SAFETY PRECAUTIONS FOR MAINTENANCE PROPER TOOLS Use only tools suited to the task and be sure to use the tools correctly. Using damaged, low quality, faulty, makeshift tools or improper use of the tools could cause serious personal injury. ACCUMULATOR The accumulator is charged with high-pressure nitrogen gas. When handling the accumulator, careless procedure may cause an explosion which could lead to serious injury or prop- erty damage. For this reason, always observe the following precautions. q Do not disassemble the accumulator. q Do not bring it near flame or dispose of it in fire. q Do not make holes in it, weld it, or use a cutting torch.
q Do not hit or roll the accumulator, or subject it to any impact. q When disposing of the accumulator, the gas must be released. Please contact your Komatsu distributor to have this work performed. NO UNAUTHORIZED PERSONNEL INTO AREA Only authorized personnel can service and repair the machine. Do not allow unauthorized personnel into the area. If necessary, employ an observer. ATTACHMENTS q Appoint a leader before starting removal or installation operations for attachments. q Place attachments that have been removed from the machine in a stable condition so that they do not fall. And take steps to prevent unauthorized persons from entering the storage area. 2-29