Precision matthews PM-1127VFI-LB, Safety & Training Manual

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Facing
A lathe can be used to create a smooth, flat, face very
accurately perpendicular to the axis of a cylindrical part.
First, clamp the workpiece securely in the lathe chuck. Then,
install a facing tool. Bring the tool approximately into position,
but slightly off of the part. Always turn the spindle by
hand before turning it on. This ensures that no parts interfere
with the rotation of the spindle.
Move the tool outside the part and adjust the saddle to take the
desired depth of cut. Then, feed the tool across the face with
the cross slide. If a finer finish is required, take just a few
thousandths on the final cut and use the power feed.
Be careful clearing the ribbon-like chips; They are very sharp.
Do not clear the chips while the spindle is turning. After facing,
there is a very sharp edge on the part. Break the edge with a
file.