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TM 9-2320-364-20-4
2-3072
2. INTERFACE KIT HYDRAULICS INOPERATIVE (CONT).
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
YES
NO
Go to Step 14 of this
Fault.
4.
Is LED #1 lamp illuminated?
If LED #1 lamp is not illuminated,
22 to 28 vdc may not be present.
WARNING
Read WARNING
on Page 2-3073
Hydraulic selector switch is in
CRANE/SRW mode.
LHS operates when nothing is
connected to interface quick
disconnect and hydraulic
selector switch is in AUTO
or MAN mode.
Batteries OK.
EMM module hooked up to truck
interface kit.
Circuit breaker CB29 not tripped.
Hoses and tubes OK.
Quick disconnect OK.
LED #3 lamp illuminated.
LED #1 lamp not illuminated.
Auxiliary supply valve faulty.
Circuit breaker CB29 faulty.
Wire 1789 from circuit breaker
CB29 to relay R36 terminal
30 faulty.
Relay R36 faulty.
Wire 1792 from relay R36
terminal 87 to LED #1 lamp
faulty.
LED #1 lamp faulty.
Wire 1792 from LED #1 lamp
to connector MC135 terminal
F and to connector MC134
terminal 1 faulty.
Wire 1435B from LED #1 lamp
to connector MC134 terminal
2 and to connector MC131
terminal C faulty.
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