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TM 9-2320-364-20-4
2-3078
2. INTERFACE KIT HYDRAULICS INOPERATIVE (CONT).
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
YES
NO
Repair wire 1731
(see schematic Fig
2-76) or notify
DS Maintenance.
Verify repair, go to
Step 21 of this Fault.
7.
Are 22 to 28 vdc measured at
connector MC29 wire 1731
terminal D with the engine
switch in the ON position?
If wire 1731 from connector
MC135 terminal A to connector
MC29 terminal D is loose,
faulty, or shorted, 22 to 28 vdc
will not be present.
WARNING
Read WARNING
on Page 2-3079
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.
Jumper wire in S4 connector
terminals 1 and 5 OK.
Wire 1731 from connector S4
terminal 1 to connector MC29
terminal D faulty.
Wire 1731 from connector
MC29 terminal D to connector
MC135 terminal A faulty.
Wire 1731 from connector
MC135 terminal A to relay
R36 terminal 86 faulty.
LED #3 lamp faulty.
Wire 1435 from relay R36
terminal 85 to rectifier terminal
AC faulty.
Rectifier faulty.
Wire 1435A from connector
MC135 terminal H to
connector MC131 terminal A
faulty.
Relay R36 faulty.
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