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TM 9-2320-364-20-3
2-2346
8. LHS DOES NOT OPERATE (CONT).
4.
Are 22 to
28 vdc
measured
at free flow
valve harness connector,
terminal 2 with hydraulic
selector switch in MAN HA,
ENGINE switch ON and
joystick in LOAD position?
Go to Step 5 of this
Fault.
YES
NO
SRW operates.
Crane operates.
LHS light operates.
LHS hoses OK.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If there are not 22 to 28 vdc
present, component supplying
voltage to free flow solenoid
valve is faulty.
WARNING
Hydraulic selector switch faulty.
LHS control assembly faulty.
Wire 1462 faulty.
Wire 1435f from free flow
solenoid valve faulty.
LHS control assembly faulty.
Wire 1734 faulty.
Wire 1435 from LHS supply
solenoid valve faulty.
LHS supply solenoid valve
faulty.
Go to Step 8 of this
Fault.
Read WARNING
on Page 2-2347
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