Thoroughly clean the inside of the joint and remove the snap ring from the inside of the joint.
Secure the drive shaft in a vice with soft jaws and use an aluminum or brass hammer to knock the joint off the drive shaft.
Remove the snap ring, gasket and Belleville washer from the end of the drive shaft.
Fill the inner joint with 90 grams of grease.

Install a disc washer on the drive shaft, with the convex side facing the hinge.
Install a new snap ring onto the drive shaft, secure the shaft in a vice with soft jaws, and use an aluminum or brass hammer to tap the joint onto the drive shaft until the snap ring fits neatly into the groove on the inside of the joint.
Install the protective cover on the hinge and secure it with clamps, use a screwdriver to lift the inner edge of the cover to equalize the air pressure under the cover. A special tool must be used to secure the clamps.

Place the jaws of the tool on the corners of the clamp clamp and tighten the jaws with the screw in this position.

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