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TM 9-2320-364-20-3
2-2884
3. LHS, WINCH AND CRANE DO NOT OPERATE.
INITIAL SETUP
1.
Repair wire 1755 (see
schematic Fig 2-52)
or notify DS
Maintenance.
Verify repair, go to
Step 6 of this Fault.
START
YES
NO
Fan operates.
Wire 1755 faulty.
Wire 1435 faulty.
Wire 1488 faulty.
LHS control assembly faulty.
Hydraulic selector switch faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If wire 1755 from CB 18 to LHS
control assembly is loose, faulty,
or shorted to ground, 22 to 28
vdc will not be input to LHS
control assembly.
2-31. HYDRAULIC SYSTEM TROUBLESHOOTING (CONT).
Tools and Special Tools
Tool Kit, General Mechanic’s: Automotive
(Item 74, Appendix G)
STE/ICE-R (optional) (Item 3, Appendix G)
Multimeter (Item 44, Appendix G)
Equipment Condition
Engine OFF, (TM 9-2320-364-10)
Parking brake applied, (TM 9-2320-364-10)
Wheels chocked, (TM 9-2320-364-10)
References
TM 9-2320-364-10
TM 9-4910-571-12&P
Are 22 to 28 vdc measured on
wire 1755 at connector MC83,
terminal E?
WARNING
Read WARNING
on Page 2-2885
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