. SAFETY PRECAUTIONS FOR MAINTENANCE the machine when it is raised in strong enough to support the pins, and bearings are hit with a small pieces will fly off; this may protective glasses, hard hat, and there is a hazard that the metal hit with strong force may fly out 2 - 29 HANDLING SUSPENSION CYLINDE R The suspension cylinder is char ged with high-pressure nitrogen gas . If any mistak e is mad e in handling, it m ay lead to serious injury. To prevent th is, always do as follows. le the cylinder. dispose of it in fire. it, or use a cutting torch. mmering, rolling or similar activity. utor when sealing gas into the cylinder or releasing gas from it.
Do not remove or disassemb Do not bring it near flame or Do not make holes in it, weld Do not bear any shock by ha mmering, rolling or similar activity. Ask for your Komatsu distrib utor when sealing gas into the cylinder or re leasin g gas fr PERSONNEL Only authorized personnel can service and repair the machine. Do not allo w unauthorize d personnel into t he area. If necessary, employ an observ er. WORK UNDER THE MACHINE If it is necessary to go unde order to carry out service or securely with blocks and sta weight of the machine.
When carrying out inspection set the dump lever to the HO then insert the safety pin secu "SAFETY PIN (PAGE 3-35)" NOISE When carrying out maintenance of the engine and you are exposed to noise for long period s of time, wear ea r covers or ear plugs while working. too loud, it may cause temporary or permanent hearing problems. If t he noise from the machine is too loud, it may cause temporary or permanent h earing p roblems PRECAUTIONS WHEN USING HAM When using a hammer, pins ma scattered. This may lead to se If hard metal parts such as hammer, there is danger tha lead to seious injury. Wear other protective equipment.
If pins are hit with a hamme particles may fly out and inju Always make sure that no on using the hummer. There is a hazard that the pi and injure people in the surr REPAIR WELDING Welding operations must alway s be carried out by a qualified welder and in a place equippe d with proper equ ipment. There is a hazard of gas, fire, or electrocution when carrying out welding, s o never allow a ny unqualified pe rsonne to carry out welding.