5.7.2 Cleaning air filter Always use clean and dry air to clean the air filter element. The air pressure should not exceed 600 Kpa. To make cleaning process more efficient, always direct the compressed air from inside to outside the element. Don’t clean the air filter with diesel or water. (Refer figure 5.1). compresed air ( Figure 5.1 5.7.3 Replacement of engine oil Generally, the oil and oil filter are required to be replaced at the same time. The oil shall be replaced at the time when engine is stopped after operating for a period of time and oil temperature of engine is a little lower than the operating temperature.
When replacing the oil, loosen and remove the drain plug provided on the side of the oil sump. After the engine oil is drained off completely, carefully inspect the magnetic part of the drain plug for accumulation of metal particles. Accumulation of various metal particles is the indication of abnormal wear of internal components. Carry out the inspection before proceeding to the next step. Wipe, clean the drain plug and re tighten it to oil sump. Add fresh oil from oil filling port as per required quantity of the specified grade. Start the engine and run it for a short time. Check the oil level, top up if required. Precautions Never run an engine without oil.
Do not run an engine with oil filler port open or oil dipstick taken out. 30