Komatsu — Komatsu Excavator Manual (EN)

. 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 making improper use of the tools may cause serious injury. 2 - 37 PRECAUTIONS WHEN WORKING UNDER MACHINE OR WORK EQUIPMENT Make su re the hoists nough to hand or jacks you us e are in good r f the compone ne is damaged, epair and strong e le the weight o nt. Never use jack s at places w here the machi bent, or twisted. Never use fray ed, twisted or p inched wire rop e. Never use bent or distorted h ooks. It is extre mely dangero us to work unde r the machine if the track shoes ar e lifted off the the work eq ground and th uipment.

If any e machine is s upported only with of the control levers is touched by accident, or there is da mage occurrin g to t hine he hydraulic piping, the work equipme nt or the mac will suddenly drop. This is extremely dang erous. Never w ork under the work equipment or the machine. If it is ne cessary to rai se the work eq machine and maintena nce, support the work equip ment and mac support t he weight of t he work equipm ent and machin If the wo rk equipment a nd machine are not supported, there is a hazard that they may come down and that this may lead to serious pe rsonal injury or Never us e concrete blo cks for support s. They can co llapse under even light tools, or personal