Komatsu PC15MRX-1 Operation And Maintenance Manual page 214

ATTACHMENTS AND OPTIONS
RECOMMENDED ATTACHMENT OPERATIONS
GREASING POSITION FOR HYDRAULIC BREAKER
Supply grease in the correct position.
NOTICE
If grease is supplied in an incorrect position, the breaker is
filled with more grease than necessary. As a result, soil
and sand will enter the hydraulic circuit and can damage
the hydraulic devices while the breaker is used. Accord-
ingly, be sure to supply grease in the correct position.
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