Model g0554z (Mfg 01/09+)
-27-
Figure 30. reversing jaws.
3. Clean away debris and oily substances from
the mating surfaces of the jaws.
4. Flip each jaw 180°, then re-install the cap
screws to secure top jaws, as shown in
Figure 30.
3. use the chuck key to open the jaws so that
the workpiece lays flat against the chuck
face, jaw steps, or fits into the spindle hole.
see
Figure 31 for examples of workpiece
holding options for the 3-jaw chuck.
Securely
mount
your
workpiece and remove the
chuck key! Thrown objects
from a lathe can cause seri-
ous injury or death to the
operator and to bystanders
many feet away.
Mounting in an Inside Diameter
Mounting on an Outside Diameter
Figure 31. Examples of workpiece mounted in
the 3-jaw chuck.
Mounting Workpiece
Tools Needed
Qty
3-Jaw Chuck Key .............................................. 1
plywood
3
⁄
4
" (Bedway) ....................................... 1
To mount a workpiece onto the 3-jaw chuck:
1. disConnECt lAthE FroM poWEr!
2. place the piece of plywood on the bedway
below the chuck to protect it.
4. use the chuck key to tighten the jaws until
they make contact with the workpiece.
5. turn the chuck by hand to make sure the
workpiece has even contact with all three
jaws and the workpiece is not off-center.
— if the workpiece is not evenly held by all
three jaws or is off-center, loosen the jaws
and repeat
Steps 3–4.
— if the workpiece is seated correctly onto the
chuck, fully tighten the jaws.