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G0619 DELUXE SMALL MILL/DRILL
-17-
If you do not use the drill chuck and arbor, you
need to use a collet to insert the cutting tool into
the spindle. Your Model G0619 features an R-8
spindle taper, which gives the freedom to use
standard R-8 collets. These optional collets come
in many sizes, typically ranging from
1
⁄16" to
7
⁄8"
and 3mm to 20mm, and should be matched to
your cutting tool shank size.
To install the R-8 collet:
1. DISCONNECT THE MILL/DRILL FROM
POWER!
2. Unscrew the drawbar cap.
3. Carefully clean the surface of the collet and
spindle taper. Ensure that it is free of debris
and is lightly oiled
.
4. Insert the cutting tool into the collet, then
insert the collet up into the spindle taper.
5. Rotate the collet so it engages the align-
ment pin inside of the spindle, then slide the
collet upward until it makes contact with the
drawbar threads.
6. Thread the drawbar into the collet until the
collet draws up into the spindle taper.
7. While supporting the tool in the collet with
one hand, snug the drawbar with the
drawbar
hex wre
nch in your opposite hand.
Note: Do not overtighten the drawbar.
Overtightening makes collet removal difficult
and will damage the drawbar threads, collet,
and the spindle taper. Keep in mind that the
taper keeps the collet and tool in place. The
drawbar simply aids in seating the taper.
R-8 Collets
To remove the collet:
1. DISCONNECT THE MILL/DRILL FROM
POWER!
2. Tighten the headstock lock.
LACERATION HAZARD!
Leading edges of end mills
and other cutting tools can
be very sharp.
Protect your
hands with gloves or a shop
towel when handling.
NOTICE
DO NOT completely unscrew the drawbar
before striking it with the hammer. You will
damage the threads on the drawbar and the
arbor.
3. Protect the table surface with a piece of card-
board or hold the cutter/tool with a shop towel
to prevent it from falling out of the collet.
4. Using the drawbar hex wrench, loosen the
drawbar but DO NOT remove it.
5. Using the brass hammer, tap the drawbar to
unseat the taper.
6. Unscrew the rest of the drawbar by hand and
remove the collet.
Note: When not in use, always remove
collets and cutting tools from the spindle
taper. Oxidation may cause the collet to seize
and make it hard to remove later.