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Service Manual
GAS FRYER with FILTER
MODEL MG14S-C/MFD
MANUFACTURED EXCLUSIVELY FOR
McDONALD'S
®
PITCO FRIALATOR, INC.
P.O.BOX 501 CONCORD, NH 03302-0501
Phone: 1(603)225-6684
Toll Free: 1(800)258-3708
Fax: (603)225-8497
Literature # L20-140 Rev 0
Rev Date 9 July 1996
Made in the United States of America
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Table of Contents
Troubleshooting
Related Manuals for Pitco MG14S-C/MFD
Summary of Contents for Pitco MG14S-C/MFD
- Page 1 Service Manual GAS FRYER with FILTER MODEL MG14S-C/MFD MANUFACTURED EXCLUSIVELY FOR McDONALD'S ® PITCO FRIALATOR, INC. P.O.BOX 501 CONCORD, NH 03302-0501 Phone: 1(603)225-6684 Toll Free: 1(800)258-3708 Fax: (603)225-8497 Literature # L20-140 Rev 0 Rev Date 9 July 1996 Made in the United States of America...
- Page 2 To prevent tipping of the machine and splashing of DO NOT use an open flame to check for gas leaks! HOT oil your Pitco Frialator fryer is equipped with Keep all open flames away from the machine at all a Gas Hose Quick Disconnect and restraining de- times.
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Page 3: Warranty Statement
B. If the computer is found to be defective dur- ing the first 2 years after the installation date, Pitco Frialator Inc. will also pay for the la- bor, freight and travel costs involved in re- placing said part. -
Page 4: Table Of Contents
Table of Contents WARRANTY STATEMENT INSTALLATION INSTRUCTIONS................1 Ventilation ....................... 1 A note on Excessive Air Velocities within Hood systems ........1 Quick Disconnect Gas Connection ................1 Fuel Supply Line Leak and Pressure Testing ............2 Clearances ....................... 2 Leveling the fryers .................... -
Page 5: Installation Instructions
INSTALLATION INSTRUCTIONS tional Fire Protection Association, Battery March Park, Quincy, MA 02269 CAUTION: This equipment is manufactured for the use on a NOTE: It is recommended that the ventilation sys- particular type of gas and electrical voltage which tem be cleaned and maintained in accordance with is specified on the rating plate located on the in- the procedures laid out in the appropriate Preventa- side of the door. -
Page 6: Fuel Supply Line Leak And Pressure Testing
include a quick disconnect device that complies with Regular cleaning of this equipment, as well as the the Standard for Quick Disconnect Devices for use hood, is an important part of proper maintenance. with Gas Fuel, ANSI Z21.41-1989. When installing Refer to Maintenance Requirement Cards for proper a quick disconnect you must also install a means of procedure and frequency. -
Page 7: Chapter 1: How Does It Work
Chapter 1: HOW DOES IT WORK? ergizes the Heat Demand Relay (K1) the Blower will be supplied with power and come up to speed. At The McDonald's Gas fryer will have certain reac- this time the air pressure from the blower will close tions to what is happening, knowing what these re- the Pressure Switch (S9) and allow 24 VAC to go to actions are and knowing what the machine is trying... - Page 8 Full Vat Fryers: Split Vat Fryers:...
