Inner CV Joint, Checking
It is necessary to disassemble the joint whenever replacing the grease or if the ball surfaces show wear or damage.
Disassembling
Ball hub and joint are paired and should be identified before removal. Do not interchange ball race allocation.
-- Pivot the ball hub with the ball cage -1- and remove it from the joint -2- -arrow-.
-- Remove the balls from the cage.
-- Tip the ball hub -1- out of the ball cage -2- through the running path of ball -arrows-.
-- Check the joint, ball hub, ball cage and balls for small broken off depressions (pitting) and chafing.
Excessive backlash in joint will be noticed as a knock during load changes. Joint must be replaced in such cases. Flattening and running marks on the balls are no reason to replace the joint.
Assembling
Assemble in the reverse order of removal. Note the following:
-- Insert the ball hub into the ball cage via two chamfers. The installation position is arbitrary. Press balls into cage.
-- Insert the hub -1- with the cage -3- and balls -2- upright into joint piece -4-.
- When inserting, make sure that in each case the wide gap -a- at joint piece contacts narrow gap -b- at hub after swinging in.
- Chamfer on inner diameter of wheel hub (splines) must face toward drive axle.
-- Swing in ball hub, to do so swing out hub far enough from cage -1- -arrows- so that the balls have the distance of the running paths.
-- Swing in hub -1- with balls by pressing forcefully onto cage -arrow-.
Check the CV Joint Function.
The CV joint -2- is properly assembled, if the ball hub can be slid back and forth by hand over the entire length adjustment.
-- Press grease into joint body.
Grease quantities and types, drive axle with inner CV joint. Refer to Grease Quantity and Type .