TM 5-3810-288-12
4) Reeve the drag cable through the fair- lead and
secure it to the front drum. Reeve the remaining free end
through the three-way socket and secure it.
(5) Insert one end of the bucket dump cable
through the three way socket and secure it with the cable
wedge. Reeve the remaining free end over the dump
sheave, down to the bucket arch, and deadend the cable.
(6) The bucket teeth should be approximately 12
inches higher than the heel of the bucket when the bucket is
suspended in midair and the drag ;cable is pulled tight.
Remove the clump cable from the deadend socket at the
top of the bucket arch and lengthen or shorten it if
necessary.
C. Removing and Unreceiving
(1) Lower the dragline bucket onto wood blocking
in the desired location.
(2) Remove the cable wedges from the three- way
socket and the deadend socket on the bucket arch.
Unreeve the bucket dump cable from the dump sheave.
(3) Pull the hoist and drag cables free of the drag
bucket, and unspool the cables from the front and rear
drums.
(4) Remove the cable wedges from both drums,
and free the hoist and draglines. 'Pull the cable's free of the
drums and the boom point sheaves.
(5) Lay the hoist, drag, and bucket dump cables
Figure 2-17. Fairlead, removal and replacement
straight on the ground. Roll the cables into coils and secure
them with wire. Label the cables for future use.
(6) Remove the fairlead (fig. 2-17).
2-7.
Dragline Conversion
a. General. The truck crane may be converted to
(7) Remove the boom hoist cable and boom (para
dragline operation by installing the crane boom (para. 2-5)
and a dragline bucket. The following components are
necessary for the equipment conversion; the crane boom
2-8.
Piledriver Conversion
components (para. 2-5), drag bucket, bucket hoist and drag
lines, and fairlead. The crane hoist cable may be used for
a. General. The truck crane may be converted to
the bucket hoist, but if additional reach and depth
piledriver operation by installing the crane boom and the
are desired, a longer cable must be installed. Refer to table
piledriver. Paragraph 2-5 lists the crane boom components
1-1.
required. The piledriver consists of the catwalk, piledriver
guides, hammer, and leads.
b. Installation and receiving.
(1) Install the crane boom, backstops, and boom
b. Installation.
hoist cable as described in paragraph 2-5.
(2) Install the fairlead (fig. 2-17).
(1) Install the crane boom, backstops, and boom
(3) Reeve the hoist cable over the center boom
hoist cable as described in paragraph 2-5.
point sheave and secure it to the rear drum. Secure the
remaining free end to the cable socket on the dump sheave
(2) Place the lead sections on at flat surface in a
chain (fig. 2-18).
horizontal position. Bolt one top lead section and four lower
Note. When inserting the cable and back into the
lead sections together. Refer to
cable socket, do not let it protrude on the opposite side
more than one inch.
2-12
