Edition 2 Chapter 1 Page 1-43
Feb/2013 Maintenance and Service
(m) Install the becket to the end of the boom or to the main hook.
1 Tools necessary: Wrench.
Figure 1-35 Becket Attachment
(n) Derrick the boom and fully extend the boom. Reel-off the wire-rope
from the main winch until the 3
rd
wrap alarm sounds.
Figure 1-36 Boom Extended and Elevated
Do not let the main hook hit the ground or move too quickly to prevent
rope damage or an accident.
(o) Attach a load to the main hook and spool-up the wire-rope. The load
must not be more than 30% of the maximum lift capacity for each
wire strand. For example:
1 Weight of the load: W = 0.3 x NP
2 Line parts: N
3 Max. permissible lift capacity per strand: P
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