Komatsu — PRECAUTIONS FOR MAINTENANCE

. SAFETY PRECAUTIONS FOR MAINTENANCE 2 - 29 WORK UNDER THE MACHINE If it is necessary to go unde r the work equipment or the machine to carry out service and equipment and machine se enough to support the w machine. maintenance, support the work curely with blocks and stands strong eight of the work equipment and It is extremely dangerous to work under the machine if the track shoes are lifted off the gro only with the work equipm touched by accident, or hydraulic piping, the wor suddenly drop. This is extre the work equipment or the und and the machine is supported ent. If any of the control levers is there is damage occurring to the k equipment or the machine wil mely dangerous.

Never work unde machine. NOISE If the noise from the machine is too loud, it may cause temporary or permanent hearing problems. W hen c arrying out maintenance of the engin e and you are exposed to noise for l ong period s of time, w ear ear c overs or ear plugs while working. PRECAUTIONS WHEN USING HAMMER When using a hammer, pins m ay fly out or metal particles may be scattered. This may lead to s erious injury. Always do as follows If hard metal parts such as pins, bucket teeth, cutting edges, o bearings are hit with a ha might be scattered and cau Always wear safety glasse mmer, there is a hazard that pieces se serious personal injury or death s and gloves.

When hitting pins or bucket teeth, there is a hazard that broken pieces might be sent flying area. Always check that th and injure people in the surrounding ere is no one in the surrounding area There is a hazard that the pin hit with strong force may fly out and injure people in th e surrounding area. REPAIR WELDING Welding operations must alwa ys be carried out by a qualified weld er and in a place equip ped with prope r equipment. There is a hazard of gas, fire, or electrocution when carrying out w elding, so never allow any unqualified per sonne to carry out welding.

REMOVING BATTERY TERMIN AL When repairing the electrical s ystem or when carrying out electric al welding, remove the negativ e (-) te rmina l of the battery to prevent the flow of current.