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Page Title:
M1089 MATERIAL HANDLING CRANE (MHC) DOES NOT OPERATE FROM REMOTE CONTROL (CONT) |
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 TM 9-2320-366-20-2
TM
e121. M1089 MATERIAL HANDLING CRANE (MHC) DOES NOT OPERATE FROM REMOTE CONTROL (CONT)
e121.
KNOWN INFO
TEST OPTIONS
3.
Battery voltage OK.
Continuity Test or
Is continuity present
Overload shutdown
STE/ICE Test #91
REASON FOR QUESTION
from one end of crane
system OK.
If continuity is not present,
remote control box
Hydraulic system
crane remote control box
connector pin J to other
shutdown relay OK.
is faulty.
end of crane remote
Remote control cable OK.
control box connector
External remote control
pin H?
cable OK.
POSSIBLE PROBLEMS
Faulty crane remote
NO
control box.
Replace ON/OFF switch
(para 7-32).
YES
Repair crane remote control
box wiring harness (para 7-32).
2-1304
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