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Page Title:
M1089 MATERIAL HANDLING CRANE (MHC) BOOM UP LOCKOUT DOES NOT ACTIVATE (CONT) |
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 TM 9-2320-366-20-2
TM
e132. M1089 MATERIAL HANDLING CRANE (MHC) BOOM UP LOCKOUT DOES NOT ACTIVATE (CONT)
e132.
KNOWN INFO
TEST OPTIONS
3.
Battery voltage OK.
Continuity Test or
Input voltage to overload
STE/ICE-R #91
Is continuity present across
shutdown system OK.
REASON FOR QUESTION
boom up lockout solenoid
Hydraulic system shutdown
Boom up lockout will not
valve contacts?
solenoid OK.
operate if continuity is not
Hydraulic system shutdown
present across boom up
relay OK.
lockout solenoid valve
Crane functions OK.
contacts.
Overload lockout cable OK.
NO
Overload shutdown box OK.
Tension load cell OK.
Proximity sensor OK.
Boom up lockout solenoid
YES
cable OK.
Notify DS Maintenance.
POSSIBLE PROBLEMS
Faulty solenoid valve
Notify DS Maintenance.
2-1412
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