TM-9-2320-432-10
TRUCK, CARGO, 8X8, M985
TECHNICAL MANUAL; OPERATOR'S MANUAL
JUNE 2009
TM-9-2320-432-10 - Page 279 of 1076
RAISE AND LOWER LOAD - Continued
WARNING
•
Always wear protective gloves when handling winch cable. Never let
cable run through hands. Frayed cables can cut severely. Failure to
comply may result in injury or death to personnel.
•
Never operate winch with less than five wraps of cable on winch
drum. Failure to comply may result in injury or death to personnel.
CAUTION
•
Do not jerk HOIST control lever or load will bounce causing possible
damage to crane or load.
•
Do not operate crane with boom below horizontal when there is a load
on hook.
•
For M977, maximum load limit with boom length under 9 ft. (2.75 m)
is 4500 lbs (2 043 kg). Maximum load limit with boom extended over
9 ft. (2.75 m) is 2500 lbs (1 135 kg).
•
For M985, maximum load limit is 5400 lbs (2 452 kg) for entire boom
reach.
NOTE
•
When M977 and M985 crane is overloaded, the overload systems
will automatically shut off power to telescope boom out, raise boom,
or hoist load any higher.
•
The M977 overload system will also prevent lowering load to ground
or other supporting surface. All crane functions will be restored in
approximately six seconds.
3.
Move HOIST control lever (3) in UP position to lift load. Move BOOM control lever (6)
in UP position to raise load higher.
4.
Move HOIST control lever (3) in DOWN position to lower load. Move BOOM control
lever (6) in DOWN position to lower load further.
5.
Shutdown crane.
TM 9-2320-432-10
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