24. SERVICE PROCEDURE 7. When installing the filter cartridge, bring the packing surface into contact with the filter holder, then tighten a further 3/4 – 1 turn. 8. After replacing the filter cartridge, add engine oil through oil filler F until the oil level is between the H and L marks on the dipstick. 9. Run the engine at idling for a short time, then stop the engine, and check that the oil level is between the H and L marks on the dipstick. For details, see “24.3 CHECK BEFORE STARTING”. NOTICE Even if the machine has not been operated for 250 hours, the oil and filter cartridge must be replaced when the machine has been operated for 6 months.
In the same way, even if the machine has not been operated for 6 months, the oil and filter cartridge must be replaced when the machine has been operated for 250 hours. 3-48