. SAFETY PRECAUTIONS FOR MAINTENANCE harmful objects such as oil, fuel, coolant, solvent, filters, and batteries. 2 - 37 PRECAUTIONS WITH HIGH-PRESSURE OIL The hydraulic system is always under int ernal pressure. When inspecting or replacing piping or hoses, always The hydraulic check that the pressure in the hydraulic cir cuit has been released . If th e circuit is still und er pressure, it wil l lead to serious perso nal injury, so always do as fo llows. When carry ing out inspection and mainte nance of the pressure , relea se the pressure be fore starting. For details, see "STOP replaceme ENGINE BEFORE CARRYI NG OUT MAINTENANCE (P AGE 2-33)".
Do n ot carry out inspe ction or nt work with the circuit under pressure. If there is a ny leakage from the piping or hoses, the surrounding area will be wet, so che ck for cracks in th e piping and hoses When carry and for swelling in the hoses out inspection, wear safety glasses and leather gl There is a h azard that high-pressure oil l eaking from small holes may penetr eyes directl injury to yo consult a d ate your skin or cause blind ness if it contacts you y. If you are hit by a jet of high -pressureoil and suffe ur skin or eyes, wash the plac e with clean water, and octor immediately for medica l attention. The pressu re in the E.C.S.S.
circuit is sto red by an accumulator Do not remove the E.C.S.S. piping or components. If it is necessary to remove them, please ask your Komatsu distributor to carry out the removal operation. ove the E.C.S.S. piping or co ssary to remove them, ple to carry out the removal oper HANDLING HIGH-PRESSURE HOSES If oil or fuel leaks from high-pressure ho ses, it may cause fire o r defective operation, w hich may lead to serious injury or pr operty damage. If any loose bolts are found, stop w ork an d tighten to the sp ecified torque. tsu distributor.
If any dama ged hoses are found, stop o perations immediately and c ontact your Koma Replace the h ose if any of the following pr Damaged or leaking hydraulic fitting. Frayed or cut covering or exposed reinf Covering s wollen in places. crushed movable portion. Twisted or Foreign m aterial embedded in covering WASTE MATER To prevent po llution, pay careful attention to the method of disposing o f waste materials. Always put oil drained from your machi ne in containers. Neve drain oil di system, riv rectly onto the ground or d ers, the sea, or lakes.
ump into the sewage ns when disposing o Obey appr MAINTENANCE OF AIR CONDITIONER If air condition er refrigerant gets into your e yes, it may cause blindness; i f it touches your sk in, it may cause fr ostbite. Never touch r efrigerant.