. MAINTENANCE GUIDES TO MAINTENANCE bolts, or tools inside the machine. LOCKING INSPECTION COVERS: WARNING HANDLING HIGH-PRESSURE HOSES,PIPING: WARNING 4 - 6 DO NOT DROP THINGS I When opening insp ection windows or the oil filler port of the tank to perform insp ection, be car eful not to dr op nuts, opped inside the machine, it may cause dama ge and/or m alfunction of th e machine, and will u drop anything inside the machi ne, always r emove it im mediately. Do not put unneces sary things in your pockets. Car ry only thing s which are necessary for i AVOID MIXING OILS:
If a different brand or g rade of oil has to be added, drain the old oil an d replace all the oil with the new brand or grade of oil. Never mix differ ent brand or grade of oil. After opening the inspec tion cover, secure it in position with t he lock bar. If it is not locke d and a gust of wind blows d uring the inspection operation, the inspection cover may shut suddenly and cause inj ury. Lock inspection cover securely into position with the lo ck bar at insp ection or m Fix the hoses, tubes, g uards, and piping cushions securely in position. If t hey are loose , they will vibrat e during operation and rub against other part to spurt out and caus s.
There is danger that will cause we ar or make hol es in the hose s or tubes, allo wing high-pressure oil e a fire. If the oil or fuel leaks from the high-pressure hoses or pi ping, there is danger of fire or serious pers onal injury c aused by defective operation. I operations and tighten your Komatsu distrib • Damaged or leaking h • Frayed or cut coverin • Covering swollen in p • Twisted or crushed m • Foreign material embe f any loose hose or piping mounts are found, or there is oil o r fuel leaking fr om the mou nts, s top to the specified tightening torque. If any damage or deformation of the hoses or p iping is found , consult utor.
If the following conditions are fo und, replace t If there is any leakage of oil or fuel from the hoses or p iping, tighten to the spec ified tightenin g torque. Fo r details of the specified tighte 4-19)". ning torque, see "STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS (PAGE are damaged, replace them. GHTENING TORQUES If the hoses or piping