We may have found other answers which could help you.
Click here for Work Replaced OperateHedge trimmer not working?
rewiring a qualcast hedge trimmer 380 ?
I have a Qulacast Hedge trimmer which runs but the blades are loose?
How can I mend my Qualcast hedge trimmer?
Replaced drive belt ?
How can I replace the cable on my Qualcast hedge trimmer?