TM 9-2320-279-10-2
M984E1 General Operating Procedures (Cont)
WARNING
Be sure there are at least two wraps of cable on hoist
drum at all times. Serious injury or death could result if
cable comes off hoist drum while lifting load.
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 M984E1 maximum load limit is:
6,000
lb
at
18 ft 2 in. Radius (2700 kg at 5.5 m)
8,000
lb
at
16 ft 5 in. Radius (3600 kg at 5.0 m)
lb
at
11 ft 10 in. Radius (5400 kg at 3.6 m)
12,000
lb
at
9 ft 0 in. Radius (6300 kg at 2.7 m)
14,000
NOTE
When crane is overloaded, M984E1 overload system
will automatically shut off power to telescope boom out,
raise or lower boom, or hoist load any higher. Overload
condition can be corrected by 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)
Shut down crane (para 2-630.
Change 3