While you wait for answers, we may have found some information which could help you.
Click here for Sds Drill Hammer
electric drill stuck chuck?
12v black decker a9275 replacement charger and battery?
Black & Decker 12V battery pack fails to charge?
how do i remove a bit from stuck keyed chuck?
how can I fix my black & decker kr600cre drill?
how do I remove the chuck head ?