TM 9-2320-366-20-2
TM 9-2320-366-20-2
TM 9-2320-366-20-2
TM 9-2320-366-20-2
TM 9-2320-366-20-2
2-1276
2-1276
2-1276
2-1276
2-1276
START
1.
2.
NO
YES
NO
YES
YES
Is continuity present from
boom up lockout solenoid
cable connector socket 2
to ground?
Battery voltage OK.
Input voltage to overload
shutdown system OK.
Hydraulic system shutdown
solenoid OK.
Hydraulic system shutdown
relay OK.
Crane functions OK.
Overload lockout cable OK.
Overload shutdown box OK.
Tension load cell OK.
Proximity sensor OK.
Faulty hoist up lockout
solenoid cable.
Faulty solenoid valve.
Battery voltage OK.
Input voltage to overload
shutdown system OK.
Hydraulic system shutdown
solenoid OK.
Hydraulic system shutdown
relay OK.
Crane functions OK.
Overload lockout cable OK.
Overload shutdown box OK.
Tension load cell OK.
Proximity sensor OK.
Faulty hoist up lockout
solenoid cable.
Faulty solenoid valve.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
Continuity Test or
STE/ICE-R #91
REASON FOR QUESTION
Hoist up lockout will not
operate if continuity is not
present at hoist up lockout
solenoid cable connector
socket 1.
Continuity Test or
STE/ICE-R #91
REASON FOR QUESTION
Hoist up lockout will not
operate if continuity is not
present from hoist up
lockout solenoid cable
connector socket 2 to
ground.
Tools and Special Tools
Tool Kit, Genl Mech (Item 46, Appendix C)
Multimeter, Digital (Item 22, Appendix C)
STE/ICE-R (Item 41, Appendix C)
Is continuity present
from hoist up lockout
cable connector socket
1 to terminal board
position 28?
e116.
M1084/M1086 MATERIAL HANDLING CRANE (MHC) HOIST UP LOCKOUT DOES NOT ACTIVATE
INITIAL SETUP
Equipment Conditions
Batteries disconnected (para 7-57).
References
TM 9-4910-571-12&P
Replace hoist up lockout
solenoid cable (para 7-92).
Replace hoist up lockout
solenoid cable (para 7-92).