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TM 9-2320-364-20-3
2-2308
6. LOSS OF MIDDLE FRAME SAFE LOWERING FUNCTION.
INITIAL SETUP
1.
Does middle frame lower
using transit valve manual
push button?
START
NO
Middle frame operates in
manual mode.
Middle frame safe lowering
button faulty.
Wire 1479 faulty.
Wire 1478 faulty.
Rectifier faulty.
Wire 1480 faulty.
Wire 1435 faulty.
Transit valve faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Operation test.
If middle frame lowers using
transit valve manual push button,
hydraulics are OK; problem is
electrical.
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)
Notify DS
Maintenance.
YES
Read WARNING
on Page 2-2309
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