While you wait for answers, we may have found some information which could help you.
Click here for Pull Weed WackerReplacement spare part?
How to fix loose connection in hedge trimmer Bosch 7000 AT?
Macallister 250W hedge trimmer?
Bosch electric hedge trimmer?
How can i mend my qualcast hedge trimmer GHT600A1?
B&D BEHT150 stamped 2018-03-58?