How Does the Arm of an Excavator Work

An excavator arm consists primarily of a boom, stick, and attachment. A bucket is the most common attachment. Hydraulic cylindersare connected to segments of the arm and from the cab the operator extends and contracts the cylinders. This extending and contracting pivots parts of the arm at connection points to raise an…

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CODE OF PRACTICE

Figure 4.15 Demolition by Hydraulic Crusher with Long Arm Boom 77. vii . List of Figures . List of Figures (Cont'd) Figure 4.16 Operation of Wrecking Ball 79 . Figure 4.17 …

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Concrete Crusher

The rotational crusher includes an integrated hydraulic installation that permits the multi-system to make a 360° rotation in both directions for fast, accurate and efficient positioning of the jaws in any working condition. …

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