Vulcan-Hart GHIR44 Service Manual
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Vulcan-Hart GHIR44 Service Manual

Heavy duty gas broiler
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Download this manual See also: Operation & Installation Manual
HEAVY DUTY GAS BROILER
MODELS
GHCB40
ML-052211
GHCB44
ML-052213
GHMCB44
ML-052214
HCB1
ML-052202
HCB2(B)
ML-052208
IR1
ML-052200
IR2(B)
ML-052201
GHIR44
ML-052210
This Manual is prepared for the use of trained Vulcan Service Technicians and should not be used by those not properly
qualified. If you have attended a Vulcan Service School for this product, you may be qualified to perform all the procedures
described in this manual.
This manual is not intended to be all encompassing. If you have not attended a Vulcan Service School for this product,
you should read, in its entirety, the repair procedure you wish to perform to determine if you have the necessary tools,
instruments and skills required to perform the procedure. Procedures for which you do not have the necessary tools,
instruments and skills should be performed by a trained Vulcan Service Technician.
Reproduction or other use of this Manual, without the express written consent of Vulcan, is prohibited.
For additional information on Vulcan-Hart Company or to locate an authorized
parts and service provider in your area, visit our website at www.vulcanhart.com
VULCAN-HART COMPANY, P.O. BOX 696, LOUISVILLE, KY 40201-0696, TEL. (502) 778-2791
SERVICE MANUAL
– NOTICE –
GHCB40 SHOWN
FORM 35608 (Aug. 2003)

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Summary of Contents for Vulcan-Hart GHIR44

  • Page 1 Vulcan Service Technician. Reproduction or other use of this Manual, without the express written consent of Vulcan, is prohibited. For additional information on Vulcan-Hart Company or to locate an authorized parts and service provider in your area, visit our website at www.vulcanhart.com VULCAN-HART COMPANY, P.O.

  • Page 2: Table Of Contents

    IMPORTANT ... 5 REMOVAL AND REPLACEMENT OF PARTS ... 6 Covers, Panels and Handles ... 6 Burner Box Cover (GHCB40, GHCB44, GHIR44) ... 6 Burner Shield Cover [HCB2(B), IR1, IR2(B)] ... 6 Manifold Cover Assembly (GHCB40 & GHIR44) ... 7 Burner Knob Cover Plate [HCB2(B), IR1 and IR2(B)] ...
  • Page 3 Burner Manifold Assembly (GHCB40) ... 18 Burner Manifold Assembly (GHIR44) ... 19 Oven Pilot Valve (GHCB40) ... 19 Oven Burner Valve (GHCB40) ... 19 Pilot Outage Protection Valve (GHCB40) ... 20 Thermostat (GHCB40) ... 21 Oven Burner Nozzle (GHCB40) ... 22 Burner Valve [(IR2(B) and HCB2(B)] ...

  • Page 4: General

    (Removal of the kick panel is necessary to access plate.) HCB1/2(B) Riveted to front right-hand corner of the lower shelf. GHIR44 Riveted to the door liner behind the left hand door panel. IR1/2(B) Riveted to lower cabinet bottom shelf.

  • Page 5: Important

    IMPORTANT STOP BOLTS MUST BE IN POSITION FOR SAFE OPERATION OF GRID. IF DAMAGED OR MISSING, REPLACE AT ONCE. DO NOT OPERATE GRID WITHOUT BOLTS. Two (2) broiler grid 1/4-20 stop bolts and nuts are supplied with each broiler grid to ensure that the grid is not accidentally pulled completely from the broil section while hot.

  • Page 6: Removal And Replacement Of Parts

    COVERS, PANELS AND HANDLES Burner Box Cover (GHCB40, GHCB44, GHIR44) WARNING: SHUT OFF THE GAS BEFORE SERVICING. 1. Open the augratin oven door. 2. Remove the oven rack. 3. Remove the four screws and bushings from the oven. 4. Remove the augratin oven bottom assembly as outlined in Augratin Oven Bottom Assembly.

  • Page 7: Manifold Cover Assembly (Ghcb40 & Ghir44)

    SHUT OFF THE GAS BEFORE SERVICING. 1. Remove the grease tray from the broiler (GHCB40 only). NOTE: The GHIR44 manifold cover assembly has a chain to protect switch wiring. 2. Loosen the mounting screw in each burner knob. 3. Remove the two burner knobs from the broiler.

