24. SERVICE PROCEDURE 4. If the oil does not reach the L mark F on dipstick G , add engine oil through dipstick insertion hole F . When refilling, remove bleeding plug a . For details of the oil to use, see 20. “USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE”. 5. If the oil level exceeds the H mark on the dipstick, loosen drain plug P to drain the excess oil. 6. After checking oil level or adding oil, insert the dipstick into the hole and install air bleeding plug a . 24.4.3 DRAIN WATER AND SEDIMENT FROM FUEL TANK 1. Carry out this procedure before operating the machine. 2. Prepare a container to catch the fuel that is drained. 3.
Open valve a at the bottom of the tank and drain the sediment and water that has accumulated at the bottom together with fuel. When doing this, be careful not to get fuel on yourself. 4. When only clean fuel comes out, close drain valve a . NOTICE Never use trichlene for washing the inside of the tank. 24.4.4 CLEAN CAB FRESH AIR INTAKE FILTER 1. Loosen wing nut b from partition c and turn lock plate a . 2. Access to filter ass’y d is now possible. 3. Clear filter d by using compressed air. If there is oil on the filter or it is extremely dirty, wash it in a neutral washing agent. after washing, dry it thoroughly before reusing.
If the dirt clogging the filter cannot be removed by blowing it with air or washing it in water, replace it with a new one. REMARK: It the filter becomes clogged, the air flow is reduced which will cause the heater fan to produce an abnormal noise. d NOTICE: As a guideline, the filters should be cleaned every 500 hours, on dusty job sites this interval should be reduced. c a b PC450-ENG 3-53