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Page Title:
M1089 MATERIAL HANDLING CRANE (MHC) HOIST DOWN DOES NOT OPERATE FROM REMOTE STATION (cont) |
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 TM 9-2320-366-20-2
TM
e123. M1089 MATERIAL HANDLING CRANE (MHC) HOIST DOWN DOES NOT OPERATE FROM REMOTE
e123.
STATION (CONT)
KNOWN INFO
TEST OPTIONS
4.
Other crane functions from
Continuity Test or
remote station OK.
STE/ICE Test #91
Is continuity present
REASON FOR QUESTION
Hoist down solenoid
from remote control box
cable OK.
connector pin G to HOIST
If continuity is not present,
Hoist down solenoid OK.
UP/DOWN controller
remote control box internal
External remote control
internal wiring harness
wiring harness is faulty.
cable OK.
pin 4 and from remote
If continuity is present,
Remote control cable OK.
control box connector
HOIST UP/DOWN
pin H to HOIST UP/DOWN
controller is faulty.
POSSIBLE PROBLEMS
controller internal wiring
Faulty remote control
harness pin 1?
box internal wiring
harness.
Faulty hoist up/down
controller.
NO
Repair remote control box
YES
internal wiring harness
(para 7-32).
Replace HOIST UP/DOWN
controller (para 7-32).
2-1324
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