3.4.6.1 Open the upper cover of the bearing, remove the blank cover, check the bearing, and it should meet the requirements. <br>3.4.6.2 Check the seal and bearing seat.
3.4. 6.1 open the upper cover of the bearing, remove the blind cover, and check the bearing, which shall meet the requirements.<br>3.4. 6.2 check the seal and bearing seat.
3.4.6.1, open the bearing upper cover, remove the cover, and check the bearing, which should meet the requirements. 3.4.6.2, check the seal and bearing seat.