SAFETY PRECAUTIONS FOR MAINTENENCE G Set safety lock lever and brake lock lever to the LOCK position. G When carrying out operations near the fan, fan belt, or other rotating parts, there is a hazard of being caught in the parts, so be extremely careful. G Do not touch any control levers. If any control lever must be operated, always give a signal to the other workers to warn them to move to a safe place. G Never drop or insert tools or other objects into the fan or fan belt. Parts may break or be sent flying. 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. HANDLING ACCUMULATOR G On machines equipped with an accumulator, for a short time after the engine is stopped, if the blade control lever is moved to the LOWER position, the work equipment will move down under its own weight. After stopping the engine, always place the safety lever in the LOCK position. G When releasing the pressure inside the work equipment circuit on machines equipped with an accumulator, follow the procedure given in the following section. Method of releasing pressure : See "HANDLING ACCUMULATOR (PAGE 3-59)".
G The accumulator is filled with high-pressure nitrogen gas, and it is extremely dangerous if it is handled in the wrong way. Always observe the following precautions. G Never make any hole in the accumulator or expose it to flame or fire. G Do not weld any boss to the accumulator. G When disposing the accumulator, it is necessary to release the gas from the accumulator, so please con- tact your Komatsu distributor. 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. 2-31