Replace Dunham Drawtube

To replace the drawtube:

(Do not remove collet closer from spindle)

1. Remove the collet.
2. Remove the rear snap-ring.
3. Pull knurled knob, rear bearing and drawtube completely out of the collet closer.
4. Loosen (4) dog-point set-screws to clear holes in drawtube, then pull drawtube out of knurled knob assembly.
5. Replace drawtube and verify four holes are lined up with set-screw holes.
6. Replace (4) dog-point set-screws. Verify that set-screw dogs go into holes in drawtube.
7. Push drawtube back into collet closer.
8. Replace Rear snap-ring.