90 SERIES AND VG SERIES
Service Manual
GAS RESTAURANT RANGES
DEFINITIONS
OPERATING, INSTALLING AND SERVICE PERSONNEL
QUALIFIED INSTALLATION PERSONNEL
QUALIFIED SERVICE PERSONNEL
FOR YOUR SAFETY
IMPORTANT FOR YOUR SAFETY
GAS RESTAURANT RANGE MODELS
PLEASE KEEP THIS MANUAL FOR FUTURE REFERENCE
SERVICE MANUAL
GAS RESTAURANT RANGES
INDEX
SERVICE NOTATIONS
DEDICATED TECHNICAL SERVICE HOT LINE
CHECKS
SERVICING SIMPLE CHECKS AND ADJUSTMENTS
UNITS MOUNTED ON CASTERS
ADJUSTMENTS 1. Legs/Casters
2A. 24L and 48L Oven Door J-Bolt Assembly
SERVICING SIMPLE CHECKS AND ADJUSTMENTS Cont
2. Oven Door Turnbuckle
3. Pilot Flame Height
SERVICING SIMPLE CHECKS AND ADJUSTMENTS Cont
4. Air Shutter Adjustment
SERVICING SIMPLE CHECKS AND ADJUSTMENTS Cont
GAS CONNECTIONS
TESTING THE GAS SUPPLY SYSTEM
GAS CONNECTIONS Cont
Complete Shutdown
PILOT LIGHTING AND ADJUSTMENTS
HOT TOP AND GRIDDLE TOP PILOT BURNER ADJUSTMENTS
HOT TOP AND GRIDDLE TOP BURNERS
Complete Shutdown
PILOT LIGHTING AND ADJUSTMENTS Cont
OPEN TOP BURNER ADJUSTMENTS
OPEN TOP BURNERS
Complete Shutdown
PILOT LIGHTING AND ADJUSTMENTS Cont
BROILER/GRIDDLE ADJUSTMENTS
BROILER/GRIDDLE
Complete Shutdown
PILOT LIGHTING AND ADJUSTMENTS Cont
CONVECTION SNORKEL OVEN 90 Series Only
OVEN BURNER ADJUSTMENTS
PILOT LIGHTING AND ADJUSTMENTS Cont
Complete Shutdown
Bypass Adjustment
THERMOSTAT ADJUSTMENTS
STANDARD OVEN
Shown with old style burner knobs
THERMOSTAT ADJUSTMENTS Cont
Temperature Calibration
Shown with old style burner knobs
4. Pull the dial straight off the dial shaft see Fig
THERMOSTAT ADJUSTMENTS Cont
12. Release the calibration screw and reinstall the dial insert
THERMOSTAT ADJUSTMENTS Cont
DECREASE
THERMOSTAT ADJUSTMENTS Cont
DIAL SHAFT
INCREASE
REGULATOR CHECK
REGULATOR CHECK, ADJUSTMENT, INSTALLATION
REGULATOR ADJUSTMENT
REGULATOR CHECK, ADJUSTMENT, INSTALLATION Cont
REGULATOR INSTALLATION
REGULATOR CHECK, ADJUSTMENT, INSTALLATION Cont
STANDARD OVEN AND GRIDDLE THERMOSTAT REPLACEMENT
STANDARD OVEN & GRIDDLE THERMOSTAT REPLACEMENT
STANDARD OVEN AND GRIDDLE THERMOSTAT CHECKS AND CALIBRATION
6. Remove screws holding the control panel in place
STANDARD OVEN & GRIDDLE THERMOSTAT REPLACEMENT Cont
8. Remove top burners, if required, to access the thermostat Fig
5. Remove the top section burner valve knobs
9. Unscrew the thermostat from the manifold pipe Figs. 33, 34
STANDARD OVEN & GRIDDLE THERMOSTAT REPLACEMENT Cont
CONVECTION SNORKEL OVEN THERMOSTAT REPLACEMENT 90 Series Only
CONVECTION OVEN THERMOSTAT REPLACEMENT
STANDARD OVEN PILOT SAFETY VALVE CHECK
STANDARD OVEN PILOT SAFETY VALVE CHECK, REPLACEMENT
SAFETY VALVE REPLACEMENT PROCEDURES
STANDARD OVEN PILOT SAFETY VALVE CHECK, REPLACEMENT Cont
5. Remove safety valve from unit
STANDARD OVEN PILOT SAFETY VALVE CHECK, REPLACEMENT Cont
6. Install new valve by reversing Steps 1 through
OVEN PILOT REPLACEMENT
OVEN PILOT CHECK, REPLACEMENT
OVEN PILOT CHECK
THERMOCOUPLE REPLACEMENT
THERMOCOUPLE CHECK, REPLACEMENT
THERMOCOUPLE CHECK
OVEN BURNER NOZZLE AND ORIFICE REPLACEMENT
OVEN BURNER NOZZLE AND ORIFICE CHECK, REPLACEMENT
OVEN BURNER NOZZLE AND ORIFICE CHECK
OVEN BURNER REPLACEMENT
OVEN BURNER CHECK, REPLACEMENT
OVEN BURNER CHECK
TOP SECTION PILOT CHECK
TOP SECTION PILOT CHECK, REPLACEMENT
PILOT ADJUSTMENT VALVE REPLACEMENT
TOP SECTION PILOT REPLACEMENT
QUICK MOTOR AND DOOR SWITCH CHECK
TOP SECTION BURNER VALVE AND NOZZLE CHECK, REPLACEMENT
CONVECTION OVEN MOTOR AND DOOR SWITCH CHECK, REPLACEMENT
TOP SECTION BURNER VALVE AND NOZZLE REPLACEMENT
CONVECTION OVEN MOTOR AND DOOR SWITCH CHECK, REPLACEMENT Cont
Possible Problem
CONVECTION OVEN MOTOR AND DOOR SWITCH CHECK, REPLACEMENT Cont
Condition
Condition
CONVECTION OVEN MOTOR AND DOOR SWITCH CHECK, REPLACEMENT Cont
Possible Problem
MICRO DOOR SWITCH REPLACEMENT
CONVECTION OVEN MOTOR REPLACEMENT 90 Series Only
CONVECTION OVEN MOTOR AND DOOR SWITCH CHECK, REPLACEMENT Cont
5. To easily access fan rotor and motor, remove snorkel tube from oven cavity
CONVECTION OVEN MOTOR AND DOOR SWITCH CHECK, REPLACEMENT Cont
7. Remove fan wheel cover
CONVECTION OVEN MOTOR AND DOOR SWITCH CHECK, REPLACEMENT Cont
13. Reinstall motor by reversing Steps 1 through
CONVECTION OVEN MOTOR AND DOOR SWITCH CHECK, REPLACEMENT Cont
SOLENOID CHECK
CENTRIFUGAL SWITCH CHECK
REMOVAL OF CONVECTION OVEN SOLENOID 90 Series Only
CENTRIFUGAL SWITCH CHECK Cont
REMOVAL OF CONVECTION OVEN SOLENOID Cont
REMOVAL OF CONVECTION OVEN SOLENOID Cont
4. Disconnect pilot tubing at safety valve Fig
5. Disconnect solenoid wire leads Fig
6. Disengage safety valve assembly from the manifold area Fig
REMOVAL OF CONVECTION OVEN SOLENOID Cont
8. Install new solenoid by reversing steps 1 through
PRINTED IN U.S.A
FORM 31056 Rev. A