Toro 1133-080-A Convection Oven User Manual


 
Impinger II – Advantage Digital Express Service Manual - Domestic
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BURNER CONTROL – REPLACEMENT
A. Shut off power at main breaker.
B. Remove conveyor and front control box cover.
C. Remove wires from control and mark for reassembly.
D. Remove mounting screws from control and remove burner control.
E. Reassemble in reverse order and check system operation.
GAS VALVE – REPLACEMENT
A. Shut off power at main breaker.
B. Shut off gas supply to the oven and disconnect the flexible gas line to oven.
C. Remove rear control box cover.
D. Remove the manual gas shut-off valve.
E. Remove screws from the bulkhead plate on inlet gas pipe and remove inlet gas pipe.
F. Remove pilot tube and wiring from gas valve, Mark all wiring for reassembly.
G. Disconnect pipe union in gas line and remove gas valve and piping assembly.
H. Remove piping from gas valve.
I. Reassemble in reverse order and check system operation.
J. Check all gas line fitting for leaks.
K. Adjust the gas manifold pressure on the gas valve. Refer to the specification plate on the oven
for proper rating.
TEMPERATURE REGULATION VALVE – REPLACEMENT
A. Shut off power at main breaker.
B. Shut off gas supply to the oven and disconnect the flexible gas line to oven.
C. Remove rear control box cover.
D. Remove bypass tube from burner manifold.
E. Remove wiring from valve and mark for reassembly.
F. Remove four mounting nuts from burner manifold and disconnect pipe union.
G. Remove temperature regulation valve and piping from oven.
HOT SURFACE IGNITER – REPLACEMENT
A. Shut off power at main breaker.
B. Shut off gas supply to the oven and disconnect the flexible gas line to oven.
C. Remove conveyor and control box covers.
D. Remove temperature regulation valve. See “TEMPERATURE REGULATION VALVE”.
E. Disconnect wires from burner control.
F. Remove three mounting screws and remove burner venturi.
G. Remove mounting nut and remove hot surface igniter assembly.
H. Reassemble in reverse order and check system operation.
I. Check all gas line fittings for leaks.