and lowering heavy loads. It is capable of operating
2-24).
through a wide range of conditions.
b. Positioning the Carrier (Model 2380). Back the
d. Boom and Crane Operations.
carrier up to the working site so that the major portion of
(1) Start engine (para 2-16).
the work will be performed off the rear of the carrier.
(2) Engage the engine clutch by pulling the engine
Dumping or unloading should be done off the sides. Set
clutch lever (fig. 2-19) forward.
the carrier parking brake (4, fig. 2-14).
WARNING
NOTE
Boom hoist safety pawl should be engaged at all
When the crane is being operated, the transmission
times except when lowering boom.
directional control lever (13, fig. 2-14) on carrier
(3) Operate the crane as instructed in figure 2-27.
should be moved to neutral position and the parking
(4) Spotting the load requires accurate control of the
brake set. Position outriggers or install stabilizer
hoist and swing movements to locate the load at the
wedges (fig. 2-24).
exact spot without hunting or overshooting. If it is
necessary to relocate the carrier, be sure that the swing
c. Positioning the Carrier (Model 2385). Back the
lock lever is engaged.
carrier up to the working site so that the major portion of
(5) When work is complete and boom is positioned
the lifts will be from the rear of the carrier. Unloading
for travel, disengage the engine clutch by pushing clutch
should be off either side. Set the carrier parking brake
lever rearward.
(fig. 2-16 (19)).
(6) Stop the crane engine (para 2-17).
NOTE
d. Dragline and Clamshell Operation.
Refer to
When the crane is being operated the transmission
gear range selector control lever (fig. 2-16, (38)) on
the carrier should be moved to NEUTRAL position
and the parking brake set. Position outriggers (fig.
2-42
