Inner CV Joint, Checking

Inner CV Joint, Checking

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

Disassembling

• Ball hub and joint are paired and should be identified before removal. Do not interchange cage allocation.

- Swing ball hub and ball cage and pull out of joint in direction of - arrow -.





- Press balls out of cage.

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





Checking

- 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.

Assembling

- Press quantity of grease into joint body => [ Grease quantity and type ] Drive Axle Assembly Overview, With 100 mm Inner CV Joint (dia. 100 mm) or => [ Grease quantity and type ] Drive Axle Assembly Overview, With 108 mm Inner CV Joint (dia. 108 mm), grease quantity and type.

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





- Insert hub with cage and balls upright into joint piece.

• When inserting, make sure that in each case the wide gap - a - at joint piece contacts narrow gap - b - at hub after swinging in.





- Swing in ball hub, to do so swing out hub far enough from cage - arrows - so that the balls have the distance of the running paths.





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





Constant velocity joint, checking for function:

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