Bunn G9-2 Grinder User Manual


 
23
SERVICE (Cont.)
1. Retaining Ring W/Hopper Gasket
2. Slide Plate, Solenoid Plunger and Spring
3. Spacer Plate
4. Mounting Ring, Solenoid and Solenoid Mounting
Plate
5. Setscrew, #8-32
6. Motor and Burr Housing
P1050
1
2
3
4
5
2
6
FIG. 11 SOLENOID AND GATES
8. Remove spacer plate (3) and set aside for reas-
sembly.
9. Lift solenoid bracket and solenoids (4) over the
motor and burr housing assembly (6) and set aside
for reassembly.
10. Remove the #8-32 setscrew (5) and set aside for
reassembly.
11. Lay motor on it’s side.
NOTE: Refer to Fig. 14 for the disassembly and assembly
of the burrs and rotor.
12. Remove the two #10-32 fillister head screw securing
burr housing cap (10) to the burr housing.
13. Remove cap, burr adjusting screw, decaffing plate
and decaffer support (10) as an assembly. Set aside
for reassembly.
14. Remove load disc (11) and set aside for reassem-
bly.
15. Slide rotor (12), lower burr (13) and spring (14)
as an assembly off the motor shaft, set aside for
reassembly.
16. Remove burr housing divider (8) and set aside for
reassembly.
NOTE: Inspect rotor. If rotor needs to be replaced,
remove the two #10-32 binding head screws securing
lower burr (13) to the rotor and remove burr. Install
lower burr (13) on new rotor (12) using two #10-32
binding head screws.
17. Slide spring retaining bushing (15) off the motor
shaft and set aside for reassembly.
18. Remove the two #10-32 binding head screws secur-
ing the upper burr (16) to the motor and housing
assembly (17).
19. Remove the upper burr (16) and set aside for reas-
sembly.
NOTE: If burrs need to be replaced, they must be re-
placed in matched pairs.
MOTOR (Models LPG & FPG)
41545 122209