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DTF – 1920 Series Service Manual
10
REMOVAL, INSTALLATION AND ADJUSTMENT
DUAL TECHNOLOGY FINISHER
CAUTION!
BEFORE REMOVING OR INSTALLING ANY COMPONENT IN THE DUAL TECHNOLOGY
FINISHER, BE SURE TO DISCONNECT THE ELECTRICAL POWER SUPPLY.
MOTOR, MAIN FAN - REPLACEMENT
1. Shut off power at main breaker.
2. Remove conveyor and finger assemblies from oven (see installation operations
manual).
3. Remove front plenum assembly. Measure location of main fan on motor shaft for
reassembly. Loosen two set screws and remove main fan from motor shaft.
4. Remove oven top and rear cover. Disconnect wiring from motor. Remove motor and
motor mount assembly from back of oven.
5. Measure proper location of cooling fan on motor shaft for reassembly. Remove cooling
fan. Remove motor from motor mount.
6. Reassemble in reverse order and test for proper operation.
MAIN FAN - REPLACEMENT
See “MOTOR, MAIN FAN” above.
SWITCH, ON/OFF – SWITCH, STANDBY - REPLACEMENT
1. Shut off power at main breaker.
2. Remove control box top.
3. Depress clips on sides of switch and remove switch from front panel.
4. Disconnect all wires from switch. Mark all wires for reinstallation.
5. Reassemble in reverse order and check system operation.
RELAY, TIME DELAY - REPLACEMENT
1. Shut off power at main breaker.
2. Remove rear cover.
3. Remove wires from time delay relay and mark wires for reinstallation.
4. Remove mounting screw and remove time delay relay.
5. Reassemble in reverse order and check system operation.
RELAY, MAIN FAN - REPLACEMENT
1. Shut off power at main breaker.
2. Remove rear cover.
3. Remove wires from main fan relay and mark wires for reassembly.
4. Remove mounting screws and remove main fan relay.
5. Reassemble in reverse order and check system operation.