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TM 9-2320-364-20-3
2-2700
10. OUTRIGGERS DO NOT OPERATE (CONT).
WINCH/CRANE switch in
CRANE position.
Self recovery winch operates.
Hose 2902 OK.
Crane hoses and tubes OK.
Wire 1738 OK.
White wire from truck connector
MC29 to rectifier OK.
Rectifier OK.
White wire from rectifier to
POWER switch OK.
POWER switch OK.
Black wire from POWER
switch to OSS OK.
OSS OK.
Red wire from OSS to crane
junction box, terminal 19 OK.
Outrigger/mast shutdown valve
harness connector white
wire OK.
Outrigger/mast shutdown
valve harness connector
black wire faulty.
WINCH/CRANE switch faulty.
Wire 1731 faulty.
Black wire from truck
connector MC29 to system
shutdown relay faulty.
System shutdown relay faulty.
White wire from system
shutdown relay to crane
junction box, terminal 3
faulty.
Main hydraulic pressure valve
harness connector white
wire faulty.
Main hydraulic pressure valve
harness connector black
wire faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #89.
YES
NO
Repair black wire (see
schematic Fig 2-58)
or notify DS
Maintenance.
Verify repair, go to
Step 24 of this Fault.
15.
Does outrigger/mast
shutdown valve harness
connector, terminal 2 have
continuity with black wire?
Fault corrected.
Verify repair, go to
Step 24 of this Fault.
If connector black wire is not
grounded, outrigger/mast
shutdown solenoid valve will not
operate.
WARNING
Read WARNING
on Page 2-2701
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