Lincoln 1100-000-A SERIES (SN 2038615 & BELOW) service manual Bypass Orifice Replacement

BYPASS ORIFICE – REPLACEMENT
.	Shut off power at main breaker.
.	Shut off gas supply to oven.
.	Remove control panel top and front cover.
.	Remove pilot tube from bypass orifice and remove orifice.
.	Reassemble in reverse order and check system operation.
.	Check gas line fittings for leaks.
TEMPERATURE REGULATION VALVE – REPLACEMENT
.	Shut off power at main breaker.
.	Shut off gas supply to oven.
.	Remove control panel top and front cover.
.	Remove bypass tube from burner.
.	Disconnect wires from temperature regulation valve and mark for reassembly.
.	Remove four nuts from burner manifold and disconnect pipe union.
.	Remove temperature regulation valve and piping from oven.
.	Remove piping from valve and reassemble in reverse order and check system operation. Check all gas line
	fittings for leaks.
IGNITER/SENSOR ASSEMBLY – REPLACEMENT
.	Shut off power at main breaker.
.	Shut off gas supply to oven.
.	Remove control panel top and front cover.
. Remove gas valve assembly.(see “GAS VALVE”)
.	Remove temperature regulation valve. (see “TEMPERATURE REGULATION VALVE”)
.	Disconnect all wires from burner and mark for reassembly.
.	Remove screws from burner tube and remove burner venturi.
.	Remove two mounting screws and remove igniter/sensor assembly from burner venturi.
.	Reassemble in reverse order and check system operation. Check all gas line fittings for leaks.
Impinger II – 1100-000-A Series (SN 2038615 & Below) Service Manual –Int’l		19