. SAFETY PRECAUTIONS FOR MAINTENANCE Replace the hose if any of the following problems are found. Damaged or leaking hydraulic fitting. Frayed or cut covering or exposed reinforcement wire layer. Covering swollen in places. Twisted or crushed movable portion. Foreign material embedded in covering. immediately after it has stopped, injector terminal and inside the 2 - 37 PRECAUTIONS WITH HIGH-PRESS URE 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 t he circuit is still un der pressure, it will lead to serious personal injury, so alw ays do as follows. When carrying out inspectio n and maintenance of the pressure, release the pressure b efore starting . For details, see "STOP ENGINE BEFO replacement work with the c RE CARRYING OUT MAINTENANCE ( PAGE 2-33)". Do not carry out i nspection or ircuit under pressure. If there is any leakage from t he piping or hoses, the surrounding are a will be wet, so ch eck for cracks in the 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. circuit is stored by an accumulator. piping or components. e them, please ask your Komatsu emoval operation. wear safety glasses and leather gloves 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 The pressure in the E.C.S.S. Do not remove the E.C.S.S.
If it is necessary to remov distributor to carry out the r PRECAUTIONS FOR HIGH-PRESS URE FUEL High pressure is generated ins ide the engine fuel piping when the engine is running. Wh en carrying ou t inspection or maintenance of the fuel pipi ng system, wait for at least 30 second s after stopping th e engine to let the i nternal pressure go down before starti ng inspection or maintenance. HANDLING HIGH-PRESSURE HOS ES If oil or fuel leaks from high- pressure hoses, it may cause fire or defective operation, which may lea d to s erious injury or property damage. If any loose bolts are found, stop work a nd tighten to the s pecified torqu e. r.
If any damaged hoses are f ound, stop operations immediately and contact your Kom atsu distributo PRECAUTIONS FOR HIGH VOLTA When the engine is running o high voltage is generated at t engine controller, so there is da the injector terminal or the insi If it is necessary to touch the i engine controller, please conta