2. Ensure that the shaft is dry and free of grease or oil, especially in the absence of axial support.
3.Such a group of parts should have an axial gap. To avoid damage to the sealing lip, do not pull the seal on the sharp edge during installation..
4.These seals are typically incorporated into closed channels. Special installation tools are required where the entrance is restricted.
5. Verify whether the DKB seal is evenly stretched around the shaft.