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Position the ball screw assembly (from Step 16) so that:

The end with the thread faces towards the FK12 mount

The side of the ball screw block with the screw holes faces away from the X-axis gantry assembly

Carefully feed the non-threaded end of the ball screw through the open hole in the right plate on the gantry

Align the threaded end of the ball screw with the hole in the FK12 mount

Whilst supporting the full length of the ball screw, insert the threaded end through the hole in the FK12 mount

The ball screw is a precision fit into the FK12 mount. Do not force the ball screw in to the mount. When correctly aligned, it should slide in with little effort

Install the FF12 ball screw mount onto the free end of the ball screw and into the opening on the right plate

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