610 Long oil problem

Stanley Woodford · Jul 6, 2014

I overhauled my 610 Long engine, and now quite often the oil pump looses prime. I have to remove the oil filter and pour oil in the pump outlet chamber. Where did I go wrong?

Stan

JD Seller · Jul 6, 2014

I would bet that the suction tube is leaking air some where. I have had tubes leak at the oil pump and they will lose prime.

C. Amick · Jul 6, 2014

My dad's Long 560 does the same thing. I have had to remove the oil filter and pour oil in it for years. I was thinking of replacing the oil pump, but was told it probably wouldn't help. I think I tried tighening the suction tube fittings. I think it's mostly a bad design. Let me know if you solve the problem.

Traditional Farmer · Jul 7, 2014

A faulty footvalve at the oil intake will cause it to loose prime.

Stanley Woodford · Aug 2, 2014

I did put a new gasket, when rebuilding the engine, between the pickup tube and the pump. I did not find a gasket for the pump to engine. Thought may it was not necessary. Do not remember any foot valve in the pickup tube. Thought about fabricating one. It would be a major job to remove the oil pump to install a gasket to the block.

610 Long oil problem

Stanley Woodford

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JD Seller

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C. Amick

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Traditional Farmer

Well-known Member

Stanley Woodford

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