Lincoln 1628-000-A - Manual (Page 9)

Low Profile – 1600 Series Adv Dig Electric S.M. – Int’l 9
REMOVAL, INSTALLATION & ADJUSTMENTS
MODEL SERIES 1621-000-EA, 1628-000-A, 1629-000-A
CAUTION!
BEFORE REMOVING OR INSTALLING ANY COMPONENT IN THE
IMPINGER OVEN BE SURE TO DISCONNECT ELECTRICAL POWER AND GAS SUPPLY.
AIR PRESSURE SWITCH – REPLACEMENT
A. Remove control panel top.
B. Disconnect wires from switch making note of wire number and location for reinstallation.
C. Remove air tube from switch assembly.
D. Remove switch from control box.
E. Install new switch in reverse, make sure air tube is not blocked or misaligned.
To adjust air pressure switch, remove cover from the switch to expose adjusting screw. To
increase sensitivity, turn screw counter- clockwise; to decrease sensitivity, turn screw
clockwise.
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.
CAPACITOR, CONVEYOR MOTOR – REPLACEMENT
A. Shut off power at main breaker.
B. Remove control box cover and front panel.
C. Discharge capacitor before removing wires. Mark wires for reassembly.
D. Remove mounting screw and remove capacitor.
E. Reassemble in reverse order.
REVERSING SWITCH – REPLACEMENT
A. Shut off power at main breaker.
B. Remove control box cover and front panel.
C. Disconnect wiring from reversing switch and mark for reassembly.
D. Remove mounting nut and remove reversing switch.
E. Reassemble in reverse order and check system operation.
REVERSING CONVEYOR DIRECTION
A. Shut off power at oven switch.
B. Set reversing switch in the other position.
C. Turn oven “on” and check for proper operation.
FUSEHOLDER – REPLACEMENT
A. Shut off power at main breaker.
B. Remove appropriate control box cover.