MAINTENANCE 17. GUIDES TO MAINTENANCE Do not perform any inspection and maintenance operation not given in this manual. Perform maintenance work on hard, flat ground. Set to the inspection and maintenance posture. Always perform an inspection with the machine in the following posture unless otherwise specified. Lower the work equipment to the ground and set in the posture shown in the diagram on the right. Set all control levers to the neutral or HOLD position. Set the safety levers to the LOCK position. Press the parking brake switch to apply the parking brake. Put blocks in front and behind the tires. Lock the front and rear frames with the safety bar. Check service meter:
Check the service meter reading every day to see if it is time for any necessary maintenance to be carried out. Komatsu genuine replacement parts: Use genuine Komatsu parts specified in the Parts Book as replacement parts. Komatsu genuine oils: Use genuine Komatsu oils and grease. Choose oils and grease with proper viscosities specified for ambient temperature. 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 containers of the oil and grease clean. Keep foreign materials away from oil and grease. Keeping the machine clean: Always keep the machine clean.
This makes it easier to find parts causing problems. In particular keep grease fittings, breathers and oil level gauges clean and avoid foreign matters from getting in them. Be careful of hot water and oil: Draining hot oils and coolants and removing their filters immediately after the engine stops are hazardous. Allow the engine to cool. If the oil has to be drained when it is cold, warm up the oil to a suitable temperature (approx. 20 to 40 [68 to 104 Check for foreign materials in drained oil and on filter: After oil is changed or filters are replaced, check the oil and filters for metallic particles and foreign materials.
If large quantities of metallic particles or foreign materials are found, consult your distributor. Fuel strainer: If your machine is equipped with a fuel strainer, do not remove it while fueling. Oil change: Check or change oils in the places where dust is scarce to keep foreign materials away from oils. WA450-3MC 3-2