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Bunn G9-2T DBC User Manual

Page 47

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47

SERVICE (Cont.)

Timer (Model LPG-2E)

Timer (Models LPG, FPG)

P1748

FIG. 49 TIMER

Location:

The timer is located inside the rear access panel.

Adjustments can be made by removing the 2” hole

plug.

Test Procedure:

1. Disconnect grinder from the power source.

2. Insert the leads of a voltmeter set to read at least

120 volts AC, along side the red wire (terminal 1)

and the white/black wire (terminal 2) of the harness

plug. Place the Off/On/Start switch in the “ON”

center position. Connect the grinder to the power

source. The indication must be 120 volts AC for

120 volt models, 100 volts for 100 volt models,

and 230 volts for 230 volt models.

3. Disconnect the grinder from the power source.

If voltage is present as described, proceed to step

#4.

If voltage is not present as described, refer to the wiring

diagram and check the grinder wiring harness.

4. Insert the positive (+) lead of a volt meter set to

read at least 120 volts DC (157 volts DC on units

with capacitor), along side the black wire (terminal

3) of the harness plug and insert the negative (-)

lead along side the white wire (terminal 6) of the

harness plug. Place the Off/On/Start switch in the

“START” lower position. Connect the grinder to the

power source. The indication must be 120 volts DC

for 120 volt models (157 volts DC on units with

capacitor), 100 volts for 100 volt models, and 230

volts for 230 volt models for the set time and return

to 0 volts.

5. Disconnect the grinder from the power source.

If voltage is present as described the timer is operating

properly.

If Voltage is not present as described, replace the

timer.

5. Remove timer and timer mounting bracket from

the grinder.

6. Remove the four #6-32 keps nuts securing the timer

to the mounting bracket. Leave the four spacers on

the mounting bracket studs.

7. Place new timer over the studs on the mounting

bracket and secure with four #6-32 keps nuts.

8. Slip timer and timer mounting bracket under the

two screws on the motor support plate and tighten

screws.

9. Locate the left and right timer dials in their proper

place on the rear panel and secure with nuts and

internal tooth lockwashers.

10. Place timer knobs on timers.

11. Reconnect harness plug to the terminal block on

the timer board.

41545 122209

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