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CONTINUITY TEST - TM-9-2320-366-20-20399
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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-9-2320-366-20-20401
TM 9-2320-366-20-2
TM
e116. M1084/M1086 MATERIAL HANDLING CRANE (MHC) HOIST 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
REASON FOR QUESTION
shutdown system OK.
from hoist up lockout
Hydraulic system shutdown
Hoist up lockout will not
cable connector socket
solenoid OK.
operate if continuity is not
1 to terminal board
Hydraulic system shutdown
present at hoist up lockout
position 28?
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 hoist up lockout
Replace hoist up lockout
solenoid cable.
solenoid cable (para 7-92).
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
REASON FOR QUESTION
shutdown system OK.
boom up lockout solenoid
Hydraulic system shutdown
Hoist up lockout will not
cable connector socket 2
solenoid OK.
operate if continuity is not
to ground?
Hydraulic system shutdown
present from hoist 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.
POSSIBLE PROBLEMS
Replace hoist up lockout
YES
solenoid cable (para 7-92).
Faulty hoist up lockout
solenoid cable.
Faulty solenoid valve.

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