While you wait for answers, we may have found some information which could help you.
Click here for Lawn Mower Garden
Countax site on mower C300h?
How to remove roller from lawnmower?
Mac Allister 35cm electric lawn mower?
Reassemble Throttle?
Flymo 400 turbo stopped working?
Trying to find lawn mower part- Power Devil PDG4037R?