Impinger I -–1000 Series Service Manual - Domestic42
PILOT ORIFICE - BURNER
1. Shut off power at main bre aker.
2. Shut off gas suppl y.
3. Remove burner assem bly (see Burner Assembly).
4. Remove pilot line from pilot orifice.
5. Remove pilot orifice fr om burner igniter.
6. Reassemble in revers e order.
MAIN ORIFICE - BURNER
1. Shut off power at main bre aker.
2. Shut off gas suppl y.
3. Unbolt temperature contr ol valve assembly (see Temperature Control Valve) and
carefully rotate to access main orifice bracket.
NOTE: Be sure not to damage capillary tube.
4. Remove main orifice f rom orifice bracket.
5. Reassemble in revers e order.
6. Check all gas fittings f or leaks.
POTENTIOMETER - CONVEYOR SPEED CONTROL
1. Shut off power at main bre aker.
2. Remove control panel to p and front panel.
3. Remove conveyor spe ed control dial.
4. Remove mounting nut fr om pot. shaft.
5. Remove pot. from fr ont panel.
6. Disconnect pot. wiring fr om conveyor control board.
7. Remove pot. assem bly.
8. Reassemble in revers e order.
DIAL, CONVEYOR SPEED CONTROL (NON-DIGITAL DISPLAY OVENS)
1. Shut off power at main bre akers.
2. Remove dial by loosen ing set screws.
3. Set new dial indicator to "000" in window and lock.
4. Turn speed control pot. sh aft to its minimum speed position.
5. Slide dial assem bly onto pot. shaft and tighten set screw.
DIAL, CONVEYOR SPEED CONTROL (OVEN WITH DIGITAL DISPL AY)
1. Shut off power at main bre aker.
2. Remove old dial b y loosening set screw.
3. Remove shaft locking n ut.
4. Install new shaft lock ing nut.
NOTE: This is a friction type locking nut do not try to trim this nut to fit.
5. Install new dial by slid ing over pot. shaft and tightening set screw.
CONVEYOR MOTOR REPLACEMENT - BODINE (SN 100-4389)
1. Shut off power at main bre aker.
2. Remove control panel to p and front panel.
3. Remove the conve yor drive chain from the motor sprocket.
4. Remove chain guard.
5. Remove the sprock et from the conveyor motor shaft by loosening the set screws and sliding
the sprocket off the shaft.
6. Unplug the conveyor m otor wiring harness.
7. Remove the four (4) m ounting bolts and nuts.
8. Reassemble in revers e order and calibrate the conveyor D. C. control board (See D. C. Motor
Control Board - Calibration, Bodine System).