Precautions For Machine Operation - Komatsu PC400LC-5 Operation & Maintenance Manual

36. PRECAUTIONS FOR MACHINE OPERATION
Be careful of stability when swinging.
During swing operations, the stability of the machine differs to
the front, rear, left and right, and there is danger that it may tip over.
It is prohibited to use the tilt operation for digging.
Do not set the teeth vertically when the bucket is pulled in, and
then use the tilt operation to carry out digging.
It is prohibited to grip rocks.
Do not use the bottom dump bucket to grip rocks.
It is prohibited to use the bucket for leaving operations.
Using the rear bucket to carry out leveling operations will bring
an excessive force to bear on the work equipment, so do not use the
rear bucket in this way.
Be careful not to spill the load.
When the bucket is fully loaded, do not raise the boom fully. If
the boom is raised fully, the load will spill to the rear and cause
danger to the operator.
Be careful not to hit the undercarriage.
If the upper structure is set diagonally to the track frame when
carrying out digging operations, the work equipment will hit the
track links.
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