TM 5-3820-256-10
(c)
Re-position side plate and tighten handwheel bolt on the snatch block. Operate the winch down as
needed.
(11) Position crane boom point directly over the load to be lifted.
(12) Check load chart for proper lifting angle.
CAUTION
Do not hoist two or more separately rigged loads in one lift, even if combined load is within the crane's
rated capacity.
(13) Attach hook securely to the load to be lifted.
(14) Lift the load a minimum of 2 feet before rotating it.
WARNING
Do not suspend the load over personnel. Rotate the crane smoothly to avoid outward movement
(swinging) of the load.
(15) Move the load to the desired location.
(16) Lower the load to a stable position. Be sure all tension is off the wire line.
(17) Disconnect the hook from the load.
d. Preparation for Movement.
(1)
Retract manual extension boom as follows:
(a)
Remove clinch pin (5, figure 2-29).
(b)
Pull out the manual extension pin (6).
(c)
Rewind the hoist line while pushing in the manual-pullout extension boom (4).
(d)
Aline the pin holes and reinstall the manual extension pin (6) and clinch pin (5).
(2)
Operate the remote controls (1) to retract the hydraulic extension boom (7) while rewinding the hoist line.
(3)
Position the crane main boom (8) so it is centered over the boom stand.
(4)
Lower the main boom until it rests onto the boom stand.
(5)
Attach the crane snatch block (3) to the boom stand hook.
2-60
