MF90-65, -80, -110, -126, -160 & -172
"U" & "AU" CONFIGURATIONS
Dean Industries, a member of the Commercial Food Equipment Service Association,
recommends using CFESA Certified Technicians.
Price: $6.00
24-Hour Service Hotline 1-800-551-8633
819-5808
10-00
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Please read all sections of this manual and retain for future reference.
Installation, maintenance, and repairs should be performed by your Dean
Factory Authorized Service Center.
CAUTION
DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN
THE VICINITY OF THIS OR ANY OTHER COOKING APPLIANCE.
WARNING
IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION, SERVICE, OR
MAINTENANCE CAN CAUSE PROPERTY DAMAGE, INJURY OR DEATH. READ THE
INSTALLATION, OPERATING AND MAINTENANCE INSTRUCTIONS THROUGHLY
BEFORE INSTALLING OR SERVICING THIS EQUIPMENT.
WARNING
SAFE AND SATISFACTORY OPERATION OF YOUR EQUIPMENT DEPENDS ON ITS
PROPER INSTALLATION. INSTALLATION MUST CONFORM TO LOCAL CODES, OR IN
THE ABSENCE OF LOCAL CODES, WITH THE LATEST EDITION OF THE NATIONAL
ELECTRIC CODE, N.F.P.A. 70.
i
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MF90 Series Portable Filters
TABLE OF CONTENTS
Page #
1-1
1.
2.
3.
4.
5.
6.
7.
INTRODUCTION
IMPORTANT INFORMATION
INSTALLATION INSTRUCTIONS
FILTER OPERATION
2-1
3-1
4-1
CLEANING AND MAINTENANCE
TROUBLESHOOTING
5-1
6-1
PARTS LIST
7-1
ii
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DEAN PORTABLE MICRO-FLO OIL FILTRATION SYSTEMS
CHAPTER 1: INTRODUCTION
1.1 Ordering Parts
Customers may order parts directly from their local Factory Authorized Service Center (FASC). See
the numbers listed in section 1.2 for information of your nearest FASC.
To speed up your order, the following information is required:
Model Number
Serial Number
Optional Features
Type
With/Without
Heater
Item Part Number
Quantity Needed
1.2 Service Information
Call the 1-800-551-8633 or (318) 865-1711 Service Hotline number for the location of your nearest
Factory Authorized Service Center. Always give the model and serial numbers of your filter unit.
Also, identify if your unit is supplied with or without a heater.
To assist you more efficiently, the following information will be needed:
Model Number
Serial Number
With/Without
Heater
Type
Optional Features
Nature of Problem:
Additional information (i.e. oil temperature at filter time, time of day and other pertinent
information) may be helpful in solving your service problem. Communicate with your service
technician.
1-1
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1.3 After Purchase
In order to improve service, have the following chart filled in by the Dean Authorized Service
Technician who installed this equipment.
Authorized Service
Technician/FASC
Address
Telephone/Fax
Model Number
Serial Number
1.4 Safety Information
Before attempting to operate your unit, read the instructions in this manual thoroughly.
Throughout this manual, you will find notations enclosed in double-bordered boxes similar to the
ones below.
CAUTION boxes contain information about actions or conditions that may cause or result in a
malfunction of your system.
CAUTION
Example of a CAUTION box.
WARNING boxes contain information about actions or conditions that may cause or result in
damage to your system, and which may cause your system to malfunction.
WARNING
Example of a WARNING box.
DANGER boxes contain information about actions or conditions that may cause or result in injury
to personnel, and which may cause damage to your system and/or cause your system to malfunction.
DANGER
Example of a DANGER box.
1-2
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DEAN PORTABLE MICRO-FLO OIL FILTRATION SYSTEMS
CHAPTER 2: IMPORTANT INFORMATION
2.1 General
The MF-90 portable oil filters may be used with a variety of Dean fryers, as well as other
manufacturers’ equipment. Oil capacity ranges from 65 to 172 pounds of oil, depending on the
model. Length, width, height and tank depth dimensions for all units are listed in the table below.
