SAFETY MAINTENANCE INFORMATION SAFETY SAFETY HANDLING HIGH-PRESSURE HOSES G If oil or fuel leaks from high-pressure hoses, it may cause fire or defective operation, which may lead to serious injury or property damage. If any loose bolts are found, stop work and tighten to the specified torque. If any damaged hoses are found, stop operations immediately and contact your Komatsu distributor. Replace the hose if any of the following problems are found. G Damaged or leaking hydraulic fitting. G Frayed or cut covering or exposed reinforcement layer of wire. G Covering swollen in places. G Twisted or crushed movable portion. G Foreign material embedded in covering.
WASTE MATERIALS To prevent pollution, pay careful attention to the method of disposing of waste materials. G Always put oil drained from your machine in containers. Never drain oil directly onto the ground or dump into the sewage system, rivers, the sea, or lakes. G Obey appropriate laws and regulations when disposing of harmful objects such as oil, fuel, coolant, solvent, filters, and batteries. AIR CONDITIONER MAINTENANCE If air conditioner refrigerant gets into your eyes, it may cause blindness; if it touches your skin, it may cause frost- bite. Never touch refrigerant.
COMPRESSED AIR G When carrying out cleaning with compressed air, there is a hazard of serious injury or property damage caused by flying particles. G When using compressed air to clean elements or the radiator, always wear safety goggles, dust mask, gloves, and other protective equipment. 2-40