It looks like the guys have missed an obvious point. To remove the chuck "arbor" you will need to loosen the draw bar at the top of the spindle. That would be the hex at the top of the mill. Unscrew it about 1 or 2 turns and bop it with a solid hit (ball peen hammer onto a piece of aluminum scrap) this will unseat the arbor. Continue to unscrew the hex bolt at the top of the spindle and catch the arbor as it drops out the nose of the spindle. Now install the collet and darw it into the spindle with the cutter in place. This needs to be snug but not macho tight. The hex can break away from the draw bar if overtightened.
Hope this helps. |