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Old 07-05-2015, 01:49 PM   #15
kulas44
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City: Venice Louisiana
Join Date: Dec 2013
Posts: 1,097
Just recently changed out the fuel pump on a Onan mdl3 15kw gen to a "square" electric pump. All good, ran great, big smiles, happy. Let it run all night, next day got a low OP shutdown. Checked the oil, it was mostly diesel. Ok, bad injector seal. Take the pump in have it done. $950 later I have a like new pump. Install said IP. All good, etc. Next day low OP shutdown. Oil is mostly diesel. Well, turns out that particular IP doesnt like to much feed pressure and the pump I used was about 5 lbs. On the brightside my gen engine is REALLY clean. I installed a return line regulator set at 3 lbs.
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