Komatsu — PRECAUTIONS BEFORE STARTING INSPECTION AND MAINTENANCE

. SAFETY PRECAUTIONS FOR MAINTENANCE PROPER TOOLS Use only tools suited to the task and be sure to use the tools correctly. Using damaged, deformed, or low quality tools, or making improper use of the tools may cause serious personal injury. 2 - 30 PRECAUTIONS WHEN WORKING UNDER MACHINE OR WORK EQUIPMENT Make su re the hoists nough to hand or jacks you us e are in good re f the component ne is damaged, pair and strong e le the weight o . Never use jack s at places w here the machi bent, or twisted. Never use fray ed, twisted or p inched wire rope . Never use bent or distorted h ooks.

It is extre mely dangero us to work unde r the machine if t he track shoes ar e lifted off the the work eq ground and th uipment. If any e machine is su pported only with of the control l evers is touched by accident, or there is da mage occurring to the ine will hydraulic piping, the work equipme nt or the mach suddenly drop. This is extremely dang erous. Never wor k under the work equipment or the machine.

If it is ne cessary to rai se the work eq achine and maintena nce, support the work equip ment and mach support t he weight of t he work equipm ent and machine If the wo rk equipment a nd machine are not supported, t here is a hazard that they may come down and that t his may lead to serious pe rsonal injury or Never us e concrete blo cks for support s. They can coll apse under even light