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 driftingresponsibility. The blade is connected to two push arms(pushing straight ahead) or side casting (pushing to oneand two pitch arms, as shown in figure 11-14.side) materials. Other attachments include rippers andMost push arms are attached to the bottom of thewinches.blade and to the outside of the track frame at the trunnionDozer 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 boltcdframe is attached to the trunnions and wraps around theto the bottom of the blade (fig. 11-13). Remember,front of the dozer. The blade is attached to the “C” framechecking the cutting edges for wear is the operator’swith a steel pin.11-6
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