Loading/Unloading Tools - Grizzly G9901 Owner's Manual

Loading/Unloading
Tools
Your mill is equipped with a
that includes two spacers for tool attachment flex-
ibility (see Figure 44).
Spacers
Figure 44. Drawbar and spacers.
To load a tool into the spindle:
1.
DISCONNECT THE MILL FROM POWER!
2.
Clean any debris from the mating surfaces of
the spindle and tool.
3. Tighten the quill locking lever.
4.
Align the keyway of the tool with the protrud-
ing set screw inside the spindle, and push the
tool firmly into the spindle taper to seat it.
-38-
7 ⁄ "-20 x 18" drawbar
16
5.
Holding the tool in place, insert the drawbar
into the top of the headstock and thread it into
the tool (see Figure 45).
Figure 45. Drawbar inserted (Model G9902
shown).
6. Tighten the drawbar with a 19mm wrench.
Note: Only tighten the drawbar until it is
snug. Overtightening the drawbar could make
removing the tool difficult.
To unload a tool:
1. DISCONNECT THE MILL FROM POWER!
2. Tighten the quill locking lever.
3. Keeping one hand on the tool, use a 19mm
wrench to completely unthread the drawbar.
Note: If the tool does not immediately release
from the spindle when the drawbar is loos-
ened, you may need to strike the top of the
drawbar with a dead blow hammer or rubber
mallet.
Model G9901/G9902/G9903 Milling Machine
Drawbar