Komatsu — Komatsu PC450-6K and PC450LC-6K Hydraulic Excavator Operation & Maintenance Manual

WARNING: Failure to follow these safety precautions may lead to a serious accident. 7. PRECAUTIONS DURING OPERATION OPERATION SUPERVISOR Before performing lifting operation, designate an operation supervisor. Always execute operation according to his instructions. ° Execute operating methods and procedures under his direction. ° Select a person responsible for signalling. Operate only on signals given by such person. PC450-ENG 1-19 HANDLING OF WIRE ROPES ETC. • Wear leather gloves when handling wire ropes. HANDLING OF WIRE ROPES ETC.

HANDLING OF FLUIDS • Some oils and other fluids, such as Antifreeze, can be harmful to you and the environment, you should therefore always follow the manufacturers instructions regarding storage, handling and disposal. HANDLING OF FLUIDS HANDLING OF USED ENGINE OILS • Avoid contact with used engine oils. • Refer to engine oils data sheet for handling and storage precautions. HANDLING OF USED ENGINE OILS HANDLING OF OILS • For diesel oils, hydraulic oils and oils used in the swing machinery, PTO, transmission axles and hubs avoid prolonged or frequent contact with skin. • Refer to manufacturers data sheet for handling and storage precautions.

HANDLING OF OILS HANDLING OF FLUIDS • For antifreeze and grease refer to manufacturers data sheet for handling and storage precautions. HANDLING OF FLUIDS PROTECTING EYES • Some oils and fluids can damage eyes. Refer to manufactured data sheet for handling and storage instruc- tions. PROTECTING EYES