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36
TRANSFORMER (cont.)
SERVICE (cont.)
5. Check the voltage between J3-5 and J3-6 on the
six pin connector at the control board. Connect the
dispenser to the power source. The indication
must be 24 volts ac.
If voltage is present as described the transformer is
operating properly.
If voltage is not present as described, replace the
transformer.
Removal and Replacement:
1. Loosen the two #8-32 screws securing the com-
ponent bracket to the dispenser housing base.
2. Pull component bracket out the front of the dis-
penser far enough so the transformer connector
can be disconnected from the main wiring har-
ness.
3 Disconnect the transformer four pin connector
from the four pin plug on the main wiring harness.
4. Remove the two #6-32 keps nuts securing the
transformer to the rear of the component bracket.
5. Remove and discard the transformer.
6. Install new transformer on the rear of the compo-
nent bracket and secure with two #6-32 keps nuts.
7. Connect the four pin connector on the transformer
to four pin plug on the main wiring harness.
8. Place the component bracket into position and
tighten the two #8-32 screws.
WHI/BLK - T12
WHI/GRN - T8
WHI - 120V T2, 240V T6
BLK - TI
FIG. 39 TRANSFORMER TERMINALS
P1647
29170 091598