Figure 8. Crane boom reeving diagram.
manner as it was taken off, and stored in a dry place
where it is protected-from weather. If it is not possible to
remove the cable from the idle equipment, the cable
should be cleaned and lubricated. This lubrication should
be given to the entire length of cable, and should be
heavy enough to protect the wires against corrosion.
c. Uncoiling Cable (fig. 10). Unbind the coil and roll
it along the ground (C) so that it lies in a straight line.
There will be no kink or twist in the cable when it is taken
up on the crane drum if it is taken from this position. Do
not drop the coil and pull the cable off (D).
d. Breaking in New Cable. When a new cable has
been installed, it is advisable to operate without a load for
a short time. This is done to allow the cable to shape
itself to the drums and sheaves. It is also advisable to
Figure 9. Crane boom cribbing method.