Bunn FMD DBC-3 Operating & Service Manual page 29

SERVICE (cont.)
FROTHER AND WHIPPER MOTOR (cont.)
4. Press and hold the appropriate dispense switch
and check the voltage across the disconnected
harness wires with a voltmeter. Connect the
dispenser to the power source. The reading must
be:
a) 120 volts ac for two wire 120 volt models.
b) 120 volts ac for three wire 120/208 or 120/240
volt models.
c) 240 volts ac for two wire 240 volt models.
d) 230 volts ac for two wire 230 volt models.
5. Disconnect the dispenser from the power source.
If voltage is present as described, replace the motor.
If voltage is not present as described, refer to the wir-
ing diagrams and check the dispenser wiring harness.
10
9 8
FIG. 18 MIXING/WHIPPER CHAMBER
COMPONENTS
1. Steam Collector
2. Mixing Chamber
3. Dispense Tip
4. Whipper Chamber
5. O-Ring
6. Frother
7. Nut
11 12 13
1 2
7 6 5 4 3
8. Receptacle w/Seal
9. Slinger
10. Motor Assy.
11. Fan
12. Vacuum Hose
13. Baffle
Removal, Cleaning and Replacement (Refer to Fig. 18):
1. Open the dispenser door and raise the top front
cover.
2. Lift the front edge of the each hopper assembly
over the tab on the hopper support panel and slide
each hopper assembly out the front of the dis-
penser. Set aside for reassembly.
3. Remove the four #8-32 screws securing the hop-
per support panel to auger motor mounting panel
and the whipper motor mounting panel. Set aside
for reassembly.
4. Disconnect vacuum hose (12) from fan baffle (13).
5. Remove the steam collector (1) by pulling it for-
ward and at the same time twisting it clockwise.
6. Pull the mixing chamber (2) out of the whipper
chamber (4).
7. Remove the two #4-40 x .25" screws securing the
fan baffle (13) to the whipper motor mounting
panel and remove fan baffle. Set aside for reas-
sembly.
8. Remove dispense tip (3) and twist the whipper
chamber (4) clockwise and pull it off the whipper
chamber receptacle (8).
9. Pull the frother (6) off the motor shaft. Notice the
flat side on the shaft and the matching flat inside
the frother. It is important that these two flats are
lined up when reassembling.
10. Slip the O-ring (5) off the whipper chamber recep-
tacle (8).
11. To remove the receptacle rotate clockwise until the
receptacle clears the nuts (7) and slide off of the
motor shaft.
12. Slide the slinger (9) off of the motor shaft.
13. Remove the two nuts (7) securing whipper motor
(10) to the front panel.
14. Disconnect the black leads on the motor (10) from
the main wiring harness.
15. Remove motor and discard.
16. Install new motor (10) on rear of front panel and
secure with two nuts (7) and connect black leads
on the motor to the main wiring harness. Refer to
P1630.35
Fig. 18 when reconnecting wires
17. Slide slinger (9) onto the motor shaft flush against
the front panel.
18. Wash remaining components in a mild solution of
dish detergent using a bristle brush.
19. Rinse thoroughly and allow to dry before reinstall-
ing in the dispenser.
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