Bunn FMD-5 - Manual (Page 14)

14
SERVICE
AUGER DRIVE COMPONENTS - FMD-4 (CONT.)
5. Check the voltage across the positive (red wire)
terminal and the negative (black wire) terminal on
the auger motor with a voltmeter. With the rinse/
run switch in the run (lower) position press and
hold the dispense switch. Connect the dispenser
to the power supply. After a .6 second delay the
indication must be 4.0 to 24.5 volts dc.
If voltage is present as described, the auger motor
drive is operating properly. If auger does not turn,
replace the auger motor.
If voltage is not present as described, replace the
auger hopper drive board.
Removal, Cleaning and Replacement
Hopper & Auger
1. Open the dispenser door and raise the top front
cover.
2. Lift the hopper assy (15) over the pins on hopper
support plate (11) and slide hopper assembly out
the front of the dispenser.
3. Remove hopper lid (1) and empty product.
4. Pull off the ejector elbow (14).
5. Remove retainer clip (10) and washer (9) from the
bottom of the hopper base (8).
6. Remove whipper shaft (3), wiper blade (4) and
wiper drive gear (5) from the hopper base (8).
7. Remove auger wire (13) by pulling it out the front
of the hopper base (8).
8. Remove auger drive bracket (6) by unscrewing left
hand threads from auger drive shaft (12).
9. Slide spacer (7) and auger drive shaft bracket (6)
off of the auger drive shaft (12).
10. Remove auger drive shaft (12) from hopper base
(8).
11. Wash components in a mild solution of dish deter-
gent using a bristle brush when needed.
12. Rinse and dry each item thoroughly.
13. Check for damaged or broken components, re-
place any if necessary and reassemble hopper
assembly.
14. Install hopper assy (15) in the dispenser by sliding
hopper assy on the hopper support plate (11) until
the slot in the rear of the hopper base (8) seats
against the pins in the hopper support plate (11).
FIG. 2 AUGER DRIVE & HOPPER DISASSEMBLY
1. Hopper Lid
2. Hopper
3. Wiper Shaft
4. Wiper Blade
5. Wiper Drive Gear
6. Auger Drive Bracket
7. Spacer
8. Hopper Base
9. Washer
10. Retainer Clip 11. Hopper Support Plate
12. Auger Drive Shaft
13. Auger Wire
14. Ejector Elbow
15. Hopper Assembly
16. Auger Motor Bracket
17. Auger Motor
18. Dust Seal
19. Auger Motor Mounting
panel
1
2
6
7
8
9
10
3
4
5
12
13
14
15
16 17 18 19 11
P2633
35135 012103