Figure 11-13.-Cuttting edge and corner bit.
Figure 11-14.—Dozer blade, push and pitch arms.
the front of the crawler tractor. It is used for drifting
responsibility. The blade is connected to two push arms
(pushing straight ahead) or side casting (pushing to one
and two pitch arms, as shown in figure 11-14.
side) materials. Other attachments include rippers and
Most push arms are attached to the bottom of the
winches.
blade and to the outside of the track frame at the trunnion
Dozer Blades
(fig. 11-15). On dozers equipped with an angle blade,
the-push arms are a “C” frame confjguration. The “C”
A dozer blade cutting edge and corner bits are boltcd
frame is attached to the trunnions and wraps around the
to the bottom of the blade (fig. 11-13). Remember,
front of the dozer. The blade is attached to the “C” frame
checking the cutting edges for wear is the operator’s
with a steel pin.
11-6
