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TM 9-2320-364-20-3
2-2716
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 OK.
Outrigger/mast shutdown valve
harness connector black
wire OK.
WINCH/CRANE switch OK.
Wire 1731 OK.
Black wire from truck connector
MC29 to system shutdown
relay OK.
System shutdown relay OK.
White wire from system
shutdown relay to crane
junction box, terminal 3 OK.
Main hydraulic pressure valve
harness connector white
wire OK.
Main hydraulic pressure valve
harness connector black wire
faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
YES
NO
Repair black wire (see
schematic Fig 2-58)
or notify DS
Maintenance.
Verify repair, go to
Step 24 of this Fault.
23.
Is continuity measured
between main hydraulic
pressure valve harness
connector, terminal 2 and
black wire?
Fault not corrected.
Notify DS
Maintenance.
If connector black wire is loose
or faulty, main hydraulic
pressure valve solenoid will not
be grounded.
WARNING
Read WARNING
on Page 2-2717
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