Question about Makita 6408K 3/8" Variable Speed, Reversible Drill with Case
I need to replace the chuck on my makita drill motor but can't see how to remove it. there doesn't appear to be a set screw on it and the shaft is straight splined. i have purchased a replacement part but it is threaded.
If you have the 6408 as listed the spindle is threaded and you are correct there is no retaining screw. What you would need to do is find a bent handle allen wrench about the size of the chuck capacity 3/8" and insert the shorter end in the chuck and tighten. put the chuck on a block of wood or workbench and position the long end at about a 30 degree angle in the counter clockwise position and strike it with a hammer, this might take a couple hits. If this is not a 6408 let me know and I will look at the tool for you and see what you got.
Posted on Jan 23, 2009
Some makita drills have a wrong way screw in inside the chuck. turn your screw driver like you would normally tighten a screw. when that is removed the chuck will unscrew from the spindle. use the large allen wrench and hit it hard to loosen the chuck. when i put the new chuck on i would put neversieze on the screw and the spindle. they will rust together and then you have to cut them off.
Posted on Aug 29, 2010
Check out the user reviews of this item on Amazon. One of them says he unscrewed the chuck.
Posted on Mar 11, 2009
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Posted on Jan 02, 2017
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