Figure 2-7. Cam boom and jib boom diagram (sheet 2 of 2).
socket, and rewind on cable drum slowly while guiding
point reeve dragline hoist cable (fig. 2-12), then connect
cable through sheave.
at dead end socket on dragline bucket bridle and secure
with cable clamps.
(c) Remove boom hoist cable from
(g) Reeve drag (digging) cable (fig. 2-
drum and replace with pile driver boom hoist cable
12), connect to dead end socket on dragline bucket, and
secure with cable clamps.
(d) Separate boom point section from
(h) Raise boom to normal operating
base section (para 4-18) and install center (extension)
position (fig. 2-11).
section as shown in figure 2-11.
(i) Raise dragline bucket from ground.
(e) Reeve boom hoist cable (view A,
(2) Removal. Remove dragline front end
proper clamps.
attachment by reversing steps la) through (i) above and
revert to crane operation.
(f) With 60 foot boom installed,
remove crane hoist cable from left hand drum and
d. Pile Driver Front End Attachment. For this
install pile cable (table 1-2) and reeve as shown in figure
attachment, pile adapters; pile leads catwalk; drop
2-18. Make loop and secure with cable clamps.
hammer; boom center (extension) section; boom hoist
cable; hammer cable, and pile cable are required.
(g) Position piledriver adapters and
spacers on boom point pin (fig. 2-14).
(1) Installation.
(h) Install bolts and nuts securing
(a) Lift hook block to near boom point
adapters to pile leads.
sheave then lower crane boom (para 2-12c) to
horizontal position on cribbing (fig. 2-6); remove clamps
(i) Remove cable from right hand drum
from hoist cable at dead end socket (view C, fig. 2-7);
and install drop hammer cable (table 1-2) and reeve as
remove hook block, and wind hoist cable on drum.
shown on figure 2-13, over boom point sheave, down
through pile leads, then connect at
(b) Loosen tension on boom hoist cable
(view A, fig. 2-7), remove cable end from dead end
2-9
