2014年10月23日星期四

high speed bearing 3 Maintenance Note

 1.equipped with ABS wheel hub bearing magnetic thrust ring, thrust ring mounted in order to determine which side, you can use a small light near the edge of something * high speed bearings, magnetic bearings will be attracted by it generated. When installing a magnetic thrust will take the side of the ring pointing inside, is on the ABS sensor. Note: Incorrect installation may lead to functional brake system failure.
9, many of the bearings are sealed, this type double row ball slewing bearing of bearing is not needed throughout the life of the grease increases. Other non-sealed bearings such as double row tapered roller bearings in the installation must be added grease. Because different lumen size of the bearing, it is difficult to determine how much of the added fat, the most important thing is to ensure that the grease bearing if too much fat, when the bearing is rotating, the excess oil will bleed. General Experience: During installation, the total amount of oil to account for 50% of the bearing clearance. 10, install the lock nut due to the different types of bearings and bearing housings, the size difference between the torque is great.
In the repair process, often found that some cars have a greater driving noise, no abnormal tire wear inspection, turn the wheels on the lift no abnormal sound. This phenomenon is often caused by abnormal wheel bearing damage caused by the so-called non-normal means of bearing damage caused by the installation ball and roller combined bearing of. Automotive wheel bearings are generally double row ball bearing, at the time of installation of the bearing installation if you use a hammer percussion, or when the bearing is installed into the bearing inner race of the bearing by pressing installed, will cause one side of the bearing raceways damage. Noise when the vehicle is traveling, and when the wheelie is better since the raceway side, and therefore noise was heard. Correct installation operation is the key to long life bearings.

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