3010 wont stay running ???


I have a 1961 row crop utility 3010 tractor that i bought and i beleive its been sitting for a year or so. I changed fuel filters and bled the metal canister fuel filter base and it CRANKED! run for about 5 minutes driving it around. Then it started to die on me so i reved the throttle and it speed up then die completely.... I then tried to recrank and it started right back up then died again. I have let it sit for two weeks and went back and it cranked back up only to die again... I have checked the fuel bleeder screws and got a little more air out the top. Then it cranked back up again and ran 30 or so secs and died. it acts liek its running out of fuel. What should i try next? The primer does work.
 

The check valve that screws into IP that return line attaches to is more than likely stopped up from a deteriorating drive coupler in IP. Clean out check valve and it will run but eventially IP will require a new drive coupler. Simple test is loosen the 2 screws on timing window,pry gasket loose,start engine and if engine runs check valve is the culprit.
 
I found the problem. I started with the return elbow at pump. No check valve?? So I disconnected line and cranked tractor and it kept running! So I new there was a fuel return problem. I opened the screws at each of the injectors and the last one would not blow thru at all. Finally and 100psi she blew with a loud pop and everything started to flow like normal. Thanks for the tips !
 

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