While you wait for answers, we may have found some information which could help you.
Click here for Broke Half WayHow can I mend my hedge strimmer?
How can I mend my Qualcast hedge trimmer?
How to replace fuel tank?
B&D BEHT150 stamped 2018-03-58?
Macallister 250W hedge trimmer?
How to fix loose connection in hedge trimmer Bosch 7000 AT?