Avoid Abusive Operation; Avoid Excavation Using Upperstructure And/Or Boom Swing Power - Hitachi ZAXIS 30U-5N Operator's Manual

OPERATING THE MACHINE

Avoid Abusive Operation

Do not use travel while thrusting the bucket teeth into the
ground and do not raise rear of the machine to use the
machine's weight as additional digging force. Severe machine
damage may result.
MZX5-05-002
Avoid Excavation Using Upperstructure and/or
Boom Swing Power
Never attempt to move rocks or excavate a cliff face by hitting
the bucket using upperstructure and/or boom swing power.
Damage to the front attachment, or shortening of the service
life of the swing systems may result.
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