Darex XPS-16 Operating Instructions - Manual (Page 51)

51
Use of the rear collet is similar to the forward
collet, first the Primary Knob must be installed in
to the spindle omitting the ER collet. The collet is
installed into the Secondary Knob as shown be-
low.
To use both forward and rear collets to-
gether, first install the forward collet with Primary
Knob and then the rear collet with Secondary
Knob. The collets can both be the same size or the
rear one may be larger. Insert the drill and tighten
the Secondary Knob until both collets close and
secure the drill.
Certain lengths of step-shank drills may require
use of the rear collet by itself or the use of both
collets (see drill photo).
Chuck Information
XPS-16 Collet Chuck cont.