Komatsu PC27R-8 Operation & Maintenance Manual page 190

ARRANGEMENT FOR THE INSTALLATION OF THE DEMOLITION HAMMER (BREAKER)
4 - Working with the hammer in horizontal position or even with
greater inclination.
5 - Lever with the tool after thrusting it into the material to be bro-
ken.
6 - Hitting the ground with the hammer bit.
7 - Lifting the machine by levering on the hammer bit with the
bucket cylinder extended to the end of its stroke.
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