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TM 9-2320-364-20-3
2-2702
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.
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
Voltage test.
STE/ICE-R #89.
YES
NO
Go to Step 17 of this
Fault.
16.
Are 22 to
28 vdc
measured
at main hydraulic pressure
valve harness connector,
terminal 1 with ENGINE
switch ON and hydraulic
selector switch in
CRANE/SRW position?
Go to Step 23 of
this Fault.
If 22 to 28 vdc are not present,
component supplying voltage is
faulty.
WARNING
Read WARNING
on Page 2-2703
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