Bunn G9-2T DBC, LPG-2, G9WD, FPG-2 DC MOTOR AND GRIND CHAMBER - G1MD ONLY cont, SERVICE Cont

SERVICE (Cont.)

DC MOTOR AND GRIND CHAMBER - G1MD ONLY (cont.)

10.Remove motor and bracket out the rear of the grinder housing.

11.Remove the two .250”-20 screws securing the motor to the front of the mounting bracket.

12.Remove the two #10-32 screws securing the mo-

tor to rear of the mounting bracket.

13 Remove motor from bracket.

BLU to BLU from Rectifier

BLU to WHI/BLU from

Relay (3)

RED to Rectifier (-)

BLK to Rectifier (+)

14.Clean all grinding burrs and mounting surfaces before reassembly.

FIG. 7 DC MOTOR TERMINALS

P1710

15 Place the new motor with hopper collar into posi- tion on the motor mounting bracket.

16.Using two .250”-20 screws secure the motor to the front of the mounting bracket.

17.Using two #10-32 screws secure the motor to the rear of the mounting bracket

18.Install motor and bracket through the rear of the grinder, position on the grinder housing bracket and secure with four .312”-18 screws (20), rubber washers (22) and flat washers (21).

19.Install stationary burr (9) to the grind chamber housing using two .250”-20 screws (8).

20.Install burr (7), burr auger rotor/spring assembly

(3) and burr rotor disc (4) on to motor shaft.

21.Install grind selector dial plate and grind selector knob assembly (2) on the grind chamber housing and secure with two .250”-20 screws.

22.Refer to Fig. 7 and reconnect the wires to the motor and Fig. 37 and reconnect the wires to the rectifier.

23.Refer to ADJUSTMENTS section and reset the burrs.

Removal and Replacement - Grind Chamber - Refer to Fig. 8:

1.Loosen the two set screws (16) securing the grind selector knob to the grind selector dial plate (18) and remove knob.

2.Remove the adjusting screw w/bearing (19). In- spect adjusting screw w/bearing for wear. Replace if excessively worn or damaged.

3.Remove the two .250”-20 screws (1) securing the grind selector dial plate (18) to the grind housing and remove plate.

4.Slide burr auger rotor/spring assembly (3) off of the grinder motor shaft with burr (7) as an as- sembly.

5.Remove the two .250”-20 screws (5) securing burr (7) to burr auger rotor/spring assembly (6), remove burr (7) and burr rotor disc (4). Inspect burr (7) for wear. Replace if excessively worn or damaged.

6.Remove the two .250”-20 screws (8) securing the stationary burr (9) to grind chamber housing and remove burr. Inspect for wear. Replace if exces- sively worn or damaged.

NOTE: Burrs are serviced in sets of two with hard- ware.

7.Remove bushing (10) and washer (11) from grinder motor shaft. Inspect for wear. Replace if excessively worn or damaged.

8.Clean all grinding burrs and mounting surfaces before reassembly.

9.Install washer (11) and bushing (10) onto the grinder motor shaft.

10.Install stationary burr (9) inside the grind chamber and secure with two .250” -20 screws (8).

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