsius.  
Corrective Action: Press  
1 6 5 8.  
3. Temperature is constantly displayed.  
Cause: Computer is programmed for constant temperature display.  
Corrective Action: Press  
1 6 5 L.  
4. Computer times down too slowly or too quickly.  
Cause: Computer is compensating for oil temperature via the sensitivity setting.  
Corrective Action: Reprogram sensitivity setting for each product in accordance with  
programming instructions in the Frymaster Fryer Controllers User’s Manual that shipped with  
the computer.  
1-25  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.9.5 Filtration Problems  
The majority of filtration problems arise from operator error. One of the most common errors is  
placing the filter paper on the bottom of the filter pan rather than over the filter screen.  
Whenever the complaint is "the pump is running, but no oil is being filtered", check the installation  
of the filter paper, and the paper size. While you are checking the filter paper, verify that the O-rings  
on the bottom of the filter pan, and on the male disconnect (at inside rear of filter cabinet) are present  
and in good condition. Missing or worn O-rings will allow the pump to suck air and decrease its  
efficiency.  
If the pump motor overheats, its thermal overload will trip and the motor will not start until it is  
reset. If the pump motor does not start, press the red reset switch located on the end of the motor  
nearest the operator. If the pump then starts, something caused the motor to overheat. It may be just  
that several frypots were being filtered one after the other and the pump got hot. Letting the pump  
cool down for at least a half-hour is all that is required in this case. More often, the pump  
overheated for one of the following reasons:  
Shortening has solidified in the pan or filter lines.  
Attempt to filter unheated oil or shortening. Cold oil and shortening are thicker and cause the  
pump motor to work harder and overheat.  
If the motor tries to run but the pump does not, there is a blockage in the pump. Incorrectly sized or  
installed paper will allow food particles and sediment to pass through the filter pan and into the  
pump. When sediment enters the pump, the gears can bind up causing the motor to overload, again  
tripping the thermal overload. Solidified shortening in the pump will also cause it to seize, with the  
same result.  
A pump seized by debris or hard shortening can  
usually be freed by manually moving the gears  
Sediment  
Particle  
with a screwdriver or other instrument.  
Oil Flow  
1. Disconnect power to the filter system.  
2. Remove the input plumbing from the  
pump.  
3. Use a screwdriver to manually turn the  
Sediment  
Particle  
Up for reverse  
gears.  
Turning the pump gears backwards  
will release a hard particle and allow  
its removal.  
Down for  
forward  
Turning the pump gears forward will  
push softer objects and solid shortening  
through the pump and allow free  
movement of the gears.  
1-26  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.9.5 Filtration Problems (cont.)  
Incorrectly sized or installed paper will also allow food particles and sediment to pass through and  
clog the suction tube on the bottom of the filter carriage. Particles large enough to block the suction  
tube may indicate that the crumb tray is not installed in the pan during filtering.  
Pan blockage can also occur if shortening is left in the pan and allowed to solidify. The heater strip  
on the suction tube is designed to prevent solidification of residual shortening left in the tube. It will  
not melt or prevent solidification of shortening in the pan.  
Blockage removal can be accomplished by forcing the item out with an auger or drain snake.  
Compressed air or other pressurized gases should not be used to force out the blockage.  
Possible problems with the Power Shower include clogged openings, shortening solidified in the  
tubes, missing clean-out plugs, and missing or worn O-rings. Cleaning the unit and replacing  
missing plugs and missing or worn O-rings will correct these problems.  
The electronics of the Filter Magic II are simple and straightforward. Microswitches, attached to the  
oil-return valve handles of each vat and wired in parallel, provide the 24 VAC needed to activate the  
pump relay coil when the handles are moved to the ON position. The activated coil pulls in the  
pump motor switch, supplying power to the motor.  
The suction tube heater and flexible hose heater are wired directly into the 24VAC source. They  
remain energized as long as the unit is plugged in (see diagram below).  
Line VAC  
Return Line Heater Tapes  
24 VAC  
Suction Tube (Pan) Heater Tape  
Micro-switches  
Pump Relay Coil  
Pump Motor  
M
Pump Motor Switch  
Filter Magic Simplified Wiring Diagram  
1-27  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.9.6 Leakage  
Leakage of the frypot is mostly due to improperly sealed high-limits, thermostats/temperature  
probes, and drain fittings. When installed or replaced, each of these components must be sealed with  
Loctite PST567 sealant or equivalent to prevent leakage. In very rare cases, a leak may develop  
along one of the welded edges of the frypot. When this occurs, the frypot must be replaced.  
If the sides and/or ends of the frypot are coated with oil, the most likely cause is spillage over the top  
of the frypot rather than leakage.  
The clamps, which hold the drain tube sections together, may loosen over time as the tubes expand  
and contract with heating and cooling during use. If the section of drain tube connected to the drain  
valve is removed for whatever reason, make sure that its grommet is in good condition and properly  
fitted around the nipple of the drain when it is reinstalled. Also, ensure that the drain tube runs  
downward from the drain along its whole length and has no low points where oil may accumulate.  
1.9.7 Troubleshooting, Millivolt Frying Systems  
How the Millivolt Circuit Works  
The voltage output of a thermopile powers the coil of a millivolt gas valve. This output is measured  
in millivolts or thousandths of one volt.  
The high-limit thermostat acts as a safety switch. It will de-energize the gas valve when the oil in the  
fryer’s frypot climbs to 425°F to 450°F.  
An operating thermostat controls the main coil actuation and acts as the burner control.  
Gas Valve  
Main Valve Magnet  
Operating Thermostat  
Pilot Magnet  
Thermopile  
High-Limit  
Pilot  
1-28  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
High-limit  
Thermostat  
Pilot  
Generator  
12C  
High-Limit  
Operating  
Thermostat  
Thermostat  
A d j  
P i l o t  
.
Safety Drain  
Switch  
S 2 I 1 /  
P
H O N E Y W E L L  
Pilot  
Generator  
17C  
P I L O T  
C
In Line Splice  
HONEYWELL  
1/2 PSI  
ON/OFF Switch  
(Optional)  
17C  
In Line Splice  
FENWALL  
Operating  
Thermostat  
Optional ON-OFF switch  
When troubleshooting millivolt systems, always check these areas before performing diagnostic  
checks on either the Robertshaw or Honeywell systems:  
A. Inspect all wires and component leads for damage (heat, oil, moisture, etc.). On capillary  
tube-type thermostats, check for resistance on the thermostat lead wires. Wire nuts and other  
connectors cannot be present in a millivolt circuit as they can cause resistance. If resistance  
is found, solder the connectors to the wires or replace the wires.  
B. Clean and verify that all wire connections and gas valve terminal connections are tight.  
C. Check the length of the pilot flame (it should be about 1½-inches (38mm) long) and verify  
that it contacts the top one third of the thermopile. Clean the pilot orifice and adjust the pilot  
strength if needed.  
D. Measure thermopile output with no load (i.e., with the thermopile disconnected from the gas  
valve). Measurements must be made with a multimeter having a 0-1000 DC millivolt (MV)  
range. Light the pilot and have someone hold the gas cock knob in the depressed position. If  
the thermopile is a single lead (coaxial) type, measure from the lead’s end contact to its  
screw-in threads. If the thermopile has two leads, measure across the end terminals. The  
reading should be within the range of 500-800 millivolts. If not, replace the thermopile.  
Performing diagnostic checks on Robertshaw and Honeywell Systems are described on the following  
page.  
1-29  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
ROBERTSHAW-UNITROL 7000 SYSTEM CHECK  
1. Complete System Check  
With thermostat contacts closed and gas cock  
dial in the “ON” position, the main burner  
should ignite. Measure the reading between  
the 2 & 3 terminals. If the reading is more  
than 100MV, replace the gas valve.  
TH  
TP  
TH  
1
3
THTP  
TH  
2. System Resistance Check  
2
With thermostat contacts closed and main  
burner “ON”, measure the millivolt reading  
between the 1 and 3 terminals. The reading  
should be less than 80MV. If not, recheck the  
thermostat leads and connections. Replace  
with new or heavier gauge wires if necessary.  
If the reading is still greater than 80MV,  
replace the thermostat.  
TP  
TP  
Millivolt Operator  
Terminal Panel  
(Robertshaw)  
3. Automatic Pilot Dropout Check  
With the thermostat contacts open, hold the  
gas cock knob depressed with the pilot lit until  
the maximum millivolt output is observed  
Meter  
Setting  
MV  
MV  
MV  
Meter Leads  
On Terminals  
Acceptable  
Results  
<100MV  
<80MV  
Test  
between the 1 and 2 terminals.  
Then  
1
2
3
2
1
1
&
&
&
3
3
2
extinguish the pilot and observe the meter.  
The sound of the pilot magnet dropping should  
30-120MV  
be audible.  
This dropout should occur  
between 120MV and 30MV. If it occurs  
outside these limits, change the gas valve.  
HONEYWELL SYSTEM CHECK  
1. Complete System Check  
With thermostat contacts closed and gas cock  
dial in the “ON” position, main burner should  
ignite. If not, measure across terminals 2 and  
3 as indicated in the diagram. If the reading is  
more than 180MV, replace the gas valve.  
