OPERATING THE MACHINE
5-24
PRECAUTIONS FOR CRUSHER OPERATION
Prevent machine tipping over and damage to the front attach-
ment. Observe the following precautions for crusher opera-
tion.
WARNING: Machine stability is reduced as crusher is
much heavier than bucket.
When operating with a crusher, the machine is more
apt to tip over. Also, falling or flying objects may hit
the cab or other part of the machine. Observe the
following precautions and take any other precautions
necessary to prevent accidents and machine damage
from occurring.
• Do not allow the machine’s weight to be supported by the
crusher or bucket cylinder with the bucket cylinder fully
extended or retracted. Doing so may damage the front
attachment. In particular, avoid doing so with the bucket
cylinder fully extended, as the front attachment will be
easily damaged.
Take care to prevent this from happening when disman-
tling foundation structures using the crusher.
• Using the front attachment, do not raise the base ma
-
chine off the ground with the arm cylinder fully extended.
Failure to do so may result in damage to the arm cylinder.
• When a heavyweight attachment such as a crusher is
installed, avoid quickly starting or stopping the front
attachment. Failure to do so may result in damage to the
front attachment.
• Do not attempt to perform crushing on either side of the
machine. Always perform crushing operations to the fore
or rear, parallel with the tracks. Otherwise, tipping over
may occur.
• Operate the hydraulic excavator carefully to avoid hitting
the boom, and cab.
WRONG
M107-05-046
M107-05-047
WRONG
WRONG
M1G6-05-009
Watch Out!
Take care not to hit the
boom with the crusher
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