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Impinger II – 1100-000-A Series (SN 2038615 & Below) Service Manual –Int’l
19
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.