Bunn G9-2T DBC, LPG-2, G9WD, G1, FPG-2 Batch Selector Switch Model FPG, SERVICE Cont, ORN to TIMER

SERVICE (Cont.)

Batch Selector Switch (Model FPG)

P2947

FIG 32 BATCH SELECTOR SWITCH

Location:

The batch selector switch is located on the left front of the hopper housing.

Test Procedure:

1.Disconnect the grinder from the power source.

2.Open hopper lid and loosen four screws inside the hopper and remove hopper.

3.The ORN wire is connected to the common terminal "a" on the rear of the switch.

4.The TAN wire for the SMALL selection is connected to terminal 1, the GRY wire for the MEDIUM selec- tion is connected to terminal 2, the PNK wire for the LARGE selection is connected to terminal 3.

5.Remove all wires from the switch terminals.

6.Set the switch in the SMALL position. Check for continuity between terminal "a" and terminal 1.

7.Set the switch in the MEDIUM position. Check for continuity between terminal "a" and terminal 2.

8.Set the switch in the LARGE position. Check for continuity between terminal "a" and terminal 3.

If continuity is present at all positions, the switch is operating properly.

If continuity is not present at any position, replace the switch.

9. Refer to the Fig. 33 when reconnecting wires.

Removal and Replacement:

1.Disconnect the grinder from the power source.

2.Remove the four 8-32 screws attaching the rear access panel and move aside.

3.Remove all wires from the batch selector switch terminals.

4.Loosen the setscrew on the switch knob and remove the knob.

5.Remove the nut and lockwasher attaching the switch to the hopper housing.

6.Remove the 6-32 screw attaching the switch to the hopper housing.

7.Remove and discard the old switch.

8.Refer to Fig 33 when reconnecting wires.

ORN to TIMER

TAN to POTENTIOMETER
GRY to POTENTIOMETER
PNK to POTENTIOMETER	P787

FIG 33 BATCH SELECTOR SWITCH TERMINALS

36 41545 122209