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Impinger I – Adv Digital – Gas Service Manual – International
17
6. Remove assembly and replace main orifice.
7. Reassemble in reverse order and check system operation.
NOTE: Check all gas line fittings for leaks.
PILOT ORIFICE - REPLACEMENT
1. Shut off power at main breaker.
2. Shut off gas supply.
3. Remove burner assembly (See "Burner Assembly").
4. Remove pilot line from pilot orifice.
5. Remove pilot orifice from burner ignitor.
6. Reassemble in reverse order.
NOTE: Check all gas line fittings for leaks.
ON-OFF SWITCH - REPLACEMENT
1. Shut off power at main breaker.
2. Remove control box cover.
3. Remove access cover.
4. Depress spring clips on side of switch and push out.
5. Remove wires from back of switch, note wire number and location.
6. Reassemble in reverse order and check system operation.
NOTE: Make sure switch housing is fully seated in control box housing.
OVEN CONTROL – REPLACEMENT
A. Shut off power at main breaker.
B. Remove control box cover and front panel.
C. Remove all wiring connections and mark for reassembly.
D. Remove oven control by pulling control from the mounting pins. Remove control from oven.
E. Before installing new oven control, set voltage jumper (located at the bottom center of the
oven control) to the proper voltage (120V/240V) position. Install the four pushbutton extensions
(included with the oven control) by pushing the extensions onto the four set buttons on control.
F. Reassemble in reverse order and check system operation.
G. Set the oven control for the proper operating mode. The 1400 series ovens use a single temperature control
system. The oven control must be set to the proper operating mode. Set the control as follows: With the oven
power switch “off”, depress the “time” and “up” buttons and turn the oven “on”. Control will indicate
“Imp I or Imp II” Release the buttons. Press the “up” or “down” button until “Imp I” and “temp to store” appears
on the display. Press the “temp” button. The control is now set for Impinger I conveyor and single burner
operation.
FUSE HOLDER – REPLACEMENT
1. Shut off power at main breaker.
2. Remove control box cover.
3. Remove all wiring from fuse holder and mark for reassembly.
4. Remove mounting nut for fuse holder and remove fuse holder.
5. Reassemble in reverse order and check system operation.
BEARING, CONVEYOR – REPLACEMENT
1. Remove conveyor from oven and place on flat work surface.
2. Remove connecting links from conveyor belt. See Installation and operations manual.
3. Remove conveyor belt from conveyor. Remove drive sprocket from drive shaft if required.
4. Move shaft toward end of conveyor, and shaft with bearings will now slip out of holding bracket.
5. Replace bearing and reassemble in reverse order.