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SERVICE (cont.)
BALLAST (all Models)
J4
J1
J2
J3
J4
J1
J2
J3
Location
The front door lamp ballasts are located behind
the front access panel and may be on either side of the
component bracket assembly.
Test Procedure
1. Disconnect the dispenser from the power source.
2. Disconnect the two black leads on the ballast from
the main harness.
3. Check for continuity between the two black leads
on the ballast.
If continuity is present as described the ballast is op-
erating properly.
If continuity is not present as described, replace the
ballast.
BLK to BLK
from Main
Wiring Harness
BLK to RED from
Main Harness
P1447
FIG. 9 BALLAST TERMINALS
Removal and Replacement
1. Loosen the three #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 leads on each ballast can
be disconnected from the main wiring harness and
the door interconnect harness.
3. Remove the two #8-32 screws securing each ballast
to the rear of the component bracket.
4. Remove and discard the ballast.
5. Install new ballast on the rear of the component
bracket and secure each with two #8-32 screws.
6. Refer to schematic wiring diagrams when recon-
necting the wires.
7. Place the component bracket into position and
tighten the two #8-32 screws securing the com-
ponent bracket to the dispenser housing base.
P4095
FIG. 8 BALLASTS
FMD-4 shown
42672 122209