(b) Disconnect the boom hoist line dead-end
2-21. Movement to a New Worksite
from the gantry frame. and take up the line onto the
boom hoist drum.
a. Dismantling for Movement.
(c) Remove the hook block, clamshell bucket,
(1) General.
The truck crane can be
or drag bucket, and take up the main and secondary
transported readily, as it is mounted on its own. carrier.
hoist lines onto the rear and front drums.
Before moving the equipment, obtain information on road
(d) Remove the boom backstops (fig. 2-7).
conditions and possible restrictions along the route due
(e) wedges or a hydraulic jack to relieve the
to clearances. Secure the crane cab by disengaging all
weight of the boom on the boom foot pins, and remove
clutches. setting all brakes, and installing the anti-
the boom foot pins. (fig. 2-41.
rotation bars that brace the upper to the carrier frame.
(f) Move the carrier away from the cribbedup
Refer to figure 2-42.
boom. Refer to figure 2-5 and disassemble the boom
assembly.
(3) Transportation with crane, clamshell. or dragline
boom.
(a) Lower the boom to the boom cradle at the
front of the carrier.
(b) Take up the slack in the boom hoist line so
that the boom is supported by the boom hoist line just
above boom cradle. Set the boom hoist drum pawls.
(c) certain that the swing lock is set. Refer to
(d) Secure the hook block to the underside of
the boom and take up the slack in the hoist line.
(e) Be sure outriggers are retracted and
pinned in place (fig. 2-3).
(4) Transportation with shovel or backhoe.
(a) Swing the crane, with the dipper extended.
until the boom is in line with the boom cradle. Engage
Figure 2-42. Anti-rotation device installed.
the swing lock, and install the antirotation device rods
(b) Lower the boom until it is approximately
Caution: Do not transport the truck
six inches above the boom cradle. Keep the boom hoist
cane with the piledriver front-end
cable tight.
attachment installed.
(c) Use a length of cable to snub the dipper
stick to the carrier towing hooks. Draw this cable as tight
(2) Transportation without crane boom.
as possible. Take slack out of all cables supporting the
(a) Lower the boom over the rear of the
front end.
carrier to the horizontal position, and build up cribbing
Note: For moves over straight, open road,
under the boom as shown in figure 2-4.
the shovel or backhoe many be moved with dipper
stick and boom over the rear of the carrier. Faced
this way, the boom can be quite low and the unit can
be moved with speed and safety.
b. Reinstallation after Movement. Refer to
movement to a new work site
Section II. OPERATION OF AUXILIARY EQUIPMENT
electrical fires because it will not damage electrical
2-22. Fire Extinguisher (:Carbon Tetrachloride
equipment or conduct electricity.
Type)
b. Operating Procedures. Refer to TB 5-4200-200-
a. Description.
The dry chemical type fire
10. Hand Portable Fire Extinguishers For Army Users,
extinguisher supplied with the truck crane is a 2 1/2
for proper operating procedures.
pound hand-operated type. It is suitable for
2-52
