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350 B Still problem

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Norris W. Vagg

04-14-2003 22:51:29




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I cleaned lines, filter, fuel is getting to final pump. I posted a photo in Parts & Pieces (72 JD 350B Pump) When the bolt (on the side of the pump, center of photo, to the right and in line with the top of ID Plate) is backed out to the point where fuel will flow out of the bolt hole, the engine will run fine. If the bolt is retightned the engine will run foe 10 seconds and stop ? Thanks for the Help so far ! HELP !!

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gatractorman

04-15-2003 02:56:07




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 Re: 350 B Still problem in reply to Norris W. Vagg, 04-14-2003 22:51:29  
Your building head pressure inside the pump, with that bleed screw backed out it lets the pressure out of the pump and will continue to run, tighten it up the pressure has no where to get out because the glass check ball in your return line fitting is stuck, up on top of the pump you will see a metal line that goes from a fitting in the pump up to the return line that goes across the top of all the injectors, remove the fitting in the pump that this line attaches to, in that fitting you will find the check ball you can either go to JD and buy a new one or take a small punch and bust the ball out of there (it is quite tough to bust for a piece of glass) there will be a spring behind it make sure it comes out too. Good Luck

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Jonathan

04-15-2003 19:42:09




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 Re: Re: 350 B Still problem in reply to gatractorman, 04-15-2003 02:56:07  
And most likely it is clogged with pieces of the pump coming apart....hard black rubbery looking stuff....need a rebuilt pump...



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