4.1 Guides to maintenance Maintenance 4.1 Guides to maintenance Do not carry out any inspection and maintenance operation that is not found in this manual. Check service meter: Check the service meter reading every day to see if the time has come for any necessary maintenance to be carried out. KOMATSU genuine replacement parts: Use KOMATSU genuine parts specified in the Parts Book as replacement parts. KOMATSU genuine oils: Use KOMATSU genuine oils and grease. Choose oils and grease with proper viscosities specified for ambient tempera- ture. Always use clean washer fluid: Use automobile window washer fluid, and be careful not to let any dirt get into it. Always use clean oil and grease:
Use clean oil and grease. Also, keep the containers of the oil and grease clean. Keep foreign materials away from oil and grease. Checking for foreign materials in drained oil and on filters: 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: Do not remove the strainer from the filler port when adding fuel. Welding instructions: z Turn off the engine starting switch. z Do not apply more than 200V continuously.
z Connect grounding cable within 1m (3.3 ft) from the area to be welded. If grounding cable is connected near instru- ments, connectors, etc., the instruments may malfunction. z If a seal or bearing happen to come between the welding part and grounding point, change the grounding point to avoid such parts. z Do not use the area around the work equipment pins or the hydraulic cylinders as the grounding point. 4-2 WA150-5H – VEAM934100