Frother - Bunn FMD-3 Operating & Service Manual

SERVICE (cont.)
FROTHER AND WHIPPER MOTOR
FIG. 15 FROTHER AND WHIPPER MOTOR
Location:
The frothers are located behind the dispenser door,
mounted on the whipper motor shaft inside the whipper
chamber.
The whipper motors are located on the back side
of the whipper motor mounting panel.
Test Procedure:
1. Check that the rinse/run switch is in the rinse (up)
position.
2. Disconnect the dispenser from the power source.
3. Disconnect the white/violet and white wires on the
right motor, orange and white wires on the center
motor or the red and white wires on the left motor
from the black leads on the motors.
4. Press and hold the appropriate dispense switch
and, with a voltmeter, check the voltage across the
disconnected harness. Connect the dispenser to the
power source. The reading must be:
a) 120 volts ac for two wire 120 volt models, three
wire 120/208 volt and 120/240 volt models.
b) 240 volts ac for two wire 240 volt models.
c) 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 Wiring
Diagrams and check the dispenser wiring harness
P1641.40
10
FIG. 16 MIXING/WHIPPER CHAMBER
1. Steam Collector
2. Mixing Chamber
3. Dispense Tip
4. Whipper Chamber
5. O-Ring
6.

Frother

7. Nut
Removal, Cleaning and Replacement (Refer to Fig.
16):
1. Open the dispenser door and raise the top front
cover.
2. Lift the front edge of each hopper assembly over
the tab on the hopper support panel and slide each
hopper assembly out the front of the dispenser. Set
aside for reassembly.
3. Remove the four #8-32 screws securing the hopper
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 forward
and at the same time twisting it clockwise.
25
9 8 7 6 5 4 3
COMPONENTS
8. Receptacle w/Seal
9. Slinger
10. Motor Assy.
11. Fan
12. Vacuum Hose
13. Baffle
11 12 13
1 2
P1630.35
29170 090407