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CONTINUITY TEST - TM-9-2320-366-20-20397
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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-9-2320-366-20-20399
TM 9-2320-366-20-2
TM
e115. M1084/M1086 MATERIAL HANDLING CRANE (MHC) OVERLOAD SHUTDOWN SYSTEM STAYS ACTIVATED
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.
Visual Inspection
Input voltage to overload
REASON FOR QUESTION
shutdown system OK.
Is junction box internal
Shorted junction box
Hydraulic system shutdown
wiring OK?
internal wiring will cause
overload shutdown system
Hydraulic system shutdown
to stay activated.
relay OK.
POSSIBLE PROBLEMS
NO
Faulty junction box internal
wiring.
Faulty overload lockout
Repair junction box
YES
cable.
assembly (para 7-27).
Faulty hoist layer sensing
switch.
Faulty hoist load cell.
Faulty overload shutdown
system.
KNOWN INFO
TEST OPTIONS
2.
Battery voltage OK.
Continuity Test or
Is continuity present
Input voltage to overload
STE/ICE-R Test #91
from terminal board
REASON FOR QUESTION
shutdown system OK.
Faulty overload lockout
position 28 to terminal
Hydraulic system shutdown
cable will cause overload
board position 6?
shutdown system to stay
Hydraulic system shutdown
activated.
relay OK.
Crane functions OK.
NO
POSSIBLE PROBLEMS
Faulty overload lockout
cable.
Replace overload lockout
YES
Faulty hoist layer sensing
cable (para 7-95).
switch.
Faulty hoist load cell.
Faulty overload shutdown
system.
Notify DS Maintenance.

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