Komatsu PC22MR-3 Operation & Maintenance Manual page 308

Hydraulic excavator
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OPTIONAL EQUIPMENT
PRECAUTIONS TO BE TAKEN WHEN USING OPTIONAL EQUIPMENT
NOTICE
If grease is injected with the breaker in the wrong position,
t h e b r e a k e r c i r c u i t w i l l r e c e i v e m o r e g r e a s e t h a n
necessary. As a result, soil and sand may get into the
hydraulic circuit and damage the hydraulic components
while the breaker is being used.
Therefore, make sure to carry out the greasing operation
with the breaker in the correct position.
WEAM014500
6-18

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