420 Deere Garden Tractor Hydraulics

buckten

New User
Broke while rototilling. Engine runs fine. PTOs all work but no transmission or hydraulics. I check linkages and couldn't see anything. Pulled out the two pressure relief valves and cleaned. No leaks, no burn smell, just nothing happens when trying to go forward or reverse or 3 Pt and other hydraulic do nothing. I am presently hunting for a pressure meter that fits so I can measure that. What should the pressure read and is there anything else I should be looking at?
 
it may have sheared the drive pin in the charge pump . that would cause no hydraulics and the pump gears won't turn.
 

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