4.Disconnect all wiring from the temperature regulation valve and the main gas valve. Mark all wiring for reassembly.
5.Remove pilot tube from gas valve. Disconnect pipe unions at the burner and at the inlet side of the main gas valve. Loosen pipe clamp and remove valves and piping assembly.
6.Remove piping from old valve and reassemble in reverse order.
7.Check all gas line fittings for leaks and adjust manifold pressure on gas valve. Refer to the specification plate on the oven for proper gas manifold pressure. Check system operation.
MAIN BURNER ORIFICE – REPLACEMENT
1.Shut off power at main breaker.
2.Shut off the gas supply to the oven and disconnect the flexible gas hose from the oven.
3.Remove control box cover and control box front cover.
4.Remove pilot tube from gas valve. Disconnect pipe union at burner, loosen pipe union at inlet to gas valve, loosen pipe clamp and move piping away from burner.
5.Remove two mounting nuts from burner flange and remove burner flange.
6.Remove main burner orifice from the burner flange.
7.Reassemble in reverse order.
8.Check all gas line fittings for leaks and check system operation.
PILOT ORIFICE – REPLACEMENT
1.Shut off power at main breaker.
2.Shut off the gas supply to the oven and disconnect the flexible gas hose from the oven.
3.Remove control box cover and control box front cover.
4.Remove pilot tube from gas valve. Disconnect pipe union at burner and at inlet to main gas valve. Loosen pipe clamp and move piping away from burner.
5.Disconnect wiring from burner and mark wiring for reassembly.
6.Remove four screws from burner end plate and remove burner assembly from burner housing.
7.Remove pilot tube from igniter assembly and remove pilot orifice.
8.Reassemble in reverse order. Check all gas line fittings for leaks. Check system operation.
SPARK IGNITER – REPLACEMENT
1.Shut off power at main breaker.
2.Shut off the gas supply to the oven and disconnect the flexible gas hose from the oven.
3.Remove control box cover and control box front cover.
4.Remove pilot tube from gas valve. Disconnect pipe union at burner and at inlet to main gas valve. Loosen pipe clamp and move piping away from burner.
5.Disconnect wiring from burner and mark wiring for reassembly.
6.Remove four screws from burner end plate and remove burner assembly from burner housing.
7.Remove pilot tube, pilot shield and pilot orifice from spark igniter and remove spark igniter.
8.Reassemble in reverse order and check system operation.
CONVEYOR MOTOR – REPLACEMENT
1.Shut off power at main breaker.
2.Remove control box cover and front control box cover.
3.Disconnect wiring from the conveyor motor assembly and mark all wiring for reassembly.
4.Remove four screws and remove conveyor motor assembly.
5.Remove hall effect sensor and magnet (one mounting nut) and mounting stud from old motor.
6.Reassemble in reverse order and check system operation.
REVERSING SWITCH – REPLACEMENT
1.Shut off power at main breaker.
2.Remove control box cover.
3.Disconnect wiring from reversing switch and mark all wiring for reassembly.
4.Remove mounting nut from reversing switch and remove reversing switch.
5.Reassemble in reverse order and check system operation.
Impinger X2 – Analog Service Manual – Dom & Int’l | 21 |
