Komatsu PC400LC-5 Operation & Maintenance Manual page 32

7. PRECAUTIONS DURING OPERATION
g )Mf:i:/fsze Fcceeasons of safety, always
y precautrons.
7.6.2 PRECAUTIONS FOR LIFTING OPERATION
GRADUAL LIFTING OPERATION
l When carrying out lifting operations, run the engine at low idling and use the L.0 (lifting operation
mode).
l Avoid sudden lever shifting and acceleration.
l Swing speed is three to four times that of movable cranes. Therefore, be especially careful when
performing swing operation.
j NEVER LEAVE THE OPERATORS SEAT 1
l Never leave the operator's seat while lifting a load.
l Operation exceeding machine performance may result in accident or failure.
l Carry out lifting operation within specified load limit.
l
Never carry out operations which may damage the machine such as overload or over-impact-load.
l
Never drag a load laterally or longitudinally, nor retract the arm, otherwise, a dangerous situation
may result.
INCORRECT INCORRECT
NEVER TRAVELLING WHILE LIFTING A LOAD 1
l Never travel while carrying a load.
OPERATING POSTURE
l If the machine posture is not correct, the wire ropes or ring may detach from the hook. Confirm
that the hook angle is correct to avoid this.
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