Work Possible Using Mounted Equipment; Dozing; Smoothing; Cutting Into Hard/Frozen Ground Or Ditching - Komatsu Boss D87E-2 Operation & Maintenance Manual

Crawler dozer
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OPERATION

WORK POSSIBLE USING MOUNTED EQUIPMENT

2
In addition to the following, it is possible to further increase the range of
applications by using various attachments.

DOZING

2
A dozer digs and transports dirt in a forward direction. Slope excavation
can always be most effectively carried out by proceeding from the top
downward. When dozing toward one side only, operate with angled
blade.

SMOOTHING

2
Remark
Avoid smoothing on rocky or stony ground. It can damage the
blade.
Uneven ground surfaces remaining after digging can be leveled off by
fine operation of blade. The basic method is to operate the machine at
low speeds with the blade fully loaded with soil and sand. A flat fin-
ished surface is also possible by slowly backing the machine with the
blade floating so it is dragged across the surface. However, avoid this on
rocky or stony ground, as it may damage the blade.

CUTTING INTO HARD/FROZEN GROUND OR DITCHING

2
Remark
Do not perform severe operations such as uprooting by an-
gling or tilting the blade.
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

2
Remark
Do not up root trees or stumps or fell trees by angling or tilting
the blade.
For trees with a diameter of 100 to 300 mm (3.9 to 11.8 in), raise the
blade high and push two or three times to fell the tree. Next, travel in re-
verse, and dig the corner of the blade into the ground to cut and dig up
the roots. When doing this, never hit the tree at high speed or apply
shock to fell the tree.
2-70
D87E-2 D87P-2

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Boss d87p-2P090001P092001

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