Gas Orifice; Gas Combination Valve; Gas Pilot - Vulcan-Hart GRC35 Service Manual

GR SERIES GAS FRYERS - REMOVAL AND REPLACEMENT OF PARTS

GAS ORIFICE

WARNING: DISCONNECT THE
ELECTRICAL POWER TO THE
MACHINE AND FOLLOW LOCKOUT /
TAGOUT PROCEDURES. THERE MAY
BE MULTIPLE CIRCUITS. BE SURE
ALL CIRCUITS ARE DISCONNECTED.
WARNING: SHUT OFF THE GAS BEFORE SERVICING
THE UNIT.
1. Remove gas orifice spud from orifice extension.
NOTE: The spud screws into orifice extension. When
installing, do not over tighten the spud or damage to the
threads may occur.
2. Reverse procedure to install.

GAS COMBINATION VALVE

WARNING: DISCONNECT THE
ELECTRICAL POWER TO THE
MACHINE AND FOLLOW LOCKOUT /
TAGOUT PROCEDURES. THERE MAY
BE MULTIPLE CIRCUITS. BE SURE
ALL CIRCUITS ARE DISCONNECTED.
WARNING: SHUT OFF THE GAS BEFORE SERVICING
THE UNIT.
WARNING: ALL GAS JOINTS DISTURBED DURING
SERVICING MUST BE CHECKED FOR LEAKS. CHECK
WITH A SOAP AND WATER SOLUTION (BUBBLES).
DO NOT USE AN OPEN FLAME.
NOTE: Gas combination valves are not serviceable and
should not be disassembled. Once the problem has
been isolated to this control, replace it. Do not attempt to
repair the assembly.
1. Remove burners as outlined under "GAS BURNERS".
2. Disconnect lead wires from gas combination valve.
3. Remove cotter pin securing handle to gas valve on/
off knob. Pull handle (with knob bracket attached)
away from valve assembly.
4. Disconnect pilot tube compression fitting.
5. Disconnect gas inlet compression fitting.
6. Separate the gas line union at gas outlet on the gas
valve, then remove valve.
GAS COMBINATION VALVE FOR ELECTRONIC
IGNITION SHOWN
NOTE: Remove fittings on gas valve and install (in same
orientation) on the replacement valve.
7. Reverse procedure to install and check for proper
operation.
WARNING: DISCONNECT THE
ELECTRICAL POWER TO THE
MACHINE AND FOLLOW LOCKOUT /
TAGOUT PROCEDURES. THERE MAY
BE MULTIPLE CIRCUITS. BE SURE
ALL CIRCUITS ARE DISCONNECTED.
WARNING: SHUT OFF THE GAS BEFORE SERVICING
THE UNIT.
WARNING: ALL GAS JOINTS DISTURBED DURING
SERVICING MUST BE CHECKED FOR LEAKS. CHECK
WITH A SOAP AND WATER SOLUTION (BUBBLES).
DO NOT USE AN OPEN FLAME.
1. Remove burners as outlined under "GAS BURNERS".
2. Disconnect ignitor cable (at boot) from ignitor/flame
sense electrode on the gas pilot.
3. Disconnect ground wire from pilot bracket.
4. Disconnect pilot tube compression fitting.
– 11 –

GAS PILOT

F-25114 Rev.A (07-03)