4
1
TH  
TH  
PP  
2. System Resistance Check  
With thermostat contacts closed and main  
burner “ON”, measure the millivolt reading  
between terminals 1 and 3 as indicated in the  
diagram. The reading should be 220MV or  
less. If not, recheck thermostat leads and  
connections. Replace with new or heavier  
gauge wires if necessary. If the reading is still  
greater than 220MV, replace the thermostat.  
3
2
PP  
Millivolt Operator  
Terminal Panel  
(Honeywell)  
3. Automatic Pilot Dropout Check  
With the thermostat contacts open, hold the  
gas cock knob depressed with the pilot lit until  
the maximum millivolt output is observed  
between terminals 1 and 2. Then extinguish  
the pilot and observe the meter. The sound of  
the pilot magnet dropping should be audible.  
This dropout should occur between 110MV  
and 36MV. If it occurs outside these limits,  
change the gas valve.  
Meter  
Setting  
MV  
MV  
MV  
Meter Leads On Acceptable  
Test  
Terminals  
Results  
<180MV  
<220MV  
36-110MV  
1
2
3
2
1
1
&
&
&
3
3
2
1-30  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.10 Troubleshooting Guides  
The troubleshooting guides found in the pages that follow are intended to assist service technicians  
in quickly isolating the probable causes of equipment malfunctions by following a logical, step-by-  
step process.  
1.10.1 Initial Troubleshooting, Millivolt Frying Systems  
PROBLEM  
PROBABLE CAUSES  
A. Pilot is not lit.  
B. Loose, dirty, or corroded terminals on B. Clean and tighten terminals on gas  
CORRECTIVE ACTION  
A. Light pilot.  
gas valve. valve.  
C. Loose, dirty, or corroded terminals on C. Clean and tighten terminals on  
thermostat.  
thermostat.  
D. Thermostat, gas valve, or high-limit  
wires broken or shorted.  
D. Examine wires for signs of abrasions,  
cuts, kinks, etc. If the wiring is  
damaged, replace the affected  
component.  
Burner won’t ignite.  
E. Thermostat out of calibration.  
E. Check calibration of thermostat in  
accordance with procedures in  
Section 1.7 of this manual.  
F. Thermostat or gas valve is suspect.  
F. Inspect and replace components if  
necessary.  
A. One or more burner orifices clogged. A. Turn gas valve knob to OFF position.  
Use a thin wire to clear obstruction  
from burner orifices.  
B. Blocked flue outlet.  
B. Clear blockage from flue outlet.  
C. Fryer flue connected directly to vent C. Remove duct and allow for at least 18"  
Burner partially ignites.  
hood with a chimney-like duct.  
(45.7cm) between flue outlet and vent  
hood filters.  
D. Broken or missing ceramic targets, or D. Replace broken/missing ceramic  
incorrect burner gas pressure.  
targets if required. If not required,  
check burner gas pressure and adjust  
to correct pressure if required.  
1-31  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.10.1 Initial Troubleshooting, Millivolt Frying Systems (cont.)  
PROBLEM  
PROBABLE CAUSES  
CORRECTIVE ACTION  
A. Inadequate make-up air in cooking  
area.  
A. Adjust ventilation system to increase  
make-up air.  
B. Pilot flame directed away from first  
orifice of burner.  
B. Reposition pilot hood to direct flame  
toward first burner orifice.  
C. One or more burner orifices is  
clogged.  
C. Use a thin wire to clear obstruction  
from orifices.  
Burner ignition is  
delayed.  
D. Low pilot flame [less than 1” (25mm)], D. Adjust pilot flame height to 1–1-½"  
low incoming gas pressure, or  
inadequate incoming gas supply line.  
(25– 38.1mm), if required. If pilot  
flame is adequate, check incoming  
gas pressure and adjust to proper  
pressure, if required. If proper  
pressure cannot be achieved, check  
incoming-gas supply line and increase  
to proper size if required.  
A. Clogged pilot orifice.  
A. Use a small wire to clear obstruction  
from pilot orifice.  
B. Pilot flame blowing away from pilot  
generator (excessive draft in kitchen).  
B. Eliminate draft in kitchen.  
C. Pilot generator not inserted fully into C. Reinsert pilot generator into pilot  
pilot burner.  
burner until flame surrounds tip.  
D. Corroded connection where pilot  
generator connects to gas valve.  
D. Clean pilot generator connection at  
gas valve.  
Pilot won’t remain lit.  
E. Low pilot flame, pilot generator, high- E. Adjust pilot flame as instructed in  
limit thermostat contacts, or gas valve  
pilot magnet is suspect.  
Burner ignition is delayed”, if  
required. If pilot flame is adequate,  
inspect and replace pilot generator, if  
required. Inspect and clean high-limit  
contacts, if required. Replace gas  
valve if pilot magnet is defective.  
A. Flue obstructed.  
A. Remove obstruction from flue.  
Flames rolling out of  
fryer.  
B. Inadequate make-up air in cooking  
area.  
B. Adjust ventilation system to increase  
make-up air.  
A. Loose, dirty or corroded high-limit  
wires.  
A. Clean/tighten high-limit wires on gas  
valve.  
Pilot ignites, but fails to  
remain lit after gas  
valve knob/button is  
released.  
B. Gas valve, pilot generator or high-limit B. Inspect and replace any or all  
thermostat is suspect.  
defective components, if required.  
A. Thermostat out of calibration.  
A. Check calibration of thermostat in  
accordance with procedures in  
Section 4.2 of this manual.  
Setpoint temperature  
cannot be attained.  
B. Failed thermostat.  
B. Replace defective thermostat as  
outlined in Section 1.8.2.  
1-32  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.10.2 Initial Troubleshooting, 24VAC Frying Systems  
PROBLEM  
PROBABLE CAUSES  
CORRECTIVE ACTION  
Burner won’t ignite. A. ON/OFF switch is off.  
Light in ON/OFF switch  
A. Turn ON/OFF switch on.  
is not illuminated.  
ON/OFF switch is on, A. No 24 VAC output from transformer. A. Check 24VAC circuit. Replace  
but the switch light is  
not illuminated.  
transformer if defective.  
A. Drain microswitch circuit (filter-  
equipped units) is open.  
A. Ensure drain valve is fully closed and  
microswitch is functioning. Replace  
microswitch if defective.  
B. 24VAC is present at ON/OFF switch, B. On/Off switch is defective. Replace  
but continuity of the switch in ON  
position is not "0".  
switch with a known working switch.  
ON/OFF switch is on  
and the switch light is  
illuminated, but there is  
no output to gas valve.  
C. Continuity of thermostat is not "0"  
(cooking oil/shortening temperature is  
at least 15°F below thermostat  
setting).  
C. Thermostat is defective. Replace with  
a known working thermostat.  
D. Gas valve is suspect.  
D. Go to "No burner flame".  
A. Pilot does not stay lit (fryer is on and A. Check high-limit switch. Switch  
thermopile output is approximately  
400 millivolts.  
continuity should be "0". If not, high-  
limit switch is defective. Replace high-  
limit switch.  
B. Pilot does not stay lit (fryer is on and B. Inspect thermopile (units without  
thermopile output is not  
approximately 400 millivolts.  
interface board) and replace if  
defective.  
C. Pilot stays lit, and the high-limit and  
thermopile are known working, but  
burners fail to light.  
C. Inspect gas valve and replace if  
defective.  
D. Gas valve is known to be good, but  
there is not 24 VAC at the gas valve  
terminals.  
D. Inspect thermostat body (while still in  
frypot) for damage. Remove and  
replace thermostat if bent, dented or  
cracked. Inspect leads for fraying,  
burning, breaks and/or kinks. If found,  
remove and replace thermostat.  
No burner flame.  
Remove leads from terminal block,  
allow oil to cool 15°F below thermostat  
setting and check continuity. If  
continuity is not "0", then thermostat  
has failed. Replace thermostat.  
E. Continuity from terminal block to gas E. Inspect wiring for breaks or shorts and  
valve thermostat wire is not "0".  
repair if necessary.  
1-33  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.10.2 Initial Troubleshooting, 24VAC Frying Systems (cont.)  
PROBLEM  
PROBABLE CAUSE  
CORRECTIVE ACTION  
A. Incoming gas supply pressures are  
not within range [Natural- 6-14" W.C.  
(1.49-3.49 kPa); Propane- 11-14"  
W.C. (2.74-3.49 kPa)]  
A. Inspect gas supply to fryer. Repair  
and/or replace faulty components  
(defective supply shut-off valves,  
incorrect piping size, etc.)  
Fluctuating or erratic  
lighting of burner  
flame.  
B. Allow unit to cycle on and off for  
approximately 30 minutes to force air  
from gas manifold and lines.  
B. Air in gas supply lines (new  
installation).  
C. Missing or poor target alignment.  
C. Replace missing target(s) and/or  
ensure correct target alignment.  
Thermostat will not A. Thermostat is out of calibration.  
adjust to correct  
temperature.  
A. Calibrate thermostat. Replace  
thermostat if calibration is not  
possible.  
