Lincoln 1455-000-E Convection Oven User Manual


 
Impinger I -–Adv Digital – Electric Service Manual - International
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(included with the oven control) by pushing the extensions onto the four set buttons on control.
F. Reassemble in reverse order and check system operation.
G. Set the oven control for the proper operating mode. The 1400 series ovens use a single temperature control
system. The oven control must be set to the proper operating mode. Set the control as follows: With the oven
power switch “off”, depress the “time” and “up” buttons and turn the oven “on”. Control will indicate
“Imp I or Imp II” Release the buttons. Press the “up” or “down” button until “Imp I” and “temp to store” appears
on the display. Press the “temp” button. The control is now set for Impinger I conveyor and single burner
operation.
FUSE HOLDER – REPLACEMENT
1. Shut off power at main breaker.
2. Remove control box cover.
3. Remove all wiring from fuse holder and mark for reassembly.
4. Remove mounting nut for fuse holder and remove fuse holder.
5. Reassemble in reverse order and check system operation.
BEARING, CONVEYOR – REPLACEMENT
1. Remove conveyor from oven and place on flat work surface.
2. Remove connecting links from conveyor belt. See Installation and operations manual.
3. Remove conveyor belt from conveyor. Remove drive sprocket from drive shaft if required.
4. Move shaft toward end of conveyor, and shaft with bearings will now slip out of holding bracket.
5. Replace bearing and reassemble in reverse order.
HEAT CONTACTOR – REPLACEMENT
1. Shut off power at main breaker.
2. Remove control box cover and front panel.
3. Remove all wiring from contactor and mark for reassembly.
4. Remove mounting screws and remove contactor.
5. Reassemble in reverse order and check system operation. NOTE: be sure that contactor is not mounted upside
down, as this will cause a constant “on” condition.
HI-LIMIT CONTACTOR – REPLACEMENT
See “HEAT CONTACTOR – REPLACEMENT”
EMI FILTER – REPLACEMENT
1. Shut off power at main breaker.
2. Remove control box cover and front panel.
3. Remove all wiring from filter and mark for reassembly.
4. Remove mounting screws and remove filter.
5. Reassemble in reverse order and check system operation.
HEATING ELEMENT – REPLACEMENT
1. Shut off power at main breaker.
2. Remove back cover.
3. Disconnect wiring from heating element and mark wires for reassembly.
4. Disconnect motor wiring and mark for reassembly.
5. Remove oven back assembly from oven.
6. Remove fan shroud.
7. Remove heating element from oven back.
8. Reassemble in reverse order and check system operation. NOTE: Be sure heating element connections are tight.