. SAFETY SAFETY MAINTENANCE INFORMATION 2 - 36 SAFETY RULES FOR HIGH-PR ESSURE OIL s under internal pressure. When inspecting or replacing piping or hoses, always The hydraulic system is alway always check that the pressure in the hydraulic circuit has been released. If the circuit is still und er pressure, it will lead to serious injury, so always do as follows. For details of the method of releasing the pressure, see "METHOD FO R RELEASING INTERNAL PRESSURE IN HYDRAULIC CIRCUIT ( replacement operation. PAGE 4-43)".
If the circuit is still under pr essure, do not ca rry out any inspe ction or If there is any leakage from t he piping or hoses, the surrounding area w ill be wet, so che ck for cracks in th e piping and hoses and for swelling i When carry out inspection, n the hoses. wear safety glasses and leather gloves. ressure oil leaking from small holes cause blindness if it contacts your y a jet of high-pressureoil and suffer ash the place with clean water, and y for medical attention. There is a hazard that high-p may penetrate your skin or eyes directly.
If you are hit b injury to your skin or eyes, w consult a doctor immediatel SAFETY HANDLING HIGH-PRE SSURE HOSES If oil or fuel leaks from high- pressure hoses, it may cause fire or defec tive operation, w hich may lead to serious injury. If any loose bolts are stop operations immediately found, stop work and tighten to the specifie d torque. If any da maged hoses are found, and contact your Komatsu distributor. following problems are found. lic fitting. xposed reinforcement wire layer. e portion. in covering. Replace the hose if any of the Damaged or leaking hydrau Frayed or cut covering or e Covering swollen in places.
Twisted or crushed movabl Foreign material embedded WASTE MATERIALS ul attention to the method of disposing of waste materials. your machine in containers. Never ground or dump into the sewage kes. d regulations when disposing of , fuel, coolant, solvent, filters, and To prevent pollution, pay caref ul attention to the method of disposing of waste materials. Always put oil drained from drain oil directly onto the system, rivers, the sea, or la Obey appropriate laws an harmful objects such as oil batteries. AIR CONDITIONER MAINTENA NCE If air conditioner refrigerant get s into your eyes, it may cause blindness; if i t touches your sk in, it may cause fr ostbite. Never touch refrigerant.