1.11 Probe Resistance Chart  
Probe Resistance Chart  
For use with CF Series fryers manufactured with Minco Thermistor probes only.  
F
60  
65  
70  
75  
80  
85  
90  
OHMS  
1059  
1070  
1080  
1091  
1101  
1112  
1122  
1133  
1143  
1154  
1164  
1174  
1185  
1195  
C
F
OHMS  
1204  
1216  
1226  
1237  
1247  
1258  
1268  
1278  
1289  
1299  
1309  
1320  
1330  
1340  
C
F
OHMS  
1350  
1361  
1371  
1381  
1391  
1402  
1412  
1422  
1432  
1442  
1453  
1463  
1473  
1483  
C
F
OHMS  
1493  
1503  
1514  
1524  
1534  
1544  
1554  
1564  
1574  
1584  
1594  
1604  
1614  
1624  
C
F
OHMS  
1634  
1644  
1654  
1664  
1674  
1684  
1694  
1704  
1714  
1724  
1734  
1744  
1754  
1764  
C
16  
18  
21  
24  
27  
29  
32  
35  
38  
41  
43  
46  
49  
52  
130  
135  
140  
145  
150  
155  
160  
165  
170  
175  
180  
185  
190  
195  
54  
57  
60  
63  
66  
68  
71  
74  
77  
79  
82  
85  
88  
91  
200  
205  
210  
215  
220  
225  
230  
235  
240  
245  
250  
255  
260  
265  
93  
96  
99  
270  
275  
280  
285  
290  
295  
300  
305  
310  
315  
320  
325  
330  
335  
132  
135  
138  
141  
143  
146  
149  
152  
154  
157  
160  
163  
166  
168  
340  
345  
350  
355  
360  
365  
370  
375  
380  
385  
390  
395  
400  
405  
171  
174  
177  
179  
182  
185  
188  
191  
193  
196  
199  
202  
204  
207  
102  
104  
107  
110  
113  
116  
118  
121  
124  
127  
129  
95  
100  
105  
110  
115  
120  
125  
1-34  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.12 Wiring Diagrams  
1.12.1 MJCF Millivolt Wiring Diagram, Non-CE  
HIGH-LIMIT  
THERMOSTAT  
12C  
A D J  
P I L O T  
.
SAFTY DRAIN  
SWITCH  
(OPTIONAL)  
. I  
2 1 / P . S .  
H O N E Y W E L L  
17C  
PILOT  
GENERATOR  
P I L O T  
C
IN-LINE  
SPLICE  
ON/OFF  
SWITCH  
1/2 P.S.I.  
HONEYWELL  
(OPTIONAL)  
17C  
IN-LINE  
SPLICE  
FENWALL  
OPERATING  
THERMOSTAT  
8050438C  
1-35  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.12.2 MJCF Millivolt Wiring Diagram, CE  
HIGH-LIMIT  
THERMOSTAT  
PILOT GENERATOR  
(THERMOCOUPLE)  
MAIN VALVE/COIL  
GENERATOR  
(THERMOPILE)  
FENWALL  
OPERATING  
THERMOSTAT  
8050531A  
1-36  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.12.3 MJCFE 24V Wiring Diagram  
V E V A L  
C A V 2 4  
I
S
2 P L L E 1 W / Y E N H O  
O F F  
ON  
1-37  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.12.4 MJCFEC 24V Wiring Diagram  
Y E R F R X T N O E T H  
R E L T F I T H O  
R
Y E R F X T N O E N T  
R E L T F I T N O  
1-38  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.12.5  
FAST-Ready Constant Pilot  
1-39  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 1: SERVICE PROCEDURES  
1.12.6 Filter Magic II Wiring Diagram  
REPEAT SAME CIRCUIT ON NEXT FRYER IF NEEDED  
SEE INSET A-A  
FOR 50-2  
33C  
35C  
FILTER PUMP MOTOR  
ON/OFFSWITCH  
1 ST. FRYER - RIGHT OF FILTER  
1C  
TO FRYER POWER SUPPLY  
FOR (DIRECT) UNITS  
12C  
100V 120V  
200V 208V  
220V 230V  
OR 240V  
14C  
33C  
22C  
35C  
31C  
C
NO  
24V  
M
87C  
88C  
36C  
C
NO  
INSET A-A  
43C  
24C  
23C  
33C  
32C  
35C  
2
4
C
NO  
PUMP  
RELAY  
87C  
88C  
21C  
1
3
31C  
C
NO  
22C  
7C  
INSET B-B  
28C  
27C  
1
2
3
4
5
9
6
7
8
10  
11  
12  
PUMP  
HEATER  
23C  
32C  
1 ST. FRYER - LEFT OF FILTER  
33C  
35C  
FILTER PUMP MOTOR  
ON/OFFSWITCH  
REPEAT SAME CIRCUIT ON NEXT FRYER IF NEEDED  
SEE INSET B-B  
FOR 50-2  
1-40  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.1 Accessories  
1
2
3
4
5
6
7
8
9
10  
2-1  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.1 Accessories (cont.)  
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
PART #  
PART #  
1
Gas Line, Dormont, With Quick-Disconnect  
1" x 36" (2.54 cm x 91.4 cm)  
1" x 48" (2.54 cm x 121.9 cm)  
¾" x 36" (1.91 cm x 91.4 cm)  
¾" x 48" (1.91 cm x 121.9 cm)  
Quick Disconnect Fitting, Male  
1" (2.54 cm)  
806-1698SP  
806-1699  
806-1701  
806-1700  
2
3
810-0074  
810-0072  
¾" (1.91 cm)  
Quick Disconnect Fitting, Female  
1" (2.54 cm)  
810-0073  
810-0070  
803-0017  
803-0024  
803-0023  
910-2662  
¾" (1.91 cm)  
4
*
Basket, Full  
Basket, Twin  
*
Basket, Triplet  
5
*
910-4795  
910-4796  
Connecting Strip, Tall - for separate unit  
Connecting Strip, Short - for battery unit  
Cover, Frypot  
*
806-1343  
806-1086  
*
Lid Assembly, Simmer Fry  
Hanger, Basket- Wireform  
Thumbscrew, Basket Hanger  
Flue Deflector  
6
7
8
9
10  
*
810-2794  
809-0171  
910-3185  
803-0137  
803-0138  
803-0187  
812-1226SP  
803-0197  
803-0209  
823-3660  
Rack, Basket Support (Wireform w/o Handle)  
Rack, Basket Support (Screen with Handle)  
Sediment Screen (Tray)  
Drain Extension, Drain Valve  
Fryer’s Friend, Clean-out Rod  
Brush, Frypot & Filter  
*
*
*
*
Scoop, Crumb  
* Not illustrated.  
Use standard part.  
In Fall 2004 Frymaster introduced the Euro-Look fryer. This fryer has a rounded topcap instead of  
the traditional 90º angle topcap. Also round drains replaced square drains.  
2-2  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.2 Burner Manifold Components  
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
PART #  
PART #  
1
*
*
*
*
*
806-0225SP  
Deflector Assembly (Ceramic Target Assembly), Side  
Deflector Assembly (Ceramic Target Assembly), Back  
Bracket, Deflector- Side  
806-3605SP  
910-0226  
814-0034  
910-1465  
810-0424  
Target, Ceramic- Side  
Bracket, Deflector- Back  
Target, Ceramic- Back  
Burner Control Assembly, Natural (Metal Targets) (use 106-0010 for  
Single)  
Burner Control Assembly, Propane (Metal Targets) (use 106-0048  
for Single)  
*
*
806-1980SP  
806-1981SP  
Deflector, Side Metal Target  
1a  
1b  
2
230-1177  
230-1180  
826-1155  
807-1906  
810-1001  
823-0289  
NOTE: Metal targets  
can be co-mingled  
with ceramic targets.  
Deflector, Rear Metal Target  
Ignitor Kit, Optional Piezo  
Electrode Assembly  
Trigger  
3
4
Manifold, Burner  
Orifice (Altitudes 0-1999 Feet; For Alt 2000 Feet, Contact Factory)  
Natural Gas- 1.40 mm (Non-CE & CE; Qty: 10)  
Propane (LP) Gas- 0.90 mm (Non-CE Only)  
Propane (LP) Gas- 0.95 mm (CE Only)  
826-1386  
812-0910  
812-0906  
Manufactured Gas- 2.15 mm [Contact factory with gas specifications  
(I.E. CO2, CH4, N2, H2, etc.,) for correct orifice part #.]  
Manufactured Gas- 2.26 mm [Contact factory with gas specifications  
(I.E. CO2, CH4, N2, H2, etc.,) for correct orifice part #.]  
810-0407  
812-0916  
* Not illustrated.  
Use standard part.  
2-3  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.2 Burner Manifold Components (cont.)  
