MAINTENANCE INFORMATION 4.1 MAINTENANCE INFORMATION Oils, filters, coolants and batteries are considered special waste and must be collected and disposed of according to the regulations in force. The combustible material of some components may become extremely dangerous if it burns. For this reason, avoid any contact of burnt material with your skin or eyes and do not inhale the fumes. Do not carry out any inspection and maintenance operation that is not found in this manual. SERVICE METER READING Check the service meter reading every day to see if the time has come for any necessary maintenance mainte- nance to be performed.
KOMATSU GENUINE REPLACEMENT PARTS Use Komatsu genuine parts specified in the Parts Book as replacement parts. KOMATSU GENUINE LUBRICANTS Use Komatsu genuine oils and grease. Choose oils and grease with proper viscosities specified for ambient tem- perature. WINDSHIELD WASHER FLUID Use automobile window washer fluid, and be careful not to let any dirt get into it. FRESH AND CLEAN LUBRICANTS Use clean oil and grease. Also, keep the containers of the oil and grease clean. Keep foreign materials away from oil and grease. CHECK DRAINED OIL AND USED FILTER After oil is changed or filters are replaced, check the old oil and filters for metal particles and foreign materials.
If large quantity of metal particles or foreign materials are found, always report to the person in charge, and carry out suitable action. FUEL STRAINER If your machine is equipped with a fuel strainer, do not remove it while fueling. WELDING INSTRUCTIONS Turn off the engine ignition switch. Do not apply more than 200 V continuously. Connect grounding cable within 1 m (3.3 ft) of the area to be welded. If grounding cable is connected near instru- ments, connectors, etc., the instruments may malfunction. If a seal or bearing happens to come between the part being welded and grounding point, change the the grounding point to avoid such parts.
Do not use the area around the work equipment pins or the hydraulic cylinders as the grounding point. 156 WARNING