Lincoln Impinger Conveyor Ovens 1634-000-EA - Manual (Page 13)

Low Profile – 1600 Advantage Series Service Manual – International 13
CONVEYOR CONTROL BOARD – CALIBRATION
A. Connect digital volt meter to the hall effect sensor. Black meter lead connected to black hall
effect sensor lead, red meter lead to white hall affect sensor lead.
B. Turn conveyor control knob fully counter clockwise. Loosen knob and align with calibration
line and tighten knob.
C. Set knob to 2 minute setting. Adjust “max” pot. On conveyor control to 219 Hz.
D. Set control knob to 20 minute setting, and adjust “min” pot. On conveyor control to 21.9 Hz.
Recheck at 2 minute and 20 minutes until proper readings are achieved. seal pots with
glyptol or nail polish.
CIRCUIT BREAKER
A. Shut off power at main breaker.
B. Remove control top and front panel.
C. Disconnect 2 wires from circuit breaker.
D. Remove knurled mounting nut and push out.
E. Reassemble in reverse order.
NOTE: Be sure to reset breaker before operation.
CONVEYOR DRIVE MOTOR – REPLACEMENT
A. Shut off power at main breaker.
B. Remove conveyor.
C. Remove control panel top and front cover.
D. Disconnect wiring from motor and mark for reassembly.
E. Remove sprocket from motor shaft.
F. Remove 4 screws and remove conveyor motor and mounting bracket.
G. Remove mounting bracket from conveyor motor assembly.
H. Reassemble in reverse order.
REVERSING CONVEYOR DIRECTION
A. Shut off power at main breaker.
B. Remove control panel top .
C. Reverse wires fastened to terminals A+ and A- on conveyor control board.(See schematic
diagram for wire numbers)
D. Reassemble in reverse order.
HALL EFFECT SENSOR – REPLACEMENT
A. Shut off power at main breaker.
B. Remove control panel top and front cover.
C. Remove conveyor motor assembly.
D. Remove wire connector from hall affect sensor board.
E. Remove 2 screws from conveyor drive motor.
F. Remove sensor board from mounting bracket.
G. Reassemble in reverse order.
FUSEHOLDER – REPLACEMENT
A. Remove appropriate control box cover.
B. Remove 2 wires, note wire number and location.
C. Remove lock nut on back side of fuse holder and push out.
D. Reinstall in reverse order and check system operation.
GAS VALVE – REPLACEMENT AND ADJUSTMENT
A. Remove appropriate control box cover .
B. Disconnect the gas piping from the back of the unit.
C. Remove the 4 screws from the incoming nipple mounting bracket.
D. Remove incoming nipple.
E. Disconnect 2 plugs (1) 3prong and (1) 4 prong – note location.