Vulcan-Hart GHF90G ML-135504, GHF91G ML-135503 service manual Thermostat

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THERMOSTAT

WARNING: SHUT OFF THE GAS BEFORE SERVICING.

1.Drain shortening from fry tank.

2.Remove left burner as outlined under Burners.

3.Remove thermostat knob by pulling knob off thermostat shaft.

4.Remove thermostat mounting screws and remove thermostat from mounting bracket.

5.Remove wire leads from the rear of the thermostat, noting all connections for reassembly.

6. Loosen the packing nut and holding nut.

7. Remove the thermostat bulb from the clamp.

8.Pull the thermostat bulb through the underside of the fry tank and remove the thermostat assembly.

9.Reverse the procedure to install. When installing the new thermostat assembly, do not kink the thermostat capillary. Wrap threads of packing nut with Teflon tape to prevent leakage.

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Contents GHF Series Heavy Duty Range Matching GAS Fryers & Frymates Table of Contents General SpecificationsIntroduction ToolsCovers and Panels Removal and Replacement of PartsBurners DoorThermostat Thermopile High LimitCombination Valve Pilot OrificeFRY Tank Millivolt Controls Test Service Procedures and AdjustmentsThermostat Calibration Calibration StepsBURNERS, Nozzles and Orifices Pilot AdjustmentBurners Nozzles and OrificesCombination Valve Regulator Adjustment Control System Description System Condition Quick Check ProceduresElectrical Operation Schematic Component Function Symptom Possible Cause TroubleshootingTroubleshooting Form 35618
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