I got as far as emptying the old desk tonight, and swapping a couple phases so the hydraulic pump actually pumped, only to realise there's no hydraulic oil in the machine.
I did manage to home the machine, but the hydraulic pump was making it's lack of oil known :-/

I don't think I've got any hydraulic oil, so I'll need to see if any of the neighbours have any.

Anyway, here's the test video the factory sent before the machine got packaged up-