  • Page 8: Control Panel Cover (Ghcb40)

    1. Remove the manifold cover assembly as outlined in Manifold Cover Assembly. 2. Loosen the retaining screw and remove the burner knob from the broiler. 3. Pull the thermostat knob to remove it from the broiler. from the broiler. 5. Reverse the procedure to install. Lower Front Panel (GHCB40) 1.

  • Page 9: Oven Bottom Assembly (Ghcb40)

    WARNING: SHUT OFF THE GAS BEFORE SERVICING. WARNING: ALL GAS JOINTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS. CHECK WITH SOAP AND WATER SOLUTION (BUBBLES). DO NOT USE AN OPEN FLAME. 1. Remove the lower front panel as outlined in Covers, Panels and Handles.

  • Page 10: Augratin Oven Bottom Assembly (Ghcb40)

    (GHCB40) WARNING: ALL GAS JOINTS DISTURED DURING SERVICING MUST BE CHECKED FOR LEAKS. CHECK WITH SOAP AND WATER SOLUTION (BUBBLES). DO NOT USE AN OPEN FLAME. 1. Remove the four screws and brass bushings from the broiler. 2. Slide the augratin oven bottom assembly from the broiler.

  • Page 11: Broiler Grid Tray (All Models)

    2. Remove two screws and the oven door handle from the oven door. 3. Reverse the procedure to install. BROILER GRID TRAY (ALL MODELS) WARNING: SHUT OFF THE GAS BEFORE SERVICING. 1. Allow the broiler grids to cool. 2. Remove the two broiler grids from the broiler grid tray.

  • Page 12: Burner Ceramics (Ghcb40)

    4. Remove the grid handle from the grid arm lifting assembly. 5. Remove two bolts, six washers and two nuts from the grid arm lifting assembly and the grid carriage assembly. 6. Remove the grid arm lifting assembly from the grid carriage assembly and the broiler. 7.

  • Page 13: Burner Assembly

    CAUTION: Make sure that you do not damage the pilot nozzle when you remove the burner assembly. 5. Reverse the procedure to install. GHIR44 WARNING: SHUT OFF THE GAS BEFORE SERVICING. 1. Allow the burner assembly to cool.

  • Page 14: Heat Shield (Ghir44)

    HEAT SHIELD (GHIR44) WARNING: SHUT OFF THE GAS BEFORE SERVICING. 1. Remove burner assemblies as outlined in Burner Assembly. 2. Remove the cotter pin from the shaft of the heat shield. 3. Remove the heat shield from the broiler. 4. Reverse the procedure to install.

  • Page 15: Ghir44

    4. Disconnect the sub-manifold from the elbow. 5. Remove the sub-manifold from the broiler. 6. Reverse the procedures to install. BURNER SUB-MANIFOLD (GHIR44) WARNING: SHUT OFF THE GAS BEFORE SERVICING. WARNING: ALL GAS JOINTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS.

  • Page 16: Pilot Manifold (Ghir44)

    5. Loosen the two nuts on the burner sub- manifold. 6. Remove the burner sub-manifold from the broiler. 7. Reverse the procedure to install. PILOT MANIFOLD (GHIR44) WARNING: SHUT OFF THE GAS BEFORE SERVICING. WARNING: ALL GAS JOINTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS.

  • Page 17: Oven Burner Assembly (Ghcb40)

    Covers, Panels and Handles. 2. Lift and remove the oven burner assembly from the broiler. 3. Reverse the procedure to install. PILOT BURNER NOZZLES (GHIR44) WARNING: SHUT OFF THE GAS BEFORE SERVICING. WARNING: ALL GAS JOINTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS.

  • Page 18: Gas Valves, Tubing, Thermostats, Regulators And Solenoids

    GAS VALVES, TUBING, THERMOSTATS, REGULATORS AND SOLENOIDS Burner Manifold Assembly (GHCB40) WARNING: SHUT OFF THE GAS BEFORE SERVICING. WARNING: ALL GAS JOINTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS. CHECK WITH SOAP AND WATER SOLUTION (BUBBLES). DO NOT USE AN OPEN FLAME.

  • Page 19: Burner Manifold Assembly (Ghir44)

    WARNING: SHUT OFF THE GAS BEFORE SERVICING. WARNING: ALL GAS JOINTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS. CHECK WITH SOAP AND WATER SOLUTION (BUBBLES). DO NOT USE AN OPEN FLAME. 1. Remove the manifold cover assembly as outlined in Covers, Panels and Handles. 2.

