https://www.mountfieldlawnmowers.co.uk/support

And

https://www.worldofmowers.co.uk/mountfield-spare-parts/lawn-mower-spare-parts/electric-lawn-mowers/2015/princess-38-1400W/wheel-suspension

Looks like the wheels are retained by starlock washers which will probably be destroyed getting it off, so make sure you have replacements to hand.

Fhiid
August 2021