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TM 9-2320-364-20-4
2-3185
CONNECTOR
MC185
CHU
CONTROL
BOX
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.
CONTINUITY TEST
(1) Set multimeter select switch to ohms.
(2) Is there continuity between connector
MC185 terminal C and relay R50
terminal 87?
(a) If there is no continuity, repair
wire 1466B (see schematic
Fig 2-79) or notify DS Maintenance.
(b) If there is continuity, replace
proximity switch (hook arm up)
(Para 21-24) and perform Steps
(3) through (5) below.
(3) Install relay R50 (Para 21-23).
(4) Connect harness connector MC185 to
CHU control box.
(5) Install cover on CHU control box and
tighten four screws.
C
CHU
CONTROL
BOX
CONNECTOR
MC185
87
R50
86
87A
87
85
30
A
B
C
D
E
F
G
H
I
J
1466B
R52
R51
R50
SCREWS
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