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
PART #  
PART #  
5
Pilot Assembly  
810-2071  
806-8688SP  
810-2070  
Natural Gas, w/Thermopile (use 810-0426 for pilot only)  
Natural Gas, w/Thermocouple (CE)  
Propane (LP), w/Thermopile (use 810-0427 for pilot only)  
Propane (LP) Gas, w/Thermocouple (CE)  
Manufactured Gas, w/Thermocouple (CE and non-CE)  
Dual Pilot, Natural Gas (CE)  
806-8689SP  
810-1831  
806-6825SP  
806-6827SP  
823-0330  
Dual Pilot, Propane (LP) Gas (CE)  
6
*
Shield, Burner- All MJCF Series  
930-3472  
Shield, Heat, Lower Right Front  
*
930-3471  
Shield, Heat, Lower Left Front  
7
810-1873  
Thermopile with Push-on Terminals (Used in Non-CE Pilot Assemblies)  
Thermocouple with Threaded Terminal- 29-½" (Used in CE Pilot  
Assemblies)  
Thermocouple with Threaded Terminal- 20" (Used in England/Germany  
Pilot Assemblies)  
8
*
812-1284  
807-0699  
9
*
810-0705  
810-2484  
810-1700  
810-0691  
Gas Line, Pilot Supply- ¼ x 23"  
Gas Line, Pilot Supply- ¼ x 10"  
*
Gas Line, Pilot Supply- ¼ x 8-¾" (Series J65X Only)  
Vent Tube, Gas Valve  
10  
11  
Valve, Gas- Non-CE Only  
807-3294  
807-3295  
807-1603  
807-1604  
24V Only- Natural & Manufactured Gas (Honeywell)  
24V Only- Propane/Butane Gas (Honeywell)  
Millivolt Only- Natural & Manufactured Gas (Honeywell)  
Millivolt Only- Propane Gas (Honeywell)  
Valve, Gas- CE Only  
12  
806-6840SP  
807-2127  
24V Only- Natural and Manufactured Gas (Honeywell)  
24V Only- Propane Gas (Honeywell)  
806-6805SP  
807-2121  
Millivolt Only- Natural Gas (Honeywell)  
Millivolt Only- Propane Gas (Honeywell)  
Capacitor (Used on Gas Valve Terminals w/Thermostat Cont. Only)  
Valve, Gas Supply Turn-off (Inside Fryer Cabinet)  
Miscellaneous Components – Older Production Units  
Regulator, Natural Gas (Robertshaw)  
Regulator, Propane Gas (Robertshaw)  
Valve, Gas- 120V Natural (Robertshaw)  
Valve, Gas- 120V Propane (Robertshaw)  
Use standard part.  
*
*
*
*
*
*
*
806-4781  
810-1307  
810-0187  
817-0098  
806-1452SP  
806-1986SP  
* Not illustrated.  
2-4  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.3 Cabinetry Components  
2.3.1 Fryer Cabinetry  
12  
9
8
6
5
11  
20  
2
10  
19  
13  
4
14  
7
17  
15  
1
16  
3
18  
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
PART #  
PART #  
1
*
201-0486SP  
201-6964  
Side, Left- FMCF Unitary Cabinet- CRS  
Side, Left- FMCF Unitary Cabinet- S/S  
Side, Right- FMCF Unitary Cabinet- CRS  
Side, Right- FMCF Unitary Cabinet- S/S  
Cover, Holes- FMCF Unitary Cabinet- CRS  
Cover, Holes- FMCF Unitary Cabinet- S/S  
211-0486SP  
202-0486SP  
212-0486SP  
900-0889  
201-8444  
202-6964  
212-8444  
2
*
*
*
910-0889  
* Not illustrated.  
Use standard part.  
2-5  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.3.1 Fryer Cabinetry (cont.)  
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
PART #  
PART #  
3
900-7367SP  
201-6916  
Side, Left & Right - MJCF CRS Cabinet (Euro Left Side Only)  
Side, Right MJCF CRS Cabinet Euro  
Side, Left & Right - MJCF S/S Cabinet (Euro Left Side Only)  
Side, Right - MJCF S/S Cabinet  
Brace, Cabinet- Lower Front  
202-6916  
211-8427  
212-8427  
200-6758  
*
910-7367SP  
4
5
900-4401  
900-4428SP  
900-1714  
900-5541  
900-9316  
910-9316SP  
816-0128  
816-0127  
900-4419  
823-2150  
824-0491  
824-0492  
824-0493  
824-0494  
810-1422  
824-0118SP  
824-0770SP  
930-6604  
806-4487SP  
810-1508  
Brace, Cabinet- Upper Front & Rear  
Spacer, Flue Cap  
6
930-0411  
200-6742  
200-6732  
210-6732  
7
Base, MJCF/FMCF/Spreader Cabinet- One-Piece  
Back, Cabinet- MJCF/FMCF, CRS  
Back, Cabinet- MJCF/FMCF, S/S  
Insulation, Cabinet- Upper Rear  
Insulation, Cabinet- Lower Rear  
Retainer, Insulation- Upper and Lower Back  
Fluecap, MJCF/FMCF  
8
*
9
10  
11  
12  
13  
*
823-4710  
824-1318  
824-1373  
824-1434  
824-1449  
210-6764  
Topcap, Single – MJCF/FMCF  
Topcap, Dual – MJCF/FMCF  
*
Topcap, Triple – MJCF/FMCF  
*
Topcap, Quad – MJCF/FMCF  
14  
15  
*
Handle, Door- Wireform  
Panel, Door- MJCF/FMCF, CRS  
Panel, Door- MJCF/FMCF, S/S  
Liner, Door- All MJCF/FMCF  
824-1326  
200-6762  
16  
17  
18  
*
Pin Assembly, Door- All MJCF/FMCF  
Hinge, Door- All MJCF/FMCF  
823-4713  
823-4715  
809-0449  
Hinge, Door Lower Euro-Look  
*
Hinge, Door Upper Euro-Look  
*
Screw, #10 x ½ Phip TR HD NP  
Magnet, Door- All MJCF/FMCF  
Brace, Frypot to Cabinet- MJCF/FMCF  
Door Assembly, CF Euro-Look  
Cabinet Assembly MJCF Single Euro-Look CRS  
Cabinet Assembly MJCF Single Euro-Look S/S  
T-Nut, Fluecap (round hole)  
19  
20  
*
810-1105  
900-1390  
106-3931  
106-4035  
106-4029  
*
*
*
809-0535  
809-0015  
*
Cagenut, Fluecap (square hole)  
Use standard part.  
* Not illustrated.  
2-6  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.3.2 Filter Magic II & Spreader Cabinet Cabinetry  
12  
15  
16  
14  
13  
11  
2
3
4
5
6
10  
9
7
8
1
2-7  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.3.2 Filter Magic & Spreader Cabinet Cabinetry (cont.)  
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
PART #  
PART #  
1
*
201-0486SP  
201-6964  
Side, Left- Filter Magic/Spreader Cabinet- CRS  
Side, Left- Filter Magic/Spreader Cabinet- S/S  
Side, Right- Filter Magic/Spreader Cabinet- CRS  
Side, Right- Filter Magic/Spreader Cabinet- S/S  
Support, Drain Pan (Side Stiffener)  
211-0486SP  
202-0486SP  
212-0486SP  
900-7277  
211-8444  
202-6964  
212-8444  
2
*
3
4
5
6
900-4428SP  
900-4401  
Brace, Upper Front & Rear, Filter Magic/Spreader Cabinet  
Brace, Middle- Front, Filter Magic/Spreader Cabinet  
Brace, Lower- Front, Filter Magic Cabinet  
200-6758  
900-2877SP  
Rail Assembly, Filter Magic (See Item #7, Section 2.3.1 for Spreader  
Base Assembly)  
7
106-0414SP  
8
9
810-0007  
910-1832  
Leg, Adjustable- 1-¼" Square Tubing  
Retainer, Leg  
10  
11  
910-2620  
Leg, Front- Filter Magic Cabinet  
900-9330SP  
200-8522  
210-8522  
824-1366  
823-4802  
Back, Cabinet- Filter Magic/Spreader Cabinet CRS  
Back, Cabinet- Filter Magic/Spreader Cabinet S/S  
Fluecap, Filter Magic/Spreader Cabinet, without Foodwarmer  
Fluecap, Filter Magic/Spreader Cabinet, with Foodwarmer  
Box, Storage- Power Shower  
12  
*
824-0253  
823-1453  
823-0313  
826-0993SP  
806-1343  
910-7704  
910-7705  
13  
14  
15  
16  
*
Handle, Storage Box and Frypot Cover  
Cover- Frypot, Filter Magic/Spreader Cabinet  
Cover, With Hole- Filter Magic/Spreader Cabinet- S/S  
Cover, With Hole- Filter Magic/Spreader Cabinet- M/S  
Café Pan Kit  
*
806-6989  
106-4109  
106-4110  
*
Cabinet Assembly, Filter Magic Filter Ready Euro-Look CRS  
Cabinet Assembly, Filter Magic Filter Ready Euro-Look S/S  
Use standard part.  
*
* Not illustrated.  
