Hi Greg, and a warm welcome to the ODK Forums.

Admittedly, the current structure of the forums can take some experience to navigate; and we really do need to update the layout of the Ride-Ons section in particular, to make it structurally consistent.
Anyway, I'd say that this is the key to Ride-On mower manual access that you're after;
https://www.outdoorking-forum.com.au/forum/ubbthreads.php/forums/75/1/Questions_On_Ride_On_Mowers.html