Lincoln IMPINGER 1100, Service Manual

Page: 48 / 72

Impinger II –1100 Series Service Manual - Domestic 48
TO REVERSE CONVEYOR DIRECTION ON STEPPER DRIVE SYSTEM
1. Shut off power at main breaker.
2. Remove conveyor.
3. Remove front control box cover.
4. Change position of dip switch #1 on stepper control board as described on page 46.
5. Reassemble in reverse order.
TRANSFORMER - STEPPER MOTOR CONTROL
1. Shut off power at main breaker.
2. Remove conveyor.
3. Remove front cover.
4. Disconnect transformer wire harness.
5. Remove two (2) mounting screws.
6. Reassemble in reverse order.
HALL EFFECT SENSOR - REPLACEMENT
Remove two (2) mounting screws and remove sensor from conveyor motor. Reinstall in
reverse order.
TYPE OF GAS INCHES of CENTIMETERS of kPa Mbar
WATER
COLUMN
WATER COLUMN
NATURAL GAS 3.5" WC 8.9 cm WC .87kPa 8.70Mbar
L..P. GAS 10"WC 25.4 cm WC 2.48kPa 24.8Mbar
CITY/TOWN GAS 1.4"WC 3.56 cm WC .35kPa 3.5Mbar
AIR PRESSURE SWITCH, BURNER OR OVEN CAVITY
TO REPLACE AIR SWITCH :
1. Shut off power at main breaker.
2. Remove conveyor.
3. Remove rear control compartment cover.
4. Remove cover of air switch exposing adjustment screw.
5. Disconnect and mark wires for proper reassembly.
6. Remove air tube and remove switch from hanger.
7. Reinstall in reverse order, making sure wires are properly attached and air tube is properly attached,
unblocked and aligned properly to avoid crimping.
TO CALIBRATE AIR SWITCH :
1. If switch will not activate when blower pressure is supplied, turn adjustment screw counter clockwise (-).
2. If switch will not deactivate when blower pressure is eliminated, turn adjustment clockwise (+).