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Komatsu D37EX-21 - Cutting into Hard or Frozen Ground or Ditching; Felling Trees, Removing Stumps; Side-Cutting Operations

Komatsu D37EX-21
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OPERATION OPERATION
3-96
CUTTING INTO HARD OR FROZEN GROUND OR DITCHING 3
For digging and ditch excavation of hard or frozen ground, tilt
the blade. Even hard ground can be dug effectively by a tilted
or angled blade.
FELLING TREES, REMOVING STUMPS 3
NOTICE
Do not uproot trees or stumps or fell trees by angling or
tilting the blade.
Raise the blade high and push two or three times to fell the
tree.
Next, travel in reverse and push the cutting edge of the blade
into the ground to cut the roots, then push the blade in to
uproot the tree.
When doing this, never hit the tree at high speed or apply any
shock to fell the tree.
SIDE-CUTTING OPERATIONS 3
When carrying out side-cutting operations with the load on one
side of the blade, the work can be carried out efficiently by
using counter-rotation to correct the direction.

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