Lincoln Impinger Conveyor Ovens 1634-000-EA - Manual (Page 16)

Low Profile – 1600 Advantage Series Service Manual – International 16
CAPACITOR, MAIN FAN MOTOR – REPLACEMENT
A. Remove appropriate control box cover.
B. Remove 2 wires from capacitor, note wire number and location.
C. WARNING: Capacitor has a stored charge, discharge before handling or testing.
D. Cut 2 tyraps securing capacitor to base and replace.
E. Reinstall in reverse order and check system operation.
RELAY – REPLACEMENT
A. Remove control box cover.
B. Remove wires from relay, note wire numbers and location for reinstallation.
C. Remove 2 screws from relay base and replace relay.
D. Reassemble in reverse order making sure wire connections are properly seated.
E. Check system operation.
THERMOSTAT, COOLING FAN – REPLACEMENT
A. Remove appropriate control box cover.
B. Remove 2 wires from thermostat, note wire number and location.
C. Remove 2 mounting screws and replace thermostat.
D. Reassemble in reverse order and check system operation.
ELECTRONIC TEMPERATURE CONTROL – REPLACEMENT
A. Remove control box cover and front panel.
B. Identify correct control and remove wires from control. Note wire number
C. and location for reinstallation.
D. Remove temperature control from mounting tabs.
E. Reassemble in reverse order and check system operation.
TEMPERATURE SETTING FOR NEW TEMPERATURE CONTROL BOARD
PROCEDURE FOR SETTING MAXIMUM TEMPERATURE POTENTIOMETER
NOTE: When replacing temp. control, turn oven temperature control to its maximum heat position
and allow 30 minute preheat before calibrating. Connect temperature probe to the oven
thermocouple leads at the temperature control board and adjust potentiometer to a maximum
temperature of 600
° F.(see diagram above )
HIGH LIMIT THERMOSTAT – REPLACEMENT
A. Remove appropriate control box cover.
B. Remove 2 wires from thermostat, note wire numbers and location for reinstallation
C. Remove screws from bracket and remove thermostat.
D. Reassemble in reverse order and check system operation.
NOTE: Depress reset button to insure thermostat is set for operation.
COOLING FAN MOTOR – REPLACEMENT
A. Remove appropriate control box cover.
B. Remove 4 mounting screws.
C. Unplug electrical connector and remove fan motor.
D. Reassemble in reverse order and check system operation.
MAIN FAN MOTOR – REPLACEMENT
A. Shut off gas supply and remove gas line and manifold lines from back of oven.
B. Remove screws from motor cover housing and lift off.
NOTE: When ovens are stacked, all motor cover housings are fastened together.
C. Unplug power connector.
D. Unplug thermocouple.
E. Unplug 2 motor connectors.
F. Remove 8 bolts from oven back ( 4 left, 4 right ) and lift out.
G. Remove 1 screw from fan hub and slide fan blade off of motor shaft.