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7. PRECAUTIONS DURING OPERATION
7.6.2 PRECAUTIONS FOR LIFTING OPERATION
GRADUAL LIFTING OPERATION
• When carrying out lifting operations, run the engine at low idling and use the L.O. (lifting operation mode).
• Avoid sudden lever shifting and acceleration.
• Swing speed is three to four times that of movable cranes. Therefore, be especially careful when performing
swing operation.
NEVER LEAVE THE OPERATOR'S SEAT
• Never leave the operator's seat while lifting a load.
NEVER CARRY OUT EXCESSIVE OPERATIONS
• Operation exceeding machine performance may result in accident or failure.
• Carry out lifting operation within specified load limit.
• Never carry out operations which may damage the machine such as overload or over-impact-load.
• Never drag a load laterally or longitudinally, nor retract the arm, otherwise, a dangerous situation may result.
NEVER TRAVELLING WHILE LIFTING A LOAD
• Never travel while carrying a load.
OPERATING POSTURE
• 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.
1-20
WARNING: For reasons of safety, al-
ways follow these safety precautions.
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