Bunn FMD-5 User Manual

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SERVICE (cont.)
HOPPER DRIVE BOARD - FMD-1 ONLY
J1 Connector for
Three Pin Plug from
Potentiometer
RED from Hopper
Motor
FIG. 28 HOPPER DRIVE BOARD TERMINALS
P1669
BLK from
Hopper Motor
RED/WHI from
Main Harness
WHI from Main
Harness
Removal and Replacement: (Refer to Fig. 27)
1.  Remove hopper assy (17), and set aside for reas-
sembly.
2.  Remove the four #8-32 screws securing the hopper 
support plate (12), remove plate and set aside for 
reassembly.
3.  Remove the four #8-32 screws, located inside the 
dispener housing on the lower right front of the auger 
motor mounting panel (21), securing auger motor 
mounting bracket (18) and auger motor (19) to the 
rear of the auger motor mounting panel (21). 
4.  Disconnect the wires from the terminals on the 
hopper drive board and disconnect the three pin 
plug (J1) from the hopper drive board.
5.  Remove auger motor mounting bracket (18), auger 
motor (19), dust seal (20) and hopper drive board 
as an assembly.
6.  Remove the two #8-32 screws securing the hopper 
drive board to the auger motor mounting bracket.
7.  Remove the two spacers from the hopper drive 
board and discard board.
8.  Install spacers on new hopper drive board.
9.  Install new hopper drive board to the auger motor 
mounting bracket using two #8-32 screws..
10. Refer to Fig. 22 and reconnect the wires to the 
hopper drive board terminals.
11. Connect three pin plug from the potentiometer to 
the hopper drive board J1.  Refer to Fig. 28.
12. Install auger motor mounting bracket with auger 
motor and hopper drive board to the rear of the auger 
motor mounting panel using four #8-32 screws.
13. Install hopper support plate using four #8-32 
screws.
14. Install hopper assy (17).
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