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CONTINUITY TEST - TM-9-2320-366-20-20533
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TM-9-2320-366-20-2 M1083 Series 5-Ton 6 x 6 Medium Tactical Vehicles (MTV) Manual
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CONTINUITY TEST - TM-9-2320-366-20-20535
TM 9-2320-366-20-2
TM
e132. M1089 MATERIAL HANDLING CRANE (MHC) BOOM UP LOCKOUT DOES NOT ACTIVATE
INITIAL SETUP
Tools and Special Tools
Equipment Conditions
Tool Kit, Genl Mech (Item 46, Appendix C)
Batteries disconnected (para 7-57).
Multimeter, Digital (Item 22, Appendix C)
STE/ICE-R (Item 41, Appendix C)
References
TM 9-4910-571-12&P
START
KNOWN INFO
TEST OPTIONS
1.
Battery voltage OK.
Continuity Test or
Is continuity present
Input voltage to overload
STE/ICE-R #91
REASON FOR QUESTION
from boom up lockout
shutdown system OK.
Boom up lockout will not
solenoid cable connector
Hydraulic system shutdown
operate if continuity is not
socket 1 to terminal
solenoid OK.
present at boom up lockout
board position 19?
Hydraulic system shutdown
solenoid cable connector
relay OK.
socket 1.
Crane functions OK.
NO
Overload lockout cable OK.
Overload shutdown box OK.
Tension load cell OK.
Proximity sensor OK.
POSSIBLE PROBLEMS
YES
Faulty boom up lockout
Replace boom up lockout
solenoid cable.
solenoid cable (para 7-107).
Faulty solenoid valve.
KNOWN INFO
TEST OPTIONS
2.
Battery voltage OK.
Continuity Test or
Is continuity present from
Input voltage to overload
STE/ICE-R #91
REASON FOR QUESTION
boom up lockout solenoid
shutdown system OK.
Boom up lockout will not
cable connector socket 2
Hydraulic system shutdown
operate if continuity is not
to ground?
solenoid OK.
present from boom up
Hydraulic system shutdown
lockout solenoid cable
relay OK.
connector socket 2 to
Crane functions OK.
NO
ground.
Overload lockout cable OK.
Overload shutdown box OK.
Tension load cell OK.
Proximity sensor OK.
Replace boom up lockout
Continuity to boom up
YES
solenoid cable (para 7-107).
lockout solenoid OK.
POSSIBLE PROBLEMS
Faulty boom up lockout
solenoid cable.
Faulty solenoid valve.

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