Hitachi Zaxis 33U-5A Operator's Manual page 309

Hydraulic excavator
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Operate the chisel carefully to avoid hitting the
machine.
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 thrust 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.
OPTIONAL ATTACHMENT
ATTACHMENT PEDAL (HYDRAULIC BREAKER)
Watch Out!
Take care
not to hit the
boom with
the crusher
13-7
M1M7-05-023
MZX5-13-006
MZX5-13-007
If an object could not
be broken within one
minute, apply the chisel
to other locations.
M147-05-015

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This manual is also suitable for:

Zaxis 38u-5aZaxis 65usb-5aZaxis 48u-5aZaxis 55u-5a

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