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PC210/240-ENG
This section describes the necessary precautions to be observed when operating a hydraulic excavator
equipped with an attachment.
NOTICE
Select the attachment most suited to the machine body.
• The machine models to which attachments can be mounted vary. For selection of attachment and
machine model, consult your Komatsu distributor.
30.1 HYDRAULIC BREAKER
MAIN FIELDS OF APPLICATION
° Crushed rock
° Demolition work
° Road construction
This attachment can be used for a wide range of work including
demolition of buildings, breaking up of road surfaces, tunnel work, break-
ing up slag, rock crushing, and breaking operations in quarries.
Keep the chisel pushed perpendicularly against the impact surface
when carrying out breaking operations.
When applying impact, push the chisel against the impact surface
and operate so that the chassis rises approx. 5 cm (2 in) off the ground.
Do not let the machine come further off the ground than necessary.
30. EXTENDING MACHINE SERVICE LIFE
5-22
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