|
| |
TM 9-2320-364-20-3
2-2458
14. LHS DOES NOT UNLOAD IN AUTO MODE.
INITIAL SETUP
1.
Is clearance between proximity
switch (hook arm up) and
middle frame .10 to .12 in. (2.54
to 3.05 mm.) with hook arm up
completely?
Adjust proximity
switch (Para 7-38).
Verify repair, go to
Step 10 of this Fault.
START
NO
LHS operates in MAN HA
position.
LHS operates in MAN MF
position.
Proximity switch (hook arm up)
not adjusted correctly.
Wire 1485 faulty.
Hydraulic selector switch faulty.
Wire 1461 faulty.
Wire 1435 faulty.
Proximity switch (hook arm up)
faulty.
Wire 1466 faulty.
LHS control assembly faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Proximity switch clearance test.
If proximity switch is not adjusted
correctly, 22 to 28 vdc will not be
present at LHS control assembly.
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
Materials/Parts
Lockwasher (4) (Item 180, Appendix F)
YES
|