2-8  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.4 Casters, Legs and Associated Hardware  
1
3
2
4
5
6
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
PART #  
PART #  
1
2
3
*
810-0356  
Caster, Swivel, 5", w/o Brake  
810-0357  
810-0378  
Caster, Swivel, 5", w/Brake  
Caster, Rigid, 5", w/o Brake  
810-0750  
Caster, Rigid, 5", w/o Brake  
*
810-1551  
806-5043  
810-1205  
806-3811  
826-1095  
826-0900  
826-1113  
826-1043  
Caster, 6 to 6.5-inch Adjustable, w/Brake  
Leg, 6" Nickel Plated (Not Used on Filter Magic Filter Cabinet)  
Leg, 6" S/S (Not Used on Filter Magic Filter Cabinet)  
Leg Assembly, Set of 4, 6"- Nickel Plated  
Anchor Strap Kit (For Use on Single Fryers w/Legs)  
Chain Restraint Kit (For Use on Fryers w/Casters)  
Kit, Mounting Hardware, 1 Caster/Leg  
Kit, Mounting Hardware, 4 Casters/Legs  
Kit, Mounting Hardware, 1 Caster/Leg  
Kit, Mounting Hardware, 4 Casters/ Legs  
Use standard part.  
4
*
*
5
6
*
*
*
826-1716  
826-1717  
*
* Not illustrated.  
2-9  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.5 Component Shield, Filter Box Assemblies and Components  
2.5.1 Component Shield Assemblies – No Interface Board  
Timer and Bracket  
Assembly is omitted on  
806-4774SP and  
806-4776SP  
10  
1
2
5
6
7
9
8
3
4
Component Shield Assemblies without Interface Boards  
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
PART #  
PART #  
Component Shield Assemblies- Complete  
120V, 50/60 Hz, w/o Interface Board  
240V, 50/60 Hz, w/o Interface Board  
806-4774SP  
806-4776SP  
806-4772SP  
806-4777SP  
807-0066  
120V, 50/60 Hz, w/o Interface Board, w/Melt Cycle Timer  
240V, 50/60 Hz, w/o Interface Board, w/Melt Cycle Timer  
Block, Terminal, 20-Pin  
1
2
3
4
807-2469  
Bushing, Heyco, 1” ID  
807-0156  
Plug, 9-Pin  
900-4340  
Shield, Component  
* Not illustrated.  
Use standard part.  
2-10  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.5.1 Component Shield Assemblies – No Interface Board (cont.)  
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
PART #  
PART #  
Kit, Melt Cycle Timer (Replaces for Melt Cycle Timer Motor) [Items 5, 6  
& 7]  
826-1546  
806-9622  
5
6
7
8
900-8741  
806-9613  
809-0580  
Bracket, Melt Cycle Timer  
PC Board Assembly, Melt Cycle Timer (50 and 60 Hz)  
Standoff, PC Board  
Transformer, 24V  
807-0800  
807-0680  
826-1374  
809-0097  
807-0670  
826-1358  
120V 50/60 Hz  
240V 50/60 Hz  
9
10  
*
Screw, #10 x ½" Hex Washer Head (Qty: 25)  
Screw, 6-32 x 1" Slotted Head  
Relay, Lockout Older Units  
Nut, 6-32 Hex (Qty: 25)  
*
* Not illustrated.  
Use standard part.  
2.5.2 Component Shield Assemblies – With Interface Board  
2
1
4
9
7
10  
1
2
3
4
5
6
7
8
9
10  
11  
12  
8
3
6
5
GV  
AL  
24V COMP  
24V  
COMP AC  
COM  
HOT  
AC  
COM  
HOT  
AC  
SD  
Component Shield Assemblies with Interface Boards  
2-11  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.5.2 Component Shield Assemblies – With Interface Board (cont.)  
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
Complete Shield Assemblies  
PART #  
PART #  
806-4773SP  
806-4775SP  
120V, 50/60 Hz, With Interface Board  
240V, 50/60 Hz, With Interface Board  
Shield Components  
1
2
3
4
5
6
7
8
9
807-0066  
807-2469  
810-2243  
807-0160  
806-3548  
900-4340  
809-0349  
824-0161  
Block, Terminal, 20-Pin  
Bushing, Heyco, 1” ID  
Clip, Relay Retaining  
Connector, 12-Pin  
Interface Board, Universal Replacement  
Shield, Component  
Spacer, 4 x 6 mm, Interface Board Standoff  
Support, Interface Board  
Transformer, 12V  
807-0855  
807-0979  
120V 50/60 Hz 20VA  
240V 50/60 Hz 20 VA  
10  
Transformer, 24V  
807-0800  
807-0680  
120V 50/60 Hz 50 VA  
240V 50/60 Hz 43 VA  
* Not illustrated.  
Use standard part.  
2.5.3 Filter Box Assemblies  
1
1
2
2
3
7
3
5
8
6
4
CE FILTER COMPONENT BOXES  
NON-CE FILTER COMPONENT BOXES  
2-12  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.5.3 Filter Box Assemblies (cont.)  
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
PART #  
PART #  
1
*
823-1584  
Box, Control- FMCF Filter  
823-1585  
807-0124  
807-0012  
807-2434  
806-4358  
807-0276  
810-1168  
810-1164  
807-0800  
807-0680  
807-1999  
Box, Control- Under-Counter CF-Filter  
Bushing, Heyco (Control Box Back)  
Relay, 18 Amp- 1/3 HP 24V Coil (4-terminal)  
Relay, 18 Amp- 1/3 HP 24V Coil (5-terminal)  
Resistor, Pan Heater Light  
*
2
*
3
4
5
6
7
*
Terminal Block, 12-Pin  
Terminal Block (CE)  
Terminal Block (CE)  
Transformer, 24V – 120V 50/60 Hz 50 VA  
Transformer, 24V – 240V 50/60 Hz 43 VA  
Transformer, 24V – 240V 50/60 Hz 50 VA (CE Only)  
Use standard part.  
8
* Not illustrated.  
2.6 Control Panel Assemblies and Related Components  
2
5
6
4
1
3
7
8
17  
9
15  
20  
14  
10  
11  
12  
13  
16  
18  
19  
21  
25  
24  
23  
22  
2-13  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.6 Control Panel Assemblies and Related Components (cont.)  
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
Frame Assembly, Control Panel  
PART #  
806-4992SP  
809-0448  
806-0183  
806-9617  
809-0157  
810-1000  
809-0050  
826-1361  
810-0624  
900-2071  
900-2241  
810-0334  
910-7287  
910-7280  
810-0585  
802-1473  
910-1551  
810-1287  
910-7288  
806-0831SP  
802-1470  
826-1395  
826-1338  
910-7281  
802-0765  
807-3498  
807-0496  
807-3575  
807-3498  
826-1792  
807-1525  
823-1800  
PART #  
106-4055  
1
*
Clip, Tinnerman (Control Panel Screw)  
Thermostat, Operating (Non-CE)  
Thermostat, Operating (CE Only)  
Screw, Set- 8-32 x 3/8"  
2
106-0771  
806-9708  
*
3
4
810-2954  
Shaft, Flex- Thermostat Control  
5
Nut, Hex  
6
Screw, Stop (Qty: 25)  
7
810-2862  
200-8536  
Adapter, Shaft End  
*
Bracket, Shaft Guide- Thermostat Shaft  
Bracket, Thermostat  
*
8
Knob, Thermostat  
9
210-8702  
210-8699  
Panel, Control- MJCF With Timers- Millivolt Only  
Panel, Control- MJCFE With Timers  
Timer, 15-Minute Mechanical  
*
10  
11  
*
Label, Dial- 15-Minute Mechanical Timer  
Bezel, 15-Minute Mechanical Timer  
Knob, 15-Minute Timer  
12  
13  
*
210-8698  
210-8701  
Panel, Control- MJCF, Millivolt Only (Older units use 910-7282)  
Switch, Toggle- MJCF, Millivolt Only (Older Production Units)  
Label, Dial Plate- Thermostat Knob  
Button, Plug- Thermostat Knob Shaft (Qty: 10)  
Bushing, Heyco- Shaft Button Plug (Qty: 25)  
Panel, Control- MJCFE, With Timers  
Label, On/Off, Light, Melt Cycle Option- MJCFE  
Switch, Rocker, Melt Cycle I/O, w/24V Lamp, Amber  
Switch, Rocker Momentary on/off switch  
Hole Plug, Switch (MJCFE Without Melt Cycle Option)  
Switch, On/Off (Power)  
14  
15  
*
16  
17  
18  
*
*
19  
*
Switch Kit, On/Off (Power)/Melt-Cycle (To Replace Old Switches)  
Light, 24V (White Lens)  
20  
21  
*
210-6777  
210-6766  
Panel, Control- MJCFEC (For Computers)  
Panel, Control Euro-Look Single Non-Computer  
Panel, Filter- FMCF Filter Magic II Cabinet  
Light, Ready Indicator- 2V  
22  
23  
24  
*
910-7289  
807-1275  
106-1177  
106-1202  
106-6572  
106-4168  
106-4169  
Computer, CMIII.5- MJCFEC (Non-CE)  
Computer, CMIII.5- MJCFEC (CE)  
Controller, Digital - MJCFE  
*
* Not illustrated.  
Use standard part.  
2-14  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.6 Control Panel Assemblies and Related Components (cont.)  
