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Operating Backhoe (Super Long Front
Attachment)
This machine is designed exclusively for light to moderate
excavation work. Use the standard front attachment for
general excavation work.
This machine is designed for the super long front
attachment. Don't replace the front attachment with the
standard front attachment.
Never remove the additional counterweight ( if installed).
Install appropriate bucket for the work.
(Refer to the "Bucket Types and Applications" in the
Specifications section.)
Pull the bucket toward the machine for main digging
force.
When soil sticks to the bucket, remove it by moving the
arm and/or bucket rapidly back and forth.
Place the bucket teeth on the ground with the bottom of
the bucket at a 45 degree angle to the ground.
When working on solid ground, unstiffen the ground by
using standard front attachment, and then use super long
front attachment for loading.
When trenching a straight line, position the tracks parallel
to the trench. After digging to the desired depth, move
the machine as required to continue the trench.
When operating the arm, avoid bottoming the cylinder to
prevent cylinder damage.
Never attempt to excavate ground using swing power or
to engage in grading work. Failure to do so may result in
damaging the front attachment.
Operate the boom and arm as slow as possible.
Failure to do so may cause the machine to loose stability.
The "Boom-down" and "Arm-roll-in" operation are set at
reduced speed to secure lifetime of the front attachment
and machine stability.
When the armcylinder is fully extended, if the arm sways,
the arm may come in contact with the boom.
Operate the arm as slow as possible when the
armcylinder is extended close to the stroke end.
Avoid sudden swing operation, possibly creating safety
hazards.
IMPORTANT:
When digging at an angle, avoid striking the tracks
with the bucket teeth.
When digging at an angle, avoid striking the tracks
with the bottom of the boom.
When lowering the boom, avoid sudden stops that
may cause shock load damage to the machine.
When digging a deep excavation, avoid striking the
boom or bucket cylinder hoses against the ground.
OPERATING THE MACHINE
3-2
MDCA-SL1-047
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