Figure 2-7. Crane boom and jib boom reeving diagram (sheet 1 of 2).
lead, dragline bucket, dragline cable, and hoist cable.
connect to dead end socket on dragline bucket, and
secure with cable clamps.
(a) Raise crane hook block to near boom
(h) Raise boom to normal operating
point sheave then lower crane boom to horizontal
(i) Raise dragline bucket from ground.
(b) Remove clamps from hoist cable at
Remove dragline front end
dead end socket (view C, or D, fig. 2-7); remove hook
attachment by reversing steps (a) through (i) above and
block, then Unwind and remove hoist cable from right
revert to crane operation.
hand drum. Remove cable from left hand drum.
d. Pile Driver Front End Attachment. For this
attachment, pile adapters; pile leads; cat-walk; drop
personnel will install lagging.
hammer; boom center (extension) section; boom hoist
cable; hammer cable, and pile cable are required.
then install digging (drag) cable (table 1-2) on left hand
(a) Lift hook block to near boom point
sheave then lower crane boom to horizontal position on
on right hand drum.
dead end socket (view C, fig. 2-7); remove hook block,
(f) Position dragline bucket under boom
and wind hoist cable or drum.
(b) Loosen tension on boom hoist cable
at dead end socket on dragline bucket bridle and secure
(view A, fig. 2-7), remove cable end from dead end
with cable clamps.