While you wait for answers, we may have found some information which could help you.
Click here for Trimmer Black DeckerOLDER Electric Hedge Trimmer: Motor just began whistling?
Black & Decker U-272 hedge trimmer?
Works intermittantly?
chain has come off my hedgetrimmer How do I get it back on?
does anyone have a blade for black decker model u272?
how can i repair the wire?