3.4.6. Replacement of the external hinge of equal angular speeds

Remove collars of fastening of a protective cover and shift a cover from the hinge on a power shaft.
Carefully clear an internal part of the hinge and remove a spring lock ring from the inside of the hinge.
Fix a power shaft in a vice with soft sponges and the aluminum or copper hammer bring down the hinge from a power shaft.
Remove a spring lock ring, laying and a dish-shaped washer from the end of a power shaft.
Fill the internal hinge with 90 grams of lubricant.
Establish on a power shaft a dish-shaped washer, the convex party to the hinge.
Establish a new spring lock ring on a power shaft, fix a shaft in a vice with soft sponges, and the aluminum or copper hammer fill the hinge on a power shaft, at the same time the lock ring has to enter accurately a flute on hinge inside.
Install a protective cover on the hinge and fix it by collars, the screw-driver raise an inner edge of a cover, for alignment of pressure of air under a cover. Fastening of collars requires use of the special tool.
Establish sponges of the tool on collar clip corners, and in this situation tighten sponges the screw.