Grizzly G0492 - Manual (Page 36)

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G0492 12" X 36" Combo Lathe/Mill
To remove a cutter from the spindle:
1. DISCONNECT THE LATHE/MILL FROM
POWER!
2. Return the headstock to the highest position
and loosen the drawbar.
3. Put on leather gloves and support the chuck
or collet and unthread the drawbar approxi-
mately four turns.
4. Lightly strike the drawbar with a dead blow
hammer or a piece of wood to release the
arbor from the spindle.
5. Prepare to catch the arbor, and unscrew
the drawbar until the arbor drops into your
hand.
To install a cutter in the spindle:
1. DISCONNECT THE LATHE/MILL FROM
POWER!
2. Carefully clean the surface of the arbor and
spindle taper. Ensure that they are free of
debris and burrs.
3. Insert the arbor into the spindle, and rotate
the arbor so the slot in the arbor lines up with
the pin inside of the spindle.
4. Press the arbor up firmly to seat it with the
spindle.
5. Finger tighten the drawbar into place (Figure
44), then use a 12mm wrench to tighten the
drawbar (
Figure 45).
Note: Overtightening the drawbar makes
removal difficult and stretches the threads of
the arbor and the drawbar.
Figure 45. The drawbar.
Drawbar
Nut
Installing Cutters
Removing Cutters
6. Clear away all items from the cutting tool
before turning the mill ON.
Figure 44. Aligning drawbar with chuck arbor.
DO NOT
OVERTIGHTEN
DRAWBAR NUT
NOTICE
DO NOT completely unscrew the drawbar
prior to striking the drawbar or the initial
threads of the drawbar and tool will be
crushed.