Komatsu — AIR CONDITIONER MAINTENANCE

. SAFETY SAFETY MAINTENANCE INFORMATION harmful objects such as oil, fuel, coolant, solvent, filters, and batteries. 2 - 37 SAFETY RULES FOR HIGH-PRE SSURE OIL s under internal pressure. When inspecting or replacing piping or hoses, always Th e hydraulic system is alway always check that the pressure in the h ydraulic circuit has been released . If th e circuit i s still und er pressure, it will lead to serious injury, so always do as follows. of releasing the pressure, see "METHOD OF RELEASING PRESSURE IN GE 4-66)". If the circuit is still under pressure, do not carry out any inspection or For details of the method HYDRAULIC CIRCUIT (PA replacement operation.

I f there is any leakage from th e piping or hoses, the surrounding area will be wet, so chec k for cracks in the piping and hoses and for swelling i When carry out inspection, w ear safety glasses and leather gl There is a hazard that high-p ressure oil leaking from small holes may penetrate your skin or cause blindness if it contacts you eyes directly. If you are hit by a jet of high-pressureoil and suffe injury to your skin or eyes, wash the place with clean water, and consult a doctor immediately for medical attention. may penetrate your skin or cause blindness if it contacts you eyes directly.

If you are hit by a jet of high-pressureoil and suffe njury to your skin or eyes, w ash the place with clean water, and consult a doctor immediately SAFETY HANDLING HIGH-PRES SURE HOSES I f oil or fuel leaks from high-p ressure hoses, it may cause fire o r defective operation, w hich may lead to serious i njury. If any loose bolts are f ound, stop work and tighten to the s pecifi ed torque. If any da maged hoses are found, stop operations immediately and contact your Komatsu distributor. ollowing problems are found. lic fitting. posed reinforcement wire layer. portion. in covering.

Replace the hose if any of the f Damaged or leaking hydrau Frayed or cut covering or ex Covering swollen in places. Twisted or crushed movable Foreign material embedded WASTE MATERIALS To prevent pollution, pay caref ul attention to the method of disposing o f waste Always put oil drained from your machine in containers. Neve drain oil directly onto the g round or dump into the sewage kes. d regulations when disposing o system, rivers, the sea, or la AIR CONDITIONER MAINTENAN CE If a ir conditioner refrigerant gets into your eyes, it may cause blindness; i f it touches your ski n, it may cause fr ostbite. Never touch refrigerant.