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
PART #  
PART #  
*
25  
*
806-2071  
Harness, Computer (Computer To Interface Board)  
Panel, Control w/ Timers CF Euro-Look  
Controller Assembly, Basket Lift w/ Timers  
Sound Device, High Output  
210-8702  
106-3373  
806-3660  
806-4797  
910-7315  
*
*
Buzzer Assembly  
*
Panel, Spreader Control CF Blank Panel Euro-Look  
* Not illustrated.  
Use standard part.  
2.7 Filtration System Components  
2.7.1.1 Filter Magic II Drain Manifold Components  
1
3
4
2
9
12  
13  
8
10  
7
6
5
11  
19  
18  
14  
15  
21  
To Drain  
Valve  
16  
20  
17  
Clamp Detail  
2-15  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.7.1.1 Filter Magic Drain Manifold Components (cont.)  
STANDARD  
PART # **  
ITEM  
COMPONENT  
Cover, Drain End, Square Drain- FMCF  
1
2
3
*
900-0757  
816-0032  
823-0717  
Gasket, Flange, Square Drain- FMCF  
Tube, Square Drain- 2-½ x 15.38"- FMCF  
826-0715SP Drain Tube Kit (Gaskets, Clamps, Connecting Hardware, Clean-Out Cover)  
823-0719 Elbow, Square Drain- FMCF  
4
*
826-0716SP Sq Drain Elbow Kit (Elbow, Gaskets, Clamps, Connecting Hardware)  
806-4068SP Elbow, Swivel, Complete Assembly (Items 5-9)- FMCF  
5
823-1091  
816-0083  
809-0115  
823-1092  
810-0388  
823-0714  
816-0021  
826-1348  
826-1382  
823-0718  
810-0396  
826-0877  
826-1376  
826-1369  
809-0347  
826-1345  
816-0092  
813-0284  
Tube Assembly  
6
O-Ring, Swivel Collar  
7
Screw, Retainer- 10-32 x ¼" Slotted Head  
Collar, Swivel Drain  
8
9
Knob, Clamping- Swivel Drain Collar  
Tube, Square Drain- 2-½ x 5.22"- FMCF Spreader Cabinet Option  
Gasket, Drain Cleanout – FMCF  
Cover, Drain Cleanout – FMCF (Qty: 5)  
Nut, Wing- 8-32 (Qty: 10)  
10  
11  
12  
13  
14  
15  
*
Tube, Square Drain- 2-½ x 8" – FMCF  
Clamp, Square Drain Flange – FMCF  
Clamp Kit – FMCF  
16  
17  
18  
19  
20  
21  
Nut, Keps- 10-32 (Drain Flange Clamp – Qty: 10)  
Screw, 10-32 x ½" Hex Head (Qty: 10)  
Nut, Drain Retainer (Conduit Nut)  
Washer Retainer, Drain Retainer Nut (Qty: 25)  
Grommet, Drain Retainer- 1"  
Nipple, Straight With Taper- 1 x ¾" NPT BM  
* Not illustrated. ** See page 2-17 for a Euro-Look parts list.  
2-16  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.7.1.2 Euro-Look Drain Manifold Components  
See page 2-27  
for Euro-Look  
Drain Valve  
Assemblies.  
1
7
6
5
2
9
3
8
4
EURO-LOOK  
PART # **  
ITEM  
COMPONENT  
1
2
3
4
5
6
7
8
9
*
823-4764  
823-4763  
823-5031  
823-5030  
823-4765  
816-0625  
809-0969  
200-6974  
200-6973  
KIT6033  
Drain Tube, Left End Open /Right End Closed, Short  
Drain Tube, Left and Right Ends Open, Short  
Drain Tube, Left End Open /Right End Closed, Long  
Drain Tube, Left and Right Ends Open, Long  
Drain W/A, Elbow CF  
Sleeve  
Clamp  
Tube, Drain SPR CF Short  
Tube, Drain SPR CF Long  
Kit, Round Drain Clamp (2 or Item 7 and 1 of Item 6)  
Screw Covers  
*
816-0630  
* Not illustrated. ** See page 2-16 for a standard parts list.  
2-17  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.7.2 Filter Magic II Filter Pan Components – Outer Pan Components  
CONTACTOR BLOCK  
1
ASSEMBLY  
18  
7
19  
2
20  
21  
22  
10  
3
16  
23  
17  
12  
6
10  
5
13  
14  
4
7
9
8
7
11  
8
15  
STANDARD  
PART #  
EURO-LOOK  
PART #  
ITEM  
COMPONENT  
FMCF Complete Filter Pan Assembly – Inner & Outer Pan  
Assembly (Crumb Screen Not Included – Order Separately,  
Page 2-18)  
*
806-6095SP  
806-4470SP  
806-4373  
810-0006  
810-0005  
809-0189  
826-1362  
823-1421  
823-1452SP  
910-1350  
826-1371  
809-0053  
809-0184  
826-1337  
FMCF Filter Pan- Outer Pan Assembly, Complete  
Heater, Pan- 24V 25W FMCF  
Caster, Swivel- 2" (Front Only)  
Caster, Rigid- 2" (Rear Only)  
Washer, Flat- ¼"  
*
1
2
*
*
Nut, ¼-20 Hex (Qty: 10)  
3
4
5
6
7
8
9
Base, Outer Filter Pan  
Pan, Filter- Outer Pan (Pan Only)  
Clamp, Suction Tube  
Screw, #8 x ½" Hex Head (Qty: 25)  
Nut, 10-32 Hex (Also Used With Contactor Block Assembly)  
Washer, Lock- #10  
Tab, Terminal (Qty: 5)  
Washer, Flat- #10 SAE (Also Used With Contactor Block  
Assembly)  
Insulator, Flat Washer  
Use standard part.  
10  
11  
809-0185  
807-1367  
* Not illustrated.  
2-18  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.7.2 Filter Magic II Filter Pan Components – Outer Pan Components (cont.)  
STANDARD  
PART #  
EURO-LOOK  
PART #  
ITEM  
COMPONENT  
12  
13  
14  
15  
824-0292  
809-0020  
807-1270  
810-0695  
806-4694SP  
826-1389  
826-1372  
809-0291  
816-0126  
810-0694  
810-0696  
810-0693  
900-1521  
Cover, Suction Tube  
Nut, Cap- 10-24 NP  
Insulator, Nylon Shoulder  
Pin, Contact- Suction Tube Cover  
Contactor Block Assembly  
Bolt, ¼-20 x ¾" Hex Head (Qty: 10)  
Nut, Grip- ¼-20 Hex (Qty: 10)  
Bolt, ¼-20 x 1-½" Hex Head  
Insulation, Contactor Block Terminals  
Block, Contactor  
16  
17  
18  
19  
20  
21  
22  
23  
Spring, Contactor Contacts  
Contact Pin, Contactor Block  
Bracket, Contactor Block  
* Not illustrated.  
Use standard part.  
2.7.3 Filter Magic Filter Pan Components – Inner Pan Components  
7
5
6
8
2
4
3
1
2-19  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.7.3 Filter Magic Filter Pan Components – Inner Pan Components (cont.)  
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
PART #  
PART #  
FMCF Complete Filter Pan Assembly – Inner & Outer Pan  
Assembly (Crumb Screen Not Included – Order Item #8 Below)  
*
806-6095SP  
1
*
823-1745SP  
806-4866SP  
816-0117  
809-0045  
910-1366  
810-0180  
823-2010  
810-1409  
803-0171  
803-0002  
824-0417  
Pan, Inner- FMCF  
Pan Assembly, Inner- FMCF (Crumb Screen Not Included)  
O-ring, Inner Pan Connection  
2
3
4
5
6
7
*
Nut, Cap- 10-32  
Handle, Filter Pan, Back (Nearest End With Hole In Pan Bottom)  
Handle, Filter Pan, Front (Nearest Door On Filter Cabinet)  
Screen, Filter Paper Support  
Ring, Hold-Down- FMCF  
Paper, Filter (100 Sheets) 33-¼ x 21"  
Powder, Filter (100 1-Cup Applications)  
Screen Assembly, Crumb- FMCF  
Use standard part.  
*
8
* Not illustrated.  
2-20  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.7.4 Oil Return Handle Components – Units Built Prior To April 2001  
10  
6
12  
11  
15  
7
11  
1
10  
12  
10  
16  
8
12  
3
2
13  
11  
13  
14  
3
5
14  
9
4
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
PART #  
PART #  
1
2
807-2103  
Microswitch  
930-0839  
810-1999  
900-1853  
814-0047  
900-0239  
920-0220  
809-0200  
826-1381  
810-0220  
809-0142  
809-0056  
809-0104  
809-0247  
826-1359  
826-1366  
Bracket, Microswitch  
Bracket, Valve Handle  
Handle, Oil Return  
Sleeve, Handle  
3
4
5
6
Arm, Oil Return Valve  
Linkage, Oil Return Valve  
Washer, Flat ½”  
7
8
9
Washer, ½ I.D. x 7/8 O.D.- Nylatron (Qty: 10)  
Spacer, Tubular, .493 O.D.  
