. SAFETY PRECAUTIONS FOR MAINTENANCE 2 - 29 WORK UNDER TH E MACHINE If it is necessar y to go under the work equip ment or the machine to carry out service and maintenance, support the work equipment and machine securely with block s and stands strong enough to su machine. pport the weight of the work equipment and It is extremely dangerous to work under the machine if the track shoes are lifte d off the ground and the m work equipment. If any of t achine is supported only with the he control levers is touched by a ccident, or there is damag g, the work equipment o e occurring to the r the machine wil hydraulic pipin suddenly drop. This is extremely dangerou s.
Never work unde the work equip ment or the machine. NOISE When carrying ou t maintenance of the engine and you are expose d to noise for long perio ds of time, we ar ear covers or ear plugs while working. he machine is too loud, it may cause temporary or permanent hearing problems. If t he noise from t he machine is too loud, it m ay cause temporary or permanent hearing PRECAUTIONS WHEN USING HAMMER When using a ha mmer, pins may fly out or me tal particles may be scattered. This m ay lead to serious injury. Al ways do as follows If hard metal p arts such as pins, bucket tee th, cutting edges, o bearings are h it with a hammer, there is a hazard that pieces tered and cause injury.
Always wear safety oves. might be scat goggles and gl When hitting pi ns or bucket teeth, there is a hazard that broken pieces might b e sent flying and injure peopl e in the surrounding area. Always c heck that there is no one in th e surroundingarea There is a haz ard that the pin hit with stron g force may fly out and injure people in th e surrounding area. REPAIR WELDING Welding operatio ns must always be carried ou t 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, s o never allow any unqualifie d personne to carry out weldi ng.
REMOVING BATTERY TERMINAL When repairing th e electrical system or when carrying out electric al welding , remove the negative (-) te rminal of the battery to prevent the flow of current.