SAFETY WARNING: For reasons of safety, always follow these safety precautions. On machines equipped with an accumulator, for a short time after the engine is stopped, the work equipment will lower under its own weight when the work equipment control lever is shifted to LOWER. After the engine is stopped, set the safety lock lever to the lock position and also lock the attachment pedal with the lock pin. When releasing the pressure inside the work equipment circuit on machines equipped with an accumulator, follow the procedure given in the inspection and maintenance section. Method of releasing pressure !
See 11.22 HANDLING ACCUMULATOR on page 2-42 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: ! Never make any hole in the accumulator or expose it to flame or fire. ! Do not weld any boss to the accumulator. ! When carrying out disassembly or maintenance of the accumulator, or when disposing of the accumulator, it is necessary to release the gas from the accumulator. A special air bleed valve is necessary for this operation, so please contact your distributor. Gas in accumulator ! See 11.22 HANDLING ACCUMULATOR on page 2-42 !
When installing and using an optional attachment, read the instruction manual for the attachment and the information related to attachments in this manual. ! Do not use attachments that are not authorized by your distributor or Komatsu America International Co. Use of unauthorized attachments could create a safety problem and adversely affect the proper operation and useful life of the machine. ! Any injuries, accidents, product failures resulting from the use of unauthorized attachments will not be the responsibility of Komatsu America International Co. !
When starting the engine, or using fuel, flushing oil, or paint indoors or in areas with poor ventilation, always open the windows and doors to improve the ventilation and prevent the danger of gas poisoning. ! If the ventilation is still insufficient even when the windows and doors are opened, use a ventilation fan. 1-8 MACHINES WITH ACCUMULATOR PRECAUTIONS FOR ATTACHMENTS INDOOR VENTILATION