Milltronics ML Series, Instruction Handbook Manual, Page: 38 / 83

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By inserting a ground bar into the spindle with the chuck removed. This requires
a bar that has the morse taper of the spindle ground into its end. Typically there
is a spindle taper adapter plug shipped with the machine to be used with a
center, and this taper can be used as well. Using the taper eliminates any need
for dialing in the bar, so long as the mounting taper is ground concentric with the
bar.
The tail stock should not be used when checking head stock taper.
If the lathe is level and taper exists, the head stock can be adjusted. This is done by
loosening the bolts holding the head stock to the bed of the machine and using the
adjuster found at the rear bottom edge of the head stock case. Adjust and recheck as
necessary.