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Operate the Hydraulic Excavator Carefully to Avoid
Hitting the Boom.
When the arm rolled in with the breaker equipped, the
chisel may come in contact with the boom.
Do Not Operate Breaker with the Arm Positioned
Vertically.
Excessive vibration to the arm cylinder will occur, causing oil
leakage.
Press the Breaker So That the Chisel (The Axis) Is
Positioned and Thrusted Perpendicular to the Object.
Failure to do so may damage the chisel or may cause seized
piston.
Do Not Operate the Breaker Continuously Longer Than
One Minute.
Failure to do so may result in premature wear of the chisel.
If an object could not be broken within one minute, apply
the chisel to other locations, less than one minute for each
location.
OPERATING THE MACHINE
5-30
Watch Out!
Take care not
to hit the boom
with the crusher
WRONG
RIGHT
WRONG
M104-05-062
M147-05-013
WRONG
M147-05-014
If an object could not
be broken within one
minute, apply the chisel
to other locations.
M147-05-015
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