Lubrication system 18. Fit a new O-ring in the cover. Refit the cover and tighten the lock nut. IMPORTANT! To reduce the risk of oil leakage it is important to tighten the cover to the correct tightening torque. From engine serial number 6 841 928: Tightening torque 20 Nm. Older engine serial number: Tightening torque 15 Nm. Note: A torque wrench together with a ratchet head is suitable for use during maintenance of the cen- trifugal oil cleaner. 333 043 333 039 Operational testing Operational testing need only be carried out if it is suspected that the centrifugal oil cleaner is malfunctioning. For example, if the dirt deposit is abnormally small given the distance driven.
The rotor rotates very fast and should continue to turn when the engine has stopped. 1. Run the engine until it reaches normal oper- ating temperature. 2. Turn off the engine and listen for the sound from the rotor. Use your hand to feel if the filter housing is vibrating. 3. If the filter housing is not vibrating, disman- tle and check the centrifugal oil cleaner. 00:23-02 en-GB 16 © Scania CV AB 2016, Sweden