. SAFETY PRECAUTIONS FOR MAINTENANCE may fly out and cause serious injury or damage. directly in front of grease drain valve (1). 2 - 32 PRECAUTIONS WHEN USING HIGH-PRESSURE GREASE TO ADJUST TRACK TENSIO Grease is pumped int o the track tension adjustmen t s ystem he specified procedure for maintenance aking adjustment, grease drain valve (1) When loosening grease drain valve (1) to loosen trac k tension, never loosen it more tha slowly. n one turn. In doing so, loosen the valve Never put your face, ha nds, feet, or any other part of y ou r body DO NOT DISASSEMBLE R ECOIL SPRING emble the recoils spring assembly.
It Never attempt to disass contains a spring under h igh pressure which serves as a shock absorber for the idler. If it is disassembled by mistake, t he spring will fly out and cause seri ous injury. When it becomes n ecessary to disassemble it, ask you r Komatsu distributor to do the work. PRECAUTION WITH HIGH- PRESSURE OIL lways under internal pressure. When inspecting or replacing piping or hoses, always The hydraulic system is a . check that the pressure in the hydraulic circuit has been released. If the circuit is still under pressure, it will lead to serious personal injury, so always do as follows. tion or replacement work when the hydraulic system is under pressure.
Do not carry out inspec tion or replacement work whe n th e hydraulic system is un If there is any leakage fr om the piping or hoses, the surrounding area will be wet, so check for cracks in the piping and hoses and for swel When carry out inspect ling in the hoses. ion, wear safety glasses and leather gloves. ion, wear safety glasses and l eather