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Page Title:
M1084/M1086 MATERIAL HANDLING CRANE (MHC) DOES NOT OPERATE FROM REMOTE CONTROL (cont) |
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 TM 9-2320-366-20-2
TM
e105. M1084/M1086 MATERIAL HANDLING CRANE (MHC) DOES NOT OPERATE FROM REMOTE CONTROL
e105.
(CONT)
KNOWN INFO
TEST OPTIONS
2.
Battery voltage OK.
Continuity Test or
Is continuity present
Main power circuit breaker
STE/ICE Test #91
from one end of external
REASON FOR QUESTION
switch OK.
If continuity is not present,
remote control cable
Input connector OK.
external remote control
pin E to other end of
Crane power cable OK.
cable is faulty.
external remote control
Reverse polarity diodes
cable pin E?
OK.
Control lockout relay OK.
Left outrigger proximity
NO
sensing switch cable
assembly OK.
Right outrigger proximity
sensing switch cable
assembly OK.
Junction box internal
Replace external remote
wiring OK.
YES
control cable.
Overload shutdown
system OK.
Hydraulic system
shutdown relay OK.
Remote control cable OK.
POSSIBLE PROBLEMS
Faulty external remote
control cable.
Faulty remote control box
ON/OFF switch.
2-1172
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