630 injection pump

1961 630 with diesel, 188 c. u .I believe.. it sat for 3 years and it wont run throttle is forward at pump..could something be stuck in pump. fuel was clean and had additive in it. stanandyne pump I think,, 3 bolts on cover return line goes to..any ideas J
 
Just repaired a Case skid loader for the same trouble. Old stale fuel had the metering valve and plungers stuck. After a complete tear down, clean and reseal it's working fine on the test bench..
 
thanks for the reply,,is the plunger under the 3 bolt cover on top? I ordered a gasket kit but there are no instructions. do you know how I could get instructions for rebuild and how to time it. thanks J
 

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