GENERAL PRECAUTIONS SAFETY WARNING: For reasons of safety, always follow these safety precautions. PRECAUTIONS FOR ATTACHMENTS q When installing and using an optional attachment, read the instruction manual for the attachment and the information related to attachments in this manual. q Do not use attachments that are not authorised by Komatsu or your Komatsu distributor. Use of unauthorised attachments could create a safety problem and adversely affect the proper operation and useful life of the machine. q Any injuries, accidents, product failures resulting from the use of unauthorised attachments will not be the responsibility of Komatsu.
MACHINES WITH ACCUMULATOR 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, raise safety lock lever to the LOCK position. 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 "HANDLING ACCUMU- LATORS (192)" 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. q Never make any hole in the accumulator or expose it to flame or fire. q Do not weld anything to the accumulator. q When carrying out disassembly or maintenance of the accu- mulator, or when disposing of the accumulator, it is necessary to release the gas from the accumulator. A special bleed valve is necessary for this operation, so please contact your Komatsu distributor. Gas in accumulator, see "HANDLING ACCUMULATORS (192)" 26 PW200-7H/PW220-7H VEAM370101