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TM 9-2320-364-20-3
2-2454
13. LHS DOES NOT LOAD IN AUTO MODE (CONT).
9.
Do appropriate LHS control
assembly indicator lights
come on?
Replace LHS control
assembly
(Para 7-40).
Verify repair, go to
Step 10 of this Fault.
YES
NO
LHS operates in MAN HA
position.
LHS operates in MAN MF
position.
Proximity switch (main frame
down) adjustment OK.
Wire 1484 OK.
Hydraulic selector switch OK.
Wire 1461 OK.
Wire 1435 OK.
Proximity switch (main frame
down) OK.
Wire 1469 OK.
LHS control assembly faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
If MAIN RAM B SOL and HOOK
ARM B SOL LHS control
assembly indicator lights do not
come on with LHS in transit
position and joystick in LOAD
position, LHS control assembly is
faulty and 22 to 28 vdc will not be
present at DC valves.
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