Got the G running well. Points were set at .035, carb and timing was all adjusted wrong.
Hydraulic pump had decent flow, but no pressure, and was missing the pressure relief ball. Lots of pressure now.
Trouble with the control valve. Every position moves the implements UP. Depressing the clutch disengages the pump, and the implements drop. Might have been what prompted someone to dig into it, losing the ball.
If I pull the control valve (pump has not been removed from tractor), will I find a blown seal or other bad part that needs replacing?
I can't see by any service manual drawing that there are o-rings internally, but it's not a great drawing.
Best source for Allis G parts? YT is short on variety.