Triple Roller Joint AAR 2000 Outer CV joint, Checking
Triple Roller Joint AAR 2000 Outer CV joint, Checking
In order to replace grease in case of contamination, joint must be disassembled or if journal surface of balls must be checked for wear and damage.
Removing
- Mark position of ball hub to ball cage and to housing before disassembling, using electro-writer or grindstone.
- Swing ball hub and ball cage.
- Remove balls in sequence.
- Turn cage, until two rectangular windows - arrow - contact joint body.
- Lift out cage with hub.
- Swing segment of hub into rectangular window of cage.
- Fold hub out from cage.
6 balls for each joint belong to a tolerance group. Check stub axle, hub, cage and balls for small depressions (pitting build-up) and chafing. Excessive circumferential backlash in joint makes itself noticed via tip-in shock, in such cases joint should be replaced. Flattening and running marks of balls are no reason to replace joint.
Installing
- Insert cage with hub into joint body.
- Press in opposing balls in sequence, during this, previous position of ball hub to ball cage and to joint body must be re-established.