. MAINTENANCE MAINTENANCE PROCEDURE 4 - 62 5. When i nstalling , tighten until the packing surface contacts the seal surface of the filte r holder, then tighten it further 3/4 to 1 turn 6. After re placing the filter and add en gine oil through oil filler (F) to between the H and L for a short time, then stop the engine, L marks on dipstick ( G). dle 7. Run th e engine at i for a short then sto ngine, and ch eck that t he o il level is between the H and L marks on the dipstick . For details , se Check Oil Level in Engine O Pan, Add Oi l (PAGE open th ood H and