Bunn FMD-1 FMD-2 service manual AUGER DRIVE COMPONENTS - FMD-1 CONT, Service

Models: FMD-1 FMD-2

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AUGER DRIVE COMPONENTS - FMD-1 (CONT.)

SERVICE

AUGER DRIVE COMPONENTS - FMD-1 (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 (17) over the pins (16) on hopper support plate (12) and slide hopper as- sembly out the front of the dispenser.

3.Remove hopper lid (1) and empty product.

4.Pull off the ejector elbow (15).

5.Remove retainer clip (11) and washer (10) from the bottom of the hopper base (9).

6.Remove whipper shaft (3), wiper blade (4) and wiper drive gear (5) from the hopper base (9).

7.Remove auger wire (14) by pulling it out the front of the hopper base (9).

8.On Early models, remove auger drive shaft (13) by removing the retaining clip (6) from auger drive shaft. On Late models, remove the auger drive bracket (7) by unscrewing left hand threads from the auger shaft (13).

9.Slide spacer (8) and auger drive shaft bracket (7) off of the auger drive shaft (13).

10.Remove auger drive shaft (13) from hopper base

(9).

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 (17) in the dispenser by sliding hopper assy on the hopper support plate (12) until the slot in the rear of the hopper base (9) seats against the pins (16) in the hopper support plate (12).

 

1

 

 

2

 

 

 

3

 

 

4

 

7

5

 

 

13

 

 

14

 

8

15

 

9

 

 

10

 

 

11

 

 

6

 

 

Early Models

 

 

 

17

 

 

12

 

 

16

18

19 20 21

 

 

 

P1667

FIG. 2 AUGER DRIVE & HOPPER DISASSEMBLY

1.

Hopper Lid

12.

Hopper Support Plate

2.

Hopper

13.

Auger Drive Shaft

3.

Wiper Shaft

14.

Auger Wire

4.

Wiper Blade

15.

Ejector Elbow

5.

Wiper Drive Gear

16.

Hopper Locating Pins

6.

Retainer Clip

17.

Hopper Assembly

7.

Auger Drive Bracket

18.

Auger Motor Bracket

8.

Spacer

19.

Auger Motor

9.

Hopper Base

20.

Dust Seal

10.

Washer

21.

Auger Motor Mount-

11.

Retainer Clip

 

ing panel

14

29112 011906

 

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Bunn FMD-1 FMD-2 service manual AUGER DRIVE COMPONENTS - FMD-1 CONT, Service