While you wait for answers, we may have found some information which could help you.
Click here for Started Making SoundBlack & Decker U-272 hedge trimmer?
Black & Decker hedge trimmer - not working?
how can i repair the wire?
How can I fix my Black & Decker Hedge Trimmer LHT2220?
black and decker hedge hog trimmer?
Works intermittantly?