Bunn 1SH & 2SH STAND

Page 6

SERVICE (cont.)

RECTIFIER

FIG. 6 RECTIFIER

Location:

The rectiﬁer(s) is located inside on the right side of

the stand housing just to the right of the transformer

for 1SH Stand and on the right and left side of the

stand housing for 2SH Stand.

Test Procedures:

1. Disconnect the stand from the power source.

2. Remove the red wire and the black wire from the

rectiﬁer.

3. Check the voltage across the (+) and (-) terminals

on the rectiﬁer with a voltmeter. Connect the stand

to the power source. The indication must be 24

volts dc.

4. Disconnect the stand from the power source.

If voltage is present as described, the rectiﬁer is op-

erating properly.

If voltage is not present as described, refer to the

stand wiring diagrams and check the stand wiring

harness.

RECTIFIERS (cont.)

Removal and Replacement:

1 Disconnect the wires from the rectiﬁer.

2. Remove the #6-32 truss head screw securing the

rectiﬁer to the stand housing.

3. Remove the rectiﬁer and discard.

4. Install new rectiﬁer in the stand housing and secure

with a #6-32 truss head screw.

5. Refer to Fig 7 and reconnect the wires.

FIG. 7 RECTIFIER TERMINALS P1381

P1403.40