Bunn 1SH & 2SH STAND - Manual (Page 6)

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
+
A
C
A
C