SERVICE (cont.)

L.E.D

P749

Location:

The L.E.D is located on the front of the grinder just above hopper selector switch.

Test Procedure:

1.Unplug the grinder.

2.Remove the wire nuts from both sets of wires.

3.With a voltmeter set to read DC volts. Attach the positive (+) lead to the black and pink wires and the negative (-) lead to the gray wires.

4.Connect grinder to the power supply.

5.Initiate a grind cycle. Voltage should be approxi- mately 2 volts DC.

If the voltage is present as described the L.E.D. is operating properly.

If the voltage is not present as described proceed to #6.

6.After initiating a grind cycle in step #5 the volt- age was approximately 5 volts DC. Replace the L.E.D. If the voltage is approximately 0 volts re- fer to wiring diagrams and check the wiring har- ness.

Removal and Replacement:

1.Remove upper front inspection panel.

2.Disconnect PNK and GRY wires from L.E.D.

3.Using a 5/16" open end wrench remove nut on back of front housing securing L.E.D. Remove L.E.D and discard.

4.Install new L.E.D through front of grinder hous- ing and secure with nut.

5.Connect PNK and GRY wires from L.E.D. Refer to wiring diagram on pages 24 & 25.

Weigh Control Assembly - WDG-2

P941

Location:

The weigh control assembly is located behind the lower front inspection panel just under and behind the funnel rails.

23

10854 030300

 

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Image 23
Bunn manual Weigh Control Assembly WDG-2