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Bleeding fuel system on John Deere 950

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deere 950

05-22-2002 05:42:23

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I have a 950 that i had to remove the fule injectors, and i am having problems getting the tractor to run on all 3 cylinders, any suggestions on how to bleed the fuel system?

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05-22-2002 06:54:30

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 Re: bleeding fuel system on John Deere 950 in reply to deere 950, 05-22-2002 05:42:23  
I'm not familiar with that particular tractor, but here's the routine that's pretty similar for most of them. First, make sure you're not getting air at the input of the injector pump (tried that, you'll never get it bled out that way!) There will be a bleeder port on the injector port, maybe 2. Be sure to look on the back of the pump to make sure there's not a second bleeder port. Crack open the bleeder port while you're pumping the handle on the fuel pump or cranking the engine, keep pumping until you get a steady stream with no air. Be sure to keep pumping while you're closing the bleeder port screw.

If you can't get it to run right after bleeding the pump, you may have to bleed the injectors. Just crack the nut loose on the injector and start pumping. If you're cranking the engine, it will probably start running before you're finished bleeding the injectors, it will run on a couple of them. Keep on bleeding it until you get ALL the air out. Keep several rags handy, you'll need them to clean up or to keep it from squirting into your eyes!

I've found on my father's Long 2610 that if he runs it out of fuel sometimes I have to bleed it all the way up to the injectors before I get it really running right, so try that.

Good luck,

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