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Page Title: M1089 MATERIAL HANDLING CRANE (MHC) BOOM UP DOES NOT OPERATE FROM REMOTE STATION (cont)
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TM 9-2320-366-20-2
TM
e124. M1089 MATERIAL HANDLING CRANE (MHC) BOOM UP DOES NOT OPERATE FROM REMOTE STA-
e124.
TION (CONT)
KNOWN INFO
TEST OPTIONS
2.
Other crane functions from
Continuity Test or
Is continuity present
remote station OK.
STE/ICE Test #91
REASON FOR QUESTION
from boom up solenoid
Remote control box OK.
If continuity is not present,
cable connector pin 2
BOOM UP/DOWN
boom up solenoid cable
to ground and from
controller OK.
POSSIBLE PROBLEMS
is faulty. If continuity is
pin 1 to terminal board
Faulty boom up solenoid
present, boom up
lower position 13?
cable.
solenoid is faulty.
Faulty boom up solenoid.
NO
Replace boom up solenoid
cable (para 7-108).
YES
Notify DS Maintenance.
2-1332

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