Vulcan-Hart ASA24, Service Manual

Page 1: ...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 Technici...

Page 2: ...Y POWER SWITCH 900RX 6 ELECTRIC IGNITER 900RX 7 BASO SAFETY VALVE 7 THERMOSTAT VALVE ASSEMBLY 7 BURNER 9 PILOT THERMOCOUPLE ASSEMBLY 9 SERVICE PROCEDURES AND ADJUSTMENTS 11 CALIBRATION 11 PILOT ADJUST...

Page 3: ...mentals of Gas Service Instructions Rating Plate Locations on Current Vulcan Hart Wolf Range Equipment Technical Service Bulletin TSB TSB 0842 4 Position 3 Heat Switch Ranges Ovens Broilers Technical...

Page 4: ...momentary power switch The power switch turns the electric ignition system off and on only and will only supply power to the igniters when held down in the ON position The burners and pilots will con...

Page 5: ...thermocouple Johnstone Supply Part No H23 226 or equivalent Fig 1 COMPONENT LOCATION Front View 924RX Fig 2 1 Pilot electric ignition system control switch RX only 2 Power cord RX only 3 Thermostat 4...

Page 6: ...uct the sight holes Fig 5 BACK PANEL Shut off the gas before servicing the unit and follow lockout tagout procedures All gas joints disturbed during servicing must be checked for leaks Check with a so...

Page 7: ...pe and valve for reassembly later NOTE Ignition wires must be routed in front of valves as shown to prevent them from touching hot heat shield Fig 8 3 Disconnect all gas lines and thermocouple from va...

Page 8: ...Secure end of insulator sleeve to thick end of capillary tube with metal tape as shown Fig 10 9 Slide capillary tube all the way into slot underneath griddle plate until it is fully seated 10 Careful...

Page 9: ...6 Adjust as outlined in BURNER ADJUSTMENT PILOT THERMOCOUPLE ASSEMBLY Disconnect the electrical power to the machine and follow lockout tagout procedures Shut off the gas before servicing the unit and...

Page 10: ...5 Service assembly as required and assemble in reverse order being sure bracket is seated in slot for alignment Heavy Duty Gas Griddles REMOVAL AND REPLACEMENT OF PARTS F25383 0219 Page 10 of 19...

Page 11: ...mperatures at the center points of the cooking zones These points are located by starting 6 from the side splash left or right and every 12 across the width of the griddle with all points located 12 b...

Page 12: ...en the temperature dial screws and knob set screws Fig 23 9 Repeat Steps 3 thru 8 for each zone PILOT ADJUSTMENT Using a flathead screwdriver turn the slotted pilot adjustment screw clockwise to decre...

Page 13: ...he direction of gas flow to the griddle and the regulator is positioned with the vent plug and adjustment screw upright Check that vent plug is not clogged by grease and debris Check and set the gas p...

Page 14: ...treaming flame Primary air supply is controlled by the air shutter on the front of the burner venturi Loosen the screw on the venturi and adjust the air shutter to just eliminate yellow tips on the bu...

Page 15: ...5 Light pilot flame 6 Verify that thermocouple is sufficiently immersed in flame Adjust pilot valve to allow more gas flow if necessary 7 With thermostat off allow pilot to burn for 3 4 minutes to sta...

Page 16: ...ELECTRICAL OPERATION ELECTRICAL DIAGRAM Fig 30 Heavy Duty Gas Griddles ELECTRICAL OPERATION F25383 0219 Page 16 of 19...

Page 17: ...Fig 31 Heavy Duty Gas Griddles ELECTRICAL OPERATION Page 17 of 19 F25383 0219...

Page 18: ...it 2 Gas supply not purged of air Depress pilot safety button until air is purged 3 Adjust pilot valve to allow more gas flow 4 Thermocouple not sufficiently immersed in flame Adjust accordingly 5 The...

Page 19: ...stment 6 Check pilot flame adjustment Excessive or low heat 1 Gas shut off valve not completely open 2 Thermostats need calibrated See CALIBRATION section 3 Thermostat malfunction 4 Gas pressure incor...