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TM 9-2320-364-20-4
2-3171
(1) Remove relay R50 from CHU control box
(Para 21-23).
(2) Set multimeter select switch to ohms.
(3) Is there continuity between relay R50,
terminal 85 and connector MC185,
terminal D?
(a) If there is no continuity, replace
CHU control box (Para 21-21).
(b) If there is continuity, wire 1495 is OK
perform Step (4) below.
(4) Install relay R51 (Para 21-23).
CONTINUITY TEST
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.
D
CHU
CONTROL
BOX
CONNECTOR
MC185
85
R50
86
87A
87
85
30
A
B
C
D
E
F
G
H
I
J
1495
R52
R51
R50
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