This procedure tells how to upgrade the black oxide bearing to the improved bearing upgrade kit P/N 93-2282.
Machines with the new style ballscrew.
Remove the black oxide bearing pack assembly from the motor mount. Inspect and clean the bearing surfaces.
Install the cartridge bearing [A] to the motor mount with bumper mounting holes oriented perpendicular to the face. Tighten the bearing using the included hardware [B].
Install the bumper [C] to the face of the bearing.
Important: Inspect the ballscrew bearing journal and shoulder. This surface must be clean and burr-free.
Carefully install the ballscrew  into the motor housing assembly.
Install the spacer .
Install the locknut  on ballscrew with the relieved shoulder facing the bearing pack.
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