1998 John Deere 4300 with 420 Loader problems help!!

[dfkrug]

anyone have the diagram of how to get valve and aux under the seat? what to inspect?

I posted some photos of the valve at post #250 in this 4300 rebuild thread:
https://www.tractorbynet.com/forums...e-4300-complete-rebuild-7.html?highlight=4300

...and there are others in there at various places.