Lubrication system 7. Remove the paper insert and scrape away any remaining dirt deposits inside the rotor cover. If the deposits are thicker than 28 mm, the centrifugal oil cleaner must be cleaned more often. 333 044 333 037 8. Wash the parts. 9. Inspect the 2 nozzles on the rotor. Ensure that they are not blocked or damaged. Renew any damaged nozzles. 10. Check that the bearings are undamaged. OPM 100 en-GB 40 © Scania CV AB 2015, Sweden