10  
11  
12  
13  
14  
15  
16  
Screw, 5/16-24 x ¾” Hex Head  
Nut, 5/1624, Hex Head, Nylon Lock  
Screw, 4-32 x ½” Slotted Head  
Nut, Keps Hex, 8-32  
Screw, 4-40 x ¾” Slotted Head (Qty: 25)  
Nut, Keps Hex, 4-40 (Qty: 25)  
Use standard part.  
2-21  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.7.5 Oil Return Handle Components –Units Built April 2001 and After  
6
19  
18  
3
7
13  
15  
1
8
12  
14  
16  
17  
10 9  
11  
2
4
5
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
PART #  
PART #  
1
2
807-2103  
Microswitch  
Bracket, Microswitch  
200-0821  
810-1999  
200-0938  
814-0047  
900-0239  
200-1059  
809-0200  
826-1381  
810-0220  
809-0142  
809-0056  
809-0104  
809-0247  
826-1359  
826-1366  
810-1165  
809-0601  
810-0285  
3
Bracket, Valve Handle  
Handle, Oil Return  
Sleeve, Handle  
4
5
6
Actuator Arm, Oil Return Valve  
Rod, Oil Return Linkage  
7
8
Washer, Flat ½”  
9
Washer, ½ I.D. x 7/8 O.D.- Nylatron (Qty: 10)  
Spacer, Tubular- 0.493 O.D.  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
Bolt, 5/16-24 x ¾” Hex Head  
Nut, 5/16-24, Hex Head, Nylon Lock  
Screw, 4-32 x ½” Slotted Head  
Nut, Keps Hex- 8-32  
Screw, 4-40 x ¾” Slotted Head (Qty: 25)  
Nut, Keps Hex, 4-40 (Qty: 25)  
Washer, Teflon- 0.372 I.D. x 0.753 O.D.  
Clip, Clevis- Oil-Return Linkage Rod  
Swivel Control, Oil-Return Linkage Rod  
Use standard part.  
2-22  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.7.6 Oil Return Plumbing  
1
2
3
4
6
5
FLEX LINE TO NEXT POT  
(WHERE APPLICABLE)  
7
8
10  
OIL RETURN PLUMBING  
FILTER MAGIC II (TYPICAL)  
9
STANDARD  
EURO-LOOK  
PART #  
ITEM  
COMPONENT  
PART #  
1
*
810-0278  
Valve, Oil-Return- ½"  
900-2935  
Retainer, Oil-Return Valve Nut  
Flexline, Oil-Return – Measure Flexline to Determine Length  
Needed  
2
*
*
810-1043  
810-1055  
810-1057  
Flexline, Oil-Return- 9-½"  
Flexline, Oil-Return- 11-½"  
Flexline, Oil-Return- 13"  
Flexline, Oil-Return- 14” with Male Ends  
Flexline, Oil-Return- 17-½"  
Flexline, Oil-Return- 21-½"  
Nipple, ½ x 1-½" NPT BM  
Tee, ½" NPT BM  
*
*
806-9438SP  
*
810-1369  
810-1068  
813-0087  
813-0003  
813-0362  
810-1669  
810-1668  
813-0062  
813-0265  
813-0156  
*
3
4
5
6
7
8
9
10  
Nipple, ½ x 7-½" NPT BM  
Adapter, Female- 5/8 O.D. x ½" NPT  
Adapter, Male- 5/8 O.D. x ½" NPT  
Elbow, 90° ½" NPT BM  
Nipple, ½ x 2-½" NPT BM  
Plug, ½" NPT BM  
* Not illustrated.  
Use standard part.  
2-23  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.7.7 Filter Pump and Motor Components  
16  
15  
6
13  
18  
14  
12  
11  
17  
10  
9
6
8
7
4
2
1
3
5
STANDARD  
PART #  
EURO-LOOK  
PART #  
ITEM  
COMPONENT  
1
*
900-7026  
810-0665  
900-1472  
816-0102  
826-1392  
823-1356  
Base, Motor- Adjustable  
Nut, Leveling- Adjustable Motor Base  
Diverter, Oil (To Protect Contactor Block)  
Grommet, Oil Diverter  
2
3
4
5
O-ring, Filter Pan Connection (Qty: 5)  
Disconnect, Filter Pan Connection (Male)  
* Not illustrated.  
Use standard part.  
2-24  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.7.7 Filter Pump and Motor Components (cont.)  
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
PART #  
PART#  
6
7
813-0062  
Elbow, ½" 90° NPT BM  
813-0022  
813-0165  
809-0514  
809-0194  
826-1264  
816-0093  
826-1712  
826-1270  
826-1755  
813-0093  
813-0352  
813-0003  
807-0141  
811-0199  
807-1408  
807-2348  
807-2050  
811-0746  
811-0861  
Nipple, ½" x Close NPT BM  
8
Elbow, Street- ½" 90° NPT BM  
9
Bolt, 5/16-18 x 4-½" Grade 5 Hex Head  
Washer, 5/16" SAE Flat  
10  
11  
12  
13  
*
Pump, Filter-4 GPM (Includes Items #9, #10 & #12)  
Gasket, Pump to Motor  
Motor, Filter- 115VAC 60HZ (Includes Item #12)  
Motor, Filter- 230VAC 50/60HZ (Includes Item #12)  
Motor, Filter- 250VAC 50/60HZ (Includes Item #12)  
Nipple, ½ x 4" NPT BM  
*
14  
15  
16  
17  
18  
*
Nipple, ½ x 21-½" NPT BM  
Tee, ½" NPT BM  
Connector, 90° Clamp-Type  
Conduit, 3/8" Flexible (Order By Foot- 2.4 Feet Required)  
Heater, Oil-Return Plumbing- 120V 50W, 70" Length  
Heater, Oil-Return Plumbing- 240V 100W, 70" Length  
Heater, Oil-Return Plumbing- 250V 90W, 70” Length  
Tape, Foil- 1 Roll (Required For Heater Strip Installation)  
Insulation, Foam (Order Per Foot)  
*
*
*
*
* Not illustrated.  
Use standard part.  
2-25  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.7.8.1 Drain Valves and Related Components  
7
3
6
2
8
5
4
9
10  
1
11  
12  
STANDARD  
PART # **  
ITEM  
COMPONENT  
1
*
806-4145  
810-1017  
810-1427  
809-0540  
810-1020  
810-0820  
809-0540  
900-2936  
816-0211  
826-1366  
901-2348  
807-2103  
816-0220  
806-8137  
Valve, Drain- 1-¼" (Includes Handle With Lock Pin) For non-filter fryers  
Valve, Drain- 1-¼" (Without Handle)  
Handle, Drain Valve, With Lock Pin  
Nut, Drain Valve (MJ & FMCF)  
Valve, Drain- 1-¼ x 1" (FMCF Units)  
Handle, Drain Valve  
2
3
4
5
6
Nut, Drain Valve (MJ & FMCF)  
Retainer, Drain Valve Nut  
*
7
Sleeve, Drain Valve Handle  
8
Nut, 4-40 Keps With External Teeth (Qty: 25)  
Cover, Microswitch  
9
10  
11  
12  
Microswitch (CE & Non-CE)  
Insulation, Microswitch  
Bracket, Microswitch  
* Not illustrated.  
** See page 2-27 for a Euro-Look parts list.  
2-26  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.7.8.2 Euro-Look Drain Valves and Related Components-Round Drains  
EURO-LOOK  
PART # **  
ITEM  
COMPONENT  
Valve, Drain Assembly Full Vat  
106-3760  
1
2
200-6496  
824-1602  
806-8137  
807-2103  
809-0237  
809-0540  
810-1018  
816-0639  
816-0135  
816-0220  
901-2348  
900-2936  
810-1165  
Support, Drain 3” Tube  
Handle, Drain Valve FV  
3
Bracket, Switch, Drain, Assembly  
Switch, CE Micro Straight Lever  
Nut, 4-40 KEPS Hex w/ Ext Tooth  
Nut, 2-Way Lock ½”-13 ZN PL  
Valve, 1-1/4” FPD – TCF w/out Handle  
Sleeve, Handle Valve Red w/ Logo  
O-Ring, Round Drain  
4
5
6
7
8
9
10  
11  
12  
13  
Insulation, RF Switch  
Cover, DV Safety Switch  
Retainer, Nut Drain Valve  
Washer, Teflon Drain Valve  
** See page 2-26 for a Standard parts list.  
2-27  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.7.9 Power Shower Components  
3
4
2
1
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
PART #  
PART #  
806-4529SP  
Power Shower Assembly, Full Vat, Complete  
Screw, Cleanout  
1
2
3
4
809-0415  
814-0001  
826-1390  
826-1344  
Grip, Handle  
Seal (Gasket) (Qty: 5)  
O-Ring (Qty: 5)  
* Not illustrated.  
Use standard part.  
