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Impinger II – Advantage Digital Express Service Manual - Domestic
20
Conveyor motor If there is voltage supplied to the hall effect
sensor, check for a frequency output from the hall
effect sensor. Measure frequency across the
yellow and white wires at the motor connector.
Frequency reading should be approx. 25 – 100
Hz. If these readings are not achieved, replace
conveyor motor. If the readings are achieved,
proceed.
Oven control If the hall effect sensor readings are correct, but
there is no speed indicated on the display, replace
the oven control.
REMOVAL, INSTALLATION AND ADJUSTMENTS
IMPINGER II ADVANTAGE SERIES
CAUTION
BEFORE REMOVING OR INSTALLING ANY COMPONENT IN THE IMPINGER
OVEN BE SURE TO DISCONNECT ELECTRICAL POWER AND GAS SUPPLY.
MAIN FAN – REPLACEMENT
A. Shut off power at main breaker.
B. Remove motor cover from back of oven.
C. Disconnect wiring and mark for reassembly.
D. Remove bolts and slide back straight out of the oven.
E. Loosen the bolt from fan hub and remove fan from motor shaft.
NOTE: Measure distance from fan blade to rear wall assembly before removal to aid in reassembly.
F. Reassemble in reverse order and check system operation.
MOTOR, MAIN FAN – REPLACEMENT
A. Shut off power at main breaker.
B. Remove motor cover from back of oven.
C. Disconnect wiring and mark for reassembly.
D. Remove bolts and slide back straight out of the oven.
E. Loosen the bolt from fan hub and remove fan from motor shaft.
NOTE: Measure distance from the fan blade to rear wall assembly before removal to aid in reassembly.
F. Remove four screws from motor support assembly.
G. Remove motor mount clamp and remove motor from oven back.
H. Remove motor mount from motor.
I. Reassemble in reverse order and check system operation.