6
Stringing the pulleys
F
or proper operation, the strings should run through the groove of each pulley. The string
that controls the hooks is attached to the forward shaft inside the cab. As illustrated in
Figure 3, it runs down over the post on the boom, up though the pulley on the first hook, down
through pulley on the boom, and up through the pulley on the second hook. The string is
knotted at the end of the boom and terminates at a small auxiliary hook.
Figure 3. Hook pulleys