2-28  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.8 Frypot, High-Limit and Probe Components  
1
15  
10  
9
8
7
5
13  
6
4
11  
12  
2
3
14  
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
Frypot, Bare- FMCF & MJCF  
PART #  
PART #  
1
*
823-3893SP  
106-2553SP  
Frypot, Complete (Include Combustion Chamber & Insulation)  
Frypot, Bare- MJCF (CE and Non-CE)  
Frypot, Complete MJCF (CE)  
823-3881  
106-2550  
106-2539  
823-3892  
106-2551  
*
*
Frypot, Complete MJCF (Non-CE)  
Frypot, Bare- FMCF  
*
*
Frypot, Complete FMCF  
826-0861  
Insulation Kit, Complete Fryer/Frypot  
Use standard part.  
* Not illustrated.  
2-29  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.8 Frypot, High-Limit and Probe Components (cont.)  
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
Plug, Frypot – ¼" NPT BM  
PART #  
PART #  
*
*
813-0408  
813-0156  
813-0684  
900-1090  
823-5302  
810-0647  
809-0409  
930-6401  
900-6412  
823-0290  
806-0833  
806-0489  
Plug, Frypot – ½" NPT BM  
*
Plug, Frypot – 3/8" NPT BM  
2
Cover, Pilot  
Cover/Door, Pilot for Piezo Ignitor  
Holder, Pilot Cover Screw  
3
4
Screw, #10 x ½" Round-Head, One-Way  
Chamber, Front Combustion (Order Insulation Kit Separately)  
Chamber, Side Combustion (Order Insulation Kit Separately)  
Channel, Frypot Rear (Order Insulation Kit Separately)  
Chamber, Rear Combustion (Includes Insulation)  
Flue, Front FMCF, MJCF with ¼ x12 x14½ Kaowool insulation  
Flue, Front MJCF CE  
5
806-0832  
806-6978  
6
7
8
9
*
10  
11  
12  
13  
930-6386  
806-4206  
210-0681  
806-7550  
Flue, Rear  
Probe, Assembly- Minco  
Guard, Probe  
Thermostat Assembly, High-Limit/ECO Connector (CE Only)  
ECO Connector Only [Requires soldering to high-limit wires and  
the installation of wire nuts (14 AWG)]  
*
812-1256SP  
14  
15  
826-1177  
812-0211  
806-9708  
Thermostat Assembly, High-Limit- 425°F  
Kaowool Blanket ½ x 7½ x 17½  
Use standard part.  
* Not illustrated.  
2-30  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
CHAPTER 2: PARTS LIST  
2.9 Wiring Connectors, Pin Terminals and Power Cords  
1
2
3
5
4
6
7
8
9
10  
13  
12  
11  
ITEM  
PART #  
COMPONENT  
Power Cords  
*
*
*
807-0154  
100/120V–15A w/grounded plug  
100/208/240V–15A, w/o plug  
100/208/240V–18A, w/o plug  
806-6229SP  
807-1685  
Connectors  
1
2
807-1068  
807-0158  
807-0156  
807-0159  
807-0875  
807-1067  
807-0157  
807-0155  
807-0160  
807-0804  
826-1341  
826-1342  
807-2518  
2-Pin Female  
6-Pin Female  
3
9-Pin Female  
5
12-Pin Female  
5
15-Pin Female  
6
2-Pin Male  
7
6-Pin Male  
8
9-Pin Male  
9
12-Pin Male  
10  
11  
12  
13  
15-Pin Male  
Terminal, Female Split Pin (Qty: 25)  
Terminal, Male Split Pin (Qty: 25)  
Plug, Mate-N-Lock (Dummy Pin)  
* Not illustrated.  
2-31  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
APPENDIX  
A.1 KJ3FC & J3F Variants – Wiring Diagrams  
A.1.1 Computer Wiring Diagram – KJ3FC Fast-Ready  
A-1  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
APPENDIX  
A.1.2 J3F Wiring Diagram – (Fast /Fast Computer Modified; For Reference Only)  
BROWN  
YELLOW  
YELLOW  
VIOLET  
VIOLET  
YELLOW  
. I . S .  
P
2
L L E 1 W / Y E N O H  
ORANGE  
BLUE  
A-2  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
APPENDIX  
A.1.3 KFC-1 Computer Wiring Diagram – 120V  
A-3  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
APPENDIX  
A.1.4 KFC-1 Computer Wiring Diagram – 220V  
A-4  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
APPENDIX  
A.1.5 KSCF Wiring Diagram w/ Float (CE)  
A-5  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
APPENDIX  
A.1.6 KFC-1 Harness Diagram  
A-6  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
APPENDIX  
A.1.7 Transformer/Filter Box Wiring for FAST Computer  
A-7  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
APPENDIX  
A.2 Parts List – KJ3FC Variant  
Parts specific to KJ3FC variants are listed here. All other parts can be found in Chapter 2.  
16  
15  
13  
14  
10  
9
17  
2
1
11  
7
6
8
12  
5
4
3
18  
22  
23  
19  
20  
21  
34  
35  
24  
39  
33  
36  
27  
29  
32  
28  
25  
30  
38  
37  
31  
26  
A-8  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
APPENDIX  
A.2 KJ3FC Variant – Parts List (cont.)  
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
PART #  
PART #  
1
2
3
4
5
*
900-4340  
Shield, Component  
900-1739  
900-1635  
807-0276  
807-0800  
807-0680  
807-0855  
Brace, Component Shield  
Bracket, Component Shield  
Block, Terminal – 12-Pin  
Transformer- 120V/24V 50/60 Hz 50VA  
Transformer- 208/240V/24V 50/60 Hz 43VA  
Transformer- 120V/12V 50/60 Hz 20VA (KFC-1 Computers Only)  
6
Transformer- 208/240V/12V 50/60 Hz 20VA (KFC-1 Computers  
Only)  
*
807-0979  
7
8
807-0067  
824-0161  
806-5517  
806-3548  
809-0096  
809-0349  
809-0250  
806-1076SP  
809-0476  
900-1749  
813-0389  
807-3520  
910-7284  
823-1856  
806-5162  
806-5300  
826-1507  
807-2196  
807-1547  
807-1502  
806-5045SP  
807-1524  
806-6353SP  
810-2006  
200-0487  
200-0512  
812-1462  
Block, Terminal – 8-Pin  
Support, Interface Board  
9
Board, Interface – Fast-Ready Computers Only  
Board, Interface – KFC-1 Computers Only  
Screw, 6-32 x 5/8" Slotted  
*
10  
11  
12  
13  
14  
15  
16  
17  
18  
*
Spacer, 4 x 6 mm Aluminum  
Nut, Keps – 6-32  
806-5320  
Switch Assembly, Pressure (Includes Items #14, 15 & 16)  
Nut, Jam – ½-20 (Two Required)  
Plate, Adapter – Pressure Switch  
Tee, Hex- ¾" (7/16 x 1/8 x 7/16)  
Speaker, Computer Sound – 4-Watt  
Panel, Control – Fast-Ready Computer  
Panel, Control – KFC-1 Computer  
Frame, Control Panel – KFC-1 Computer  
Computer, KFC-1 – Gas  
210-9552  
106-4082  
106-4995  
*
*
*
Kit, Computer Conversion (Fast to KFC-1)  
Switch, On/Off – Lighted Green  
19  
20  
21  
22  
23  
807-3498  
Light, Indicator (Trouble) Red, 24V  
Light, Indicator (Heating) Amber, 24V  
Switch, Float Safety – Frypot Oil-Level  
Probe, Temperature – Fast-Ready Computer Only  
Valve, Drain Assembly KJ3FC with KFC-1  
Valve, Ball – 2" [Nut (Handle Retainer) Included]  
Bracket, Support – Drain Valve  
24  
*
25  
26  
Activator, Drain Valve Microswitch  
Handle, Drain Valve – Universal  
Use standard part.  
* Not Illustrated  
A-9  
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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS  
APPENDIX  
A.2 KJ3FC Variant – Parts List (cont.)  
STANDARD EURO-LOOK  
ITEM  
COMPONENT  
PART #  
PART #  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
806-9325  
Bracket, Support – Microswitch  
¼-20 x 3/8" Slotted Head  
Microswitch, Drain Valve  
Insulation, Microswitch  
809-0126  
807-2103  
816-0220  
200-0513  
826-1366  
813-0406  
813-0148  
813-0407  
813-0400  
813-0070  
813-0391  
813-0395  
Cover, Microswitch  
Nut, Keps – 4-40 External Teeth (Qty: 25)  
Coupling – 1-¼ x 2" NPSC  
Nipple, 1-¼ x 6-¼" NPT BM  
Bushing, Drain Valve - 1-¼ x 2" NPT Hex  
Nipple, 1-¼ x 2" NPT BM  
Elbow, 90° NPT BM  
Nipple, 1-¼ x Close NPT BM  
Union, 1-¼" NPT BM  
* Not Illustrated  
Use standard part.  
A-10  
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Frymaster, L.L.C., 8700 Line Avenue, PO Box 51000, Shreveport, Louisiana 71135-1000  
Shipping Address: 8700 Line Avenue, Shreveport, Louisiana 71106  
TEL 1-318-865-1711  
FAX (Parts) 1-318-688-2200  
FAX (Tech Support) 1-318-219-7135  
SERVICE HOTLINE  
1-800-551-8633  
819-5186  
APRIL 2005  
PRINTED IN THE UNITED STATES  
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