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Tractor Talk Discussion Forum

injector pump problems DB 880

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Dean Hatt

09-15-2003 17:19:43




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what causes DB 880 to run for short while then stops is this injector pump or something else




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rhudson

09-15-2003 21:34:59




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 Re: injector pump problems DB 880 in reply to Dean Hatt, 09-15-2003 17:19:43  
like NHBoyd suggested, check for flow into the lowpressure pump (like an old automotive fuel pump) i think most of the david b's have a suction fuel line that goes up and enters the fuel tank from the top. so you need a good clean line into the low pump. mine has dual filters, if you have not changed them, it may be time. then bleed all air out of the lines. the cav injectors seem harder to purge air than other types i've fooled with. the run and stop symptom is indicative a fuel supply problem, not an injector pump problem.

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nhboyd

09-15-2003 17:27:00




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 Re: injector pump problems DB 880 in reply to Dean Hatt, 09-15-2003 17:19:43  
first thing I would do is change fuel filters and make sure flow of fuel from tank is ok. Is there a transfer pump between the tank and the injector pump that may be a problem.



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