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TM 9-2320-364-20-3
2-2440
13. LHS DOES NOT LOAD IN AUTO MODE.
INITIAL SETUP
1.
Is clearance between proximity
switch (main frame down) and
compression frame .125 .01
in. (3.175 .25 mm) with middle
frame down completely?
Adjust proximity
switch (Para 7-39).
Verify repair, go to
Step 10 of this Fault.
START
YES
NO
LHS operates in MAN HA
position.
LHS operates in MAN MF
position.
Proximity switch (main frame
down) not adjusted correctly.
Wire 1484 faulty.
Hydraulic selector switch
faulty.
Wire 1461 faulty.
Wire 1435 faulty.
Proximity switch (main frame
down) faulty.
Wire 1469 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
control box.
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)
LHS in transit position, (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)
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