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114

USING THE WORK EQUIPMENT

3.12.4 DIGGING METHOD

DANGER

• The geometry of the rotation fulcra of the arms and the bucket make it possible to dig even beyond the

track line, which makes the ground give way. Never dig beyond the boom fulcrum line, since the ground

may collapse and cause the machine to overturn.

1 - At the beginning of work, keep the bucket at the correct penetration angle.

2 - Once the desired digging depth has been reached, position the bucket with its back parallel to bottom of the ex-

cavation and then start filling.

3 - During the collection phase, make the bucket, the boom and the arm move simultaneously; combined move-

ments facilitate the filling of the bucket and therefore increase productivity.

4 - The removal depth must be correct and suitable for the type of ground; excessive depth may lock the move-

ments, overload the engine and the pump and slow down the digging operations.

5 - To dump on heaps, dump the bucket as soon as it gets near the dumping area; the inertia resulting from the

movement will ensure the compaction of the material with no need to use the bucket for this purpose, which

avoids impacts and vibrations that facilitate the wear of pins and bushings.

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RWA00530

CORRECT DIGGING METHOD

(Sequence 1 - 2 - 3)

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RWA00500

CORRECT

The bucket works with its flat surface

parallel to the ground.

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RWA00510

INCORRECT

The bucket is thrusted downwards,

slowing down the digging work.

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RWA00520

INCORRECT

The bucket is pushed upwards and

therefore is not filled completely.

Brand	Komatsu
Model	PC110R-1
Category	Excavators
Language	English

Komatsu PC110R-1 User Manual

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Komatsu PC110R-1 Specifications

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