Bunn POWDER AUTO FILL - Manual (Page 22)

22
SERVICE (cont.)
FIG. 15 MAIN POWER ON/OFF SWITCH
MAIN POWER ON/OFF SWITCH
P1923
Location:
The main power switch is located inside the dis-
penser on the right of the whipper motor mounting
panel.
Test Procedure:
1. Disconnect the dispenser from the power source.
2. Disconnect the black wires from the main wiring
harness.
3. With the switch in the ON (lower) position check for
continuity between the center and the upper termi-
nal. With the switch in the OFF (upper) position no
continuity should be present between center and
upper terminals.
If continuity is present as described, the main power
switch is operating properly.
If continuity is not present as described, replace the
switch.
FIG. 16 MAIN POWER ON/OFF
SWITCH TERMINALS
P1907
BLK from Power
Cord
BLK from Main
Harness
Removal and Replacement:
1. Disconnect the dispenser from the power source.
2. Open the dispenser door and remove the hopper
assembly out the front of the dispenser.
3. Remove the four #8-32 screws securing the hopper
support panel to the auger motor mounting panel
and the whipper motor mounting panel.
4. Slowly lift the hopper support panel up and discon-
nect the red/black and green wires from the hopper
switch.
5. Remove the switch mounting nut on the front of the
whipper motor mounting panel.
6. Remove switch with wires attached from the rear of
the whipper motor mounting panel.
7. Remove the wires from the switch terminals and
discard switch.
8. Connect the wires to the new switch, refer to Fig. 16.
9. Push new switch through hole in the whipper motor
mounting panel and secure with face nut.
10. Connect the red/black and green wires to the hop-
per switch. See Fig. 10 on page 17.
11. Install the hopper support panel to the auger motor
mounting panel and the whipper motor mounting
panel using the four #8-32 screws.
12. Install the hopper assembly.
29793 061599