Question about Black & Decker Drills
On an old B&D HAMMERGUN 5078. I am trying to remove the chuck, but it is stuck on really good. Does the hammer adjust collar come off when removing the chuck? Thanks in advance. Bill
I looked at a old schematic for the 5078 and it appears that it might come off after chuck removed. The chuck is threaded and if you have the 2 speed model, shift it to low and put a bent handle allen wrench into the jaws and chuck on workbench or block of wood with long portion at approx 30 degree angle and strike the handle, you will be hitting it counter clockwise to remove.
Posted on Jul 25, 2009
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Posted on Jan 02, 2017
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Remove the REVERSE-THREAD screw at the bottom of the chuck. Set the clutch collar to the highest setting, and set the gear to the slowest setting if this drill has a 2 speed transmission. Remove the power source! Get the biggest allen wrench you can fit in the end of the chuck(the shortest leg) and tighten the chuck down around it, allowing the jaws to rest and tighten on the flats of the wrench. Lay the drill on its side(chuck toward you, handle to the left, and allen wrench to the left, horizontal to the deck. Then with a hammer(soft hammer if you care about the allen wrench) quickly and deliberately hit the allen wrench in an attempt to cause the allen wrench to spin counter clockwise. Let me know if this works for you!
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