Figure 2-30. Boom hoist cable reeving.
it out as far as it will go, and then lower it to the ground.
(3) Reeve the other end of the boom hoist
(2) Unroll and stretch the dipper trip cable out
cable around the lower right gantry spreader sheave.
on the ground on the right side of the boom.
around the inside right boom point sheave, around the
(3) Reeve the cable from the trip lever on the
upper right gantry spreader sheave, around the outside
dipper stick, over the small sheaves on the shipper shaft,
right boom point sheave, and down to the boom hoist
around the dipper trip motor eccentric, around the
drum.
outside sheave on the shipper shaft, and back to the
(4) Secure the boom hoist line to the boom
dead-end on the dipper stick (fig 2-31).
hoist drum as shown in figure 2-11.
(5) Spool the slack cable on the drum.
g. Reeving Shovel Dipper Trip Cable.
(1) Raise the dipper off the ground and crowd
2-24
