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TM 9-2320-364-20-4
2-3161
R52
R51
R50
Remove all jewelry such as rings, dog tags,
bracelets, etc. If jewelry or tools contact positive
electrical circuits, a direct short may result.
Damage to equipment, injury or death to
personnel may occur.
CHU
CONTROL
BOX
SCREWS
CHU
CONTROL
BOX
(1) Set multimeter select switch to ohms.
(2) Is there continuity between relay R51,
terminal 85 and known good ground?
(a) If there is no continuity, notify
DS Maintenance.
(b) If there is continuity, repair wire
1496 between connector MC190,
terminal A and connector MC185,
terminal G (see schematic
Fig 2-80) or notify DS Maintenance.
(3) Install relay R51 (Para 21-23).
(4) Position CHU control cover on box and
tighten four screws.
CONTINUITY TEST
85
1496
R51
86
87A
87
85
30
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