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TM 9-2320-364-20-3
2-2892
3. LHS, WINCH, AND CRANE DO NOT OPERATE (CONT).
Fan operates.
Wire 1755 OK.
Wire 1453 OK.
Wire 1488 OK.
LHS control assembly OK.
Hydraulic selector switch OK.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Verify repair.
If LHS, winch and crane
operate, fault has been
corrected.
YES
NO
Fault not corrected,
Notify DS
Maintenance.
6.
Do LHS, winch and crane now
operate normally?
Fault corrected.
5.
Replace hydraulic
selector switch
(Para 7-31).
Verify repair, go to
Step 6 of this Fault.
YES
NO
Fan operates.
Wire 1755 OK.
Wire 1453 OK.
Wire 1488 OK.
LHS control assembly OK.
Hydraulic selector switch faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
If hydraulic selector switch is
faulty, 22 to 28 vdc will not be
input to LHS, winch or crane.
WARNING
Is con-
tinuity
measured
between hydraulic selector
switch connector MC94,
terminal D and connector
MC93, terminal A with
selector switch in CRANE/
SRW position?
Read WARNING
on Page 2-2893
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