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Page Title:
M1084/M1086 MATERIAL HANDLING CRANE (MHC) DOES NOT OPERATE FROM REMOTE CONTROL |
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 TM 9-2320-366-20-2
TM
INITIAL SETUP
Equipment Condition
Tools and Special Tools
Engine shut down (TM 9-2320-366-10-1).
Tool Kit, Genl Mech (Item 46, Appendix C)
STE/ICE-R (Item 41, Appendix C)
Personnel Required
Multimeter, Digital (Item 22, Appendix C)
(2)
References
TM 9-4910-571-12&P
START
KNOWN INFO
TEST OPTIONS
1.
Battery voltage OK.
Continuity Test or
Is continuity present
Main power circuit breaker
STE/ICE Test #91
REASON FOR QUESTION
from remote control
switch OK.
If continuity is not present,
cable pin E to terminal
Input connector OK.
remote control cable is
board position 25?
Crane power cable OK.
faulty.
Reverse polarity diodes
OK.
Control lockout relay OK.
NO
Left outrigger proximity
sensing switch cable
assembly OK.
Right outrigger proximity
sensing switch cable
assembly OK.
Replace remote control
Junction box internal
cable (para 7-96).
wiring OK.
Overload shutdown
YES
system OK.
Hydraulic system
shutdown relay OK.
POSSIBLE PROBLEMS
Faulty remote control
cable.
Faulty external remote
control cable.
Faulty remote control box
ON/OFF switch.
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