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TM 9-2320-364-20-3
2-2422
12. MIDDLE FRAME DOES NOT LOAD IN MANUAL MODE.
INITIAL SETUP
1.
Are LHS hydraulic hoses 2887,
2888, 2889, 2890, 2666 and
2588 free of damage leaks and
are fittings free of leaks?
Tighten loose fittings
or replace hoses
(Para 20-3 and
schematic Fig 2-55).
Verify repair, go to
Step 9 of this Fault.
START
NO
Nothing.
LHS hoses leaking or damaged.
Wire 1490 faulty.
Wire 1481 faulty.
Hydraulic selector switch
faulty.
LHS control assembly faulty.
Wire 1468 faulty.
Wire 1435 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
Leaking or damaged hoses or
fittings may not deliver adequate
supply pressure to middle frame
cylinders.
2-28. LOAD HANDLING SYSTEM (LHS) 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)
Jumperwire
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
WARNING
Materials/Parts
Lockwasher (4) (Item 180, Appendix F)
Adhesive (Item 8, Appendix C)
YES
Read WARNING
on Page 2-2423
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