Model
Unit Height Tank Width
Tank Length Tank Height Oil Capacity
(inches)
26.87
24.12
24
(inches)
(inches)
(inches)
(pounds)
MF-90/65
MF-90/80
14
29.5
14
65
18.25
18
24.75
34.75
24.75
37
11.25
9.63
13.25
11.5
15
80
MF-90/80 LP
MF-90/110
MF-90/160
MF-90/172
105
26.37
25.25
31
18.25
18.25
18
110
160
29
172
Unit Height
Tank Height
Tank Width
Tank Length
MF90 Series filter unit dimensions (unit and tank heights are measured from bottom
of casters to top of unit and tank, respectively).
2-1
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2.1 General (cont.)
The used oil may be drained by gravity from the fryer into the filter pan, or removed from the fryer
by use of a suction/return hose, according to model. The oil is pumped back into the fryer vessel
using the same suction/return hose.
Oil or shortening is filtered through replaceable filter paper. Filter powder, which enhances the
filtering process, is distributed over the paper prior to filtering.
All units are shipped completely assembled with accessories packed inside the frypots. All units are
adjusted, tested and inspected at the factory before shipment.
CAUTION
The on-site supervisor is responsible for ensuring that operators are made aware of
the inherent dangers of operating a hot oil filter system, particularly the aspects of
oil filtration, and draining/cleaning procedures.
A 7-amp (115V-domestic), or 5-amp (230V-international) circuit breaker installed on the filter unit
switches the power OFF if an overload occurs.
NOTE: If the circuit breaker is triggered, depress the reset button to activate the circuit after the
failure has been detected and repaired.
2.2 Rating Plate
Information on the rating plate includes model and serial numbers, as well as electrical requirements.
Have the rating plate information handy when communicating with the factory about a unit or
requesting special parts or information. Without this information, proper identification of the unit
cannot be confirmed.
2.3 Pre-Installation
NOTE: Failure to use qualified service personnel will void the Dean warranty.
A. Standards: Use of this filter unit must be in accordance with all applicable state and local
codes.
B. Electrical Connections: Domestic MF90 filter units require a 115V 60 Hz., 15 amp electrical
supply. Units are equipped with a grounded male receptacle for use with a flexible six-foot,
16-3 SJT power cord set. If an extension cord is required, it must be a three-conductor,
grounded power cord of at least 16 gauge.
2-2
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2.4 Unpacking the Filter System
Ensure the container is upright. Unpack the filter carefully and remove all accessories from the
carton. Do not discard or misplace parts and/or accessories; they will be needed. Any
accessories or starter kits included with the unit will be packaged inside the filter tank strapped
to the shipping frame.
After unpacking, immediately check the equipment for visible signs of shipping damage. If
such damage has occurred, contact the carrier and file the appropriate freight claims. Do not
contact the factory, as the responsibility of shipping damage is between the carrier and dealer
or end-user.
If your equipment arrives damaged:
a. File claim for damages immediately – Regardless of extent of damage.
b. Visible loss or damage – Be sure this is noted on the freight bill or express receipt and is
signed by the person making the delivery.
c. Concealed loss or damage – If damage is unnoticed until equipment is unpacked, notify
freight company or carrier immediately, and file a concealed damage claim. This should be
done within 15 days of date of delivery. Retain the shipping container for inspection.
NOTE: Dean does not assume responsibility for damage or loss incurred in transit.
2-3
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DEAN PORTABLE MICRO-FLO OIL FILTRATION SYSTEMS
CHAPTER 3: INSTALLATION INSTRUCTIONS
3.1 Assembling The Filter System
On initial installation and before each use, remove all loose parts from the filter, wash the
filter pan and all accessories in hot, soapy water and dry thoroughly.
WARNING!
Water or boil-out solution MUST not be allowed to drain into the filter pan or
filter system. Irreversible damage will result if water is allowed into the
system, and the warranty will be voided.
The MF90 filtration system uses a filter support grid, two sheets of filter paper and a hold-
down ring to secure the filter paper in place.
3.1.1 Filter Paper Configuration
See
illustration
for
proper
assembly.
5
4
3
2
1
1. Filter Pan Cover
2. Hold-Down Ring
3. Filter Paper (2 sheets)
4. Screen/Support Grid
5. Filter Pan Assembly
A. First, place the support grid in the bottom of filter pan.
B. Put two filter paper sheets on top of the support grid. Be sure the paper covers the whole
filter pan bottom.
C. Position the hold-down ring on top of the filter papers and latch the hold-down ring and
filter papers securely against the filter pan bottom, forming a tight seal.
3-1
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