Recommended Attachment Operations; Hydraulic Breaker - Komatsu PC290LC-11 Operation & Maintenance Manual

RECOMMENDED ATTACHMENT OPERATIONS

RECOMMENDED ATTACHMENT OPERATIONS
The following descriptions are the precautions which must be followed when operating the hydraulic excavator
equipped with an attachment.
NOTICE
Select the optimum attachment model for the hydraulic excavator body.
The attachments and models ready for installation differ according to the machine body. For details of
the selection of the attachments or the models, consult your Komatsu distributor.

HYDRAULIC BREAKER

Applicable work
Major works suitable to the hydraulic breaker are as follows.
• Crushing rock
• Road construction
This attachment can be used for a wide range of applications
including breaking up road surfaces or slag, tunnel work, rock
crushing and breaking operations in quarries.
Precautions when performing breaking operations
Keep the chisel pushed perpendicularly against the impact sur-
face when performing breaking operations.
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ATTACHMENTS AND OPTIONS