Inner CV Joint, VL90 and VL100, Checking

Inner CV Joint, VL90 and VL100, Checking

Removing

In order to replace grease in case of strong contamination, joint must be disassembled and if journal surfaces and balls must be checked for wear and damage.

- Swing ball hub and ball cage.





- Press out ball joint housing in direction of - arrow -.

- Press balls out of cage.

• Ball hub and joint piece are paired. Do not interchange.

- Flip out ball hub from ball cage via running path of ball - arrows -.





- Check joint piece, ball hub, ball cage and balls for small broken off depressions (pitting build-up) and chafing.

Excessive circumferential backlash in joint makes itself noticed via tip-in shock. Joint must be replaced in such cases. Flattening and running marks of balls are no reason to replace joint.

Installing

- Insert ball hub into ball cage via two chamfers. The installation position is at random. Press balls into cage.





Ball hub has 2 different distances between ball tracks, a larger and a smaller.

- Insert hub with cage and balls upright into joint piece, a smaller space - b - must face toward open side of joint piece when doing this.





- Also note chamfer on inner diameter of ball hub, it must be visible after swiveling in.

- Swing in ball hub; to do so, swing out hub far enough out of cage - arrows - (as depicted in illustration).





- Swing in hub with balls by pressing forcefully onto cage - arrow -.





CV joint, checking for function

CV joint is properly assembled, if ball hub can be slid back and forth by hand over whole compensation length.