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Page 9: Chapter 2: Component Troubleshooting
Chapter 2: COMPONENT lowed at a lower temperature. TROUBLESHOOTING: Relays: Probe: The Heat Demand and Hood relays are 24VDC re- The resistance of the probe will change as the tem- lays and will energize when the correct voltage is perature changes. The resistance will decrease as the supplied to the coil. -
Page 10: Transformer
Transformer: Transformers are multiple input voltage, 24 volt out- put voltage and can be checked by reading the input and output voltages. Blower: Check the voltage between the wires going to the Blower. If 120 VAC is found and the Blower is NOT turning it is defective. -
Page 11: Chapter 3: Troubleshooting Guide
Chapter 3: TROUBLESHOOTING GUIDE Fryers: It is assumed that, before starting any troubleshooting, the power is turned on and the gas lines are con- nected correctly. PROBLEM PROBABLE CAUSE CORRECTIVE ACTION Computer does not come on A. Main circuit breaker is turned off A. -
Page 12: Filters
Filters: PROBLEM PROBABLE CAUSE CORRECTIVE ACTION Red Return Valve is open but no A. Red Return Valve NOT fully open A. Pull slightly on the Red handle to check pump sound can be heard B. Filter Circuit Breaker may be tripped that it is fully open. -
Page 13: Chapter 4: Component Changeout
Chapter 4: COMPONENT CHANGEOUT: Computers: It is assumed that for all (except where noted) of CAUTION: these component changeout instructions the fryer has Take care not to drop any of the components from been shut down and disconnected from the power the front panel as this will damage them. -
Page 14: Components Mounted In The Front Panel
Components mounted in the front panel: To access all of the components mounted in the front panel follow the instructions below: 1. Remove the computer as described in the above instructions. The components within the front panel area can now be accessed. Filter Pumps: Hood &... -
Page 15: Circuit Breaker
2. Unscrew the pipe union, located behind the gas Circuit Breaker: valve. 3. Unplug the 3 wires that plug into the gas valve. 1. Remove the 2 mounting screws on either side of Install in the reverse order. the door magnet catch. Remove the door magnet Burners and Spark Ignitors: catch. -
Page 16: Proximity Switches
Proximity Switches: 3. Using a flat screwdriver, break the seal at the motor flange. 1. The actuator can be removed by removing the 2 4. The motor can now be lowered out of the ma- mounting screws. chine. NOTE: The new blower will be shipped with the blower housing attached. -
Page 17: Fry Vats
Fry Vats: Full Vats- 1. Remove ALL of the computer/controllers from the machine. 2. Remove the burners and ignitors from the vat to be removed. 3. Disconnect the drain valve switch wires. 4. Disconnect the return valve switch wires. 5. Disconnect the blower wires. 6. - Page 18 Split vats- Split vats should be removed and installed as pairs in the same manner as Full Vats. There are 3 sets of clamps that hold the two Split Vats together: 1. On the rear of the vat. 2. On the bottom of the vat accessed by first re- moving the blower.
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Page 19: Chapter 5: Parts
Chapter 5: Parts Operational Components: Part Schematic Description Number Nomenclature PP11163 Computer/Controller PP11144 A2/A3 Ignition Control Module PP11067 Blower PP11131 Ignitor/Flame Sensor PP11065 Probe PP11140 Gas Valve, NAT PP11141 Gas Valve, LP PP11064 Hi Limit PP11068 Relay, Heat Demand PP11068 Relay, Gas Valve PP11033 Relay, Hood System... -
Page 20: Wiring Harnesses
Part Number Description B2302301 Door, LH B2302302 Door, RH A3802901 Hinge, Top A3802903 Hinge, Bottom B3801301 Hinge Rod PP11006 Handle, Door P6071305 Magnet Catch PP10368 Drain Valve, Full Vat P6071769 Drain Valve, Split Vat A1401202 Clamp, Hi Limit Bulb PP11130 Burner, Main B4001601 Handle, Drain Valve, Full Vat... -
Page 21: Chapter 6: Parts Identification
Chapter 6: Parts Identification Computer/Controller Proximity switch, Sensor PP11163 PP10262 Ignition Control Module Proximity Switch, Actuator PP11144 PP10263 Blower Motor, Filter PP11067 PP10101 Ignitor/Flame sensor Quick Disconnect PP11131 P6071122 (Female) P6071123 (Male) Probe Relay, Filter PP11065 PP10058 Gas Valve Circuit Breaker PP11140 - Nat Gas PP10460 PP11141 - LP... -
Page 22: Chapter 7: Schematics
Chapter 7 : Schematics Schematic Description Drawing Number McDonalds Full Vat Domestic ................ 700250 McDonalds Split Vat Domestic ............... 700251... - Page 23 To obtain copies of any McDonalds Operating or Service Manuals please contact Pitco Frialator at the address below, please reference the literature number for the publication you require: L20-137 - McDonalds Electric Operating Manual L20-138 - McDonalds Gas Operating Manual...