  • Page 20: Pilot Outage Protection Valve (Ghcb40)

    2. Disconnect the oven burner valve from the oven gas supply tube and the union. 3. Reverse the procedure to install. Pilot Outage Protection Valve (GHCB40) WARNING: SHUT OFF THE GAS BEFORE SERVICING. WARNING: ALL GAS JOINTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS.

  • Page 21: Thermostat (Ghcb40)

    6. Remove the two bolts from the pilot outage protection valve and the bracket. 7. Disconnect the pilot outage protection valve from the union and the thermostat. 8. Remove the pilot outage protection valve and the ignitor wire from the broiler. 9.

  • Page 22: Oven Burner Nozzle (Ghcb40)

    WARNING: SHUT OFF THE GAS BEFORE SERVICING. WARNING: ALL GAS JOINTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS. CHECK WITH SOAP AND WATER SOLUTION (BUBBLES). DO NOT USE AN OPEN FLAME. 1. Remove the oven burner cover as outlined in Covers, Panels and Handles.

  • Page 23: Burner Valve (Ghir44)

    WARNING: DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AND FOLLOW LOCKOUT / TAGOUT PROCEDURES. WARNING: SHUT OFF THE GAS BEFORE SERVICING. WARNING: ALL GAS JOINTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS. CHECK WITH SOAP AND WATER SOLUTION (BUBBLES). DO NOT USE AN OPEN FLAME.

  • Page 24: Regulator [Hcb2(B)]

    WARNING: SHUT OFF THE GAS BEFORE SERVICING. WARNING: ALL GAS JOINTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS. CHECK WITH SOAP AND WATER SOLUTION (BUBBLES). DO NOT USE AN OPEN FLAME. 1. Disconnect the gas supply tube and the burner tube.

  • Page 25: Lever Arm Assembly (All Models)

    LEVER ARM ASSEMBLY (ALL MODELS) Upper WARNING: SHUT OFF THE GAS BEFORE SERVICING. WARNING: ALL GAS JOINTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS. CHECK WITH SOAP AND WATER SOLUTION (BUBBLES). DO NOT USE AN OPEN FLAME. 1. Remove the grid carriage assembly as outlined in Grid Carriage Assembly.

  • Page 26: Blower And Motor

    4. Remove the lower lever arm assembly from the two brackets. 5. Reverse the procedure to install. BLOWER AND MOTOR GHIR44 WARNING: SHUT OFF THE GAS BEFORE SERVICING. WARNING: DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AND FOLLOW LOCKOUT / TAGOUT PROCEDURES.

  • Page 27: Ir1 And Ir2(B)

    8. Disconnect the electrical wires. 9. Remove the blower and motor from the broiler. 10. Reverse the procedure to install. IR1 and IR2(B) WARNING: DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AND FOLLOW LOCKOUT / TAGOUT PROCEDURES. WARNING: SHUT OFF THE GAS BEFORE SERVICING.

  • Page 28: Light (Ghir44)

    WARNING: DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AND FOLLOW LOCKOUT / TAGOUT PROCEDURES. WARNING: SHUT OFF THE GAS BEFORE SERVICING. 1. Remove the manifold cover assembly as outlined in Covers, Panels and Handles. 2. Note the location and connection of the electrical wires.

  • Page 29: Pilot Adjustment (All Models)

    PILOT ADJUSTMENT (ALL MODELS) 1. Light the pilot as outlined under Lighting Pilot in the Installation and Operation manual for the appropriate model. 2. Locate the pilot adjustment screw on the supply end of pilot manifold pipe. 3. With a flat blade screwdriver, turn the pilot adjustment screw counterclockwise to increase or clockwise to decrease gas flow.

  • Page 30: Burner Service (All Models)

    WARNING: SHUT OFF THE GAS BEFORE SERVICING THE OVEN. If the burner ports become obstructed or the burner cracks, the burner will not operate properly. 1. Remove burner(s) as outlined under Burner Assemblies Section of this manual. 2. Check burner(s) for: A.

  • Page 31: Troubleshooting

    SYMPTOMS Uneven heating, sides burning. Too much top heat. Uneven heat front to back. Dried out products. Pilot outage. Pilot will not light. TROUBLESHOOTING A) Temperature too low. B) Improper operation of broiler. C) Fluctuating gas pressure. A) Temperature too high. B) Faulty ventilation.
  • Page 32 – 32 – FORM 35608 (Aug. 2003) PRINTED IN U.S.A.

This manual is also suitable for:

Ghcb40Ghcb44Hcb2bIr1Ir2bGhmcb44 ... Show all

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