Komatsu HB365LC-3 Operation & Maintenance Manual page 480

RECOMMENDED ATTACHMENT OPERATIONS
1.
Lower the chisel to the ground perpendicularly.
2.
Insert the grease pump perpendicularly to the greasing
point.
Wrong posture
Do not perform greasing when the hydraulic breaker is lowered
to the ground.
Do not perform greasing when the chisel is not lowered to the
ground.
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ATTACHMENTS AND OPTIONS