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CONTINUITY TEST - TM-9-2320-366-20-20407
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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-9-2320-366-20-20409
TM 9-2320-366-20-2
TM
e118. M1084/M1086 MATERIAL HANDLING CRANE (MHC) BOOM UP LOCKOUT DOES NOT ACTIVATE
INITIAL SETUP
Equipment Conditions
Tools and Special Tools
Batteries disconnected (para 7-57).
Tool Kit, Genl Mech (Item 46, Appendix C)
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
Input voltage to overload
STE/ICE-R #91
Is continuity present
shutdown system OK.
from boom up lockout
REASON FOR QUESTION
Hydraulic system shutdown
solenoid cable connector
Boom up lockout will not
solenoid OK.
socket 1 to terminal
operate if continuity is not
Hydraulic system shutdown
board position 28?
present at boom up lockout
relay OK.
solenoid cable connector
Crane functions OK.
socket 1.
Overload lockout cable OK.
NO
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 7-87).
Faulty solenoid valve.
KNOWN INFO
TEST OPTIONS
2.
Battery voltage OK.
Continuity Test or
Input voltage to overload
STE/ICE-R #91
Is continuity present from
shutdown system OK.
boom up lockout solenoid
REASON FOR QUESTION
Hydraulic system shutdown
cable connector socket 2
Boom up lockout will not
solenoid OK.
to ground?
operate if continuity is not
Hydraulic system shutdown
present from boom up
relay OK.
lockout solenoid cable
Crane functions OK.
connector socket 2 to
Overload lockout cable OK.
ground.
NO
Overload shutdown box OK.
Tension load cell OK.
Proximity sensor OK.
Continuity to boom up
Replace boom up lockout
YES
lockout solenoid OK.
solenoid cable (para 7-87).
POSSIBLE PROBLEMS
Faulty boom up lockout
solenoid cable.
Faulty solenoid valve.

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