MERCURY CONTACTOR
1.Shut off power at the main breaker.
2.Remove conveyor.
3.Remove control compartment covers.
4.Disconnect contactor wires and mark for reinstallation.
5.Remove screws from mounting bracket and replace contactor.
NOTE: Be sure contactor is not mounted upside down at this will cause a constant on condition.
6.Reassemble in reverse order.
GAS VALVE
1.Shut off power at main breaker.
2.Shut off the gas supply in the main line to the oven.
3.Disconnect the flexible gas hose.
4.Remove the control compartment covers.
5.Remove the manual gas shut off valve from piping.
6.Remove screws from the bulkhead plate located on rear of oven at the gas pipe.
7.Remove the section of gas pipe to gas valve.
8.Disconnect the electrical leads from the solenoid valve.
9.Loosen the gas line union located near the burner and remove the gas valve and solenoid valve assembly.
10.Finish removal of the gas piping from gas valve.
11.Replace in reverse order.
12.Check all gas fittings for leaks.
13.Adjust the gas manifold pressure on the gas valve. “Refer to the specification plate on the oven for proper rating”.
SOLENOID VALVE
1.Shut off power at main breaker.
2.Shut off gas supply.
3.Remove rear control box cover.
4.Disconnect wires from solenoid valve. Mark wires for reassembly.
5.Loosen pipe union in piping assembly.
6.Remove 4 nuts from burner manifold and remove valve assembly.
7.Remove piping from solenoid valve.
8.Reassemble in reverse order.
NOTE: Some piping changes may be required. See instructions supplied with replacement part.
HEATING ELEMENTS
1.Shut off power at main breaker.
2.Remove back cover.
3.Disconnect heater element wire and mark for reassembly.
4.Disconnect motor wiring and mark for reassembly.
5.Remove oven back from oven.
6.Remove fan shroud.
7.Heater element may now be unbolted and removed.
8.Check heater elements to be sure they are the proper replacement.
9.Reassemble in reverse order.
NOTE: Be sure the lead terminals are tight.
Impinger II - 1100 Series Service Manual - International | 53 |
