Grizzly T31739 Owner's Manual page 25

Removing Drill Chuck Arbor
The arbor can be removed to install other Morse
Taper #2 tooling in the spindle. A drift key is
included to help remove the arbor or other tooling
from the spindle.
Items Needed
Metal Hammer ................................................... 1
Towel or Cloth .................................... As Needed
To remove drill chuck arbor:
1. DISCONNECT MACHINE FROM POWER!
2. Rotate downfeed handles until drift key slot is
exposed in side of quill (see Figure 24).
Drift Key
Slot
Figure 24. Drift key slot exposed.
3. Adjust feed return stop nut shown in Figure
25 so it touches stop bracket. The quill should
not return up into the head casting when
depth stop is adjusted this way.
Return Stop
Nut
Figure 25. Feed return stop nut location.
4. Move table up until it is
chuck, and place a towel or cloth under the
chuck.
Model T31739 (Mfd. Since 11/19)
Qty
Stop Bracket
⁄ " below bottom of
1
4
5. Rotate spindle until inner drift key slot is
aligned with outer slot (see Figure 26). You
will see through the spindle when the slot is
properly aligned.
Figure 26. Inner and outer drift key slots aligned.
6.
Insert drift key into drift key slot, and allow
quill to rise, trapping drift key.
7.
Tap drift key with a metal hammer (see
Figure 27) until chuck releases.
Figure 27. Using drift key to remove arbor from
spindle.
8.
Hold downfeed handle with one hand, and
adjust feed return stop back to bottom of
depth stop with the other hand.
9.
Carefully retract the quill into the headstock.
Both Slots
Aligned
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