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9) Set the collet in the spindle motor after finishing cleaning,
There is a projection on the inner surface of the spindle motor for securing the
collet.
Ensure that the flat area of the collet (see the photograph at left) is fitted to this
projection. Turning the collet little by little in order to fit to this projection. The
collet can easily go all the way to the end, if it is fitted in the right spot. Do not
push the collet with excessive force. It will hurt a shaft within the spindle motor.
Projection inside for securing the collet
Projection inside for securing the collet
A flat area for securing the collet within
the spindle motor
The collet after being inserted into
the spindle motor completely
Be sure to install a dummy tool in the collet after setting the collet.