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  1. #1
    New Member
    Join Date
    Mar 2012
    Posts
    8
    Location
    westville,indiana
    Tractor
    1968 ford 3400

    Default injection pump problem case 580 c

    my sons case 580c will start instantly and idle just fine. however when you try to increase engine speed it will increase to about 40 percent speed then starts to buck a little and will not go any higher. he said this problem occurred all at once while using the machine. we have changed fuel filters and bled out same, checked fuel tank for good fuel flow. believe injection pump is faulty. it is a stanadyne dbo 3205 pump. someone mentioned a sheared key could cause this problem. sheared key on what? and if so can i fix it myself? i'd be gratefull for anyones help on this problem. thanks in advance . jd

  2. #2
    New Member
    Join Date
    Mar 2012
    Posts
    8
    Location
    westville,indiana
    Tractor
    1968 ford 3400

    Default Re: injection pump problem case 580 c

    thank you "harry in ky" for your suggestions on the case 580c injection problem. you were dead right. removed fittings and engine ran fine. revved to max rpm. found the little spring loaded ball check in the straight fitting was plugged up like you said. cleaned up everything and reinstalled vent fittings. son said tractor never ran as well as it does now. can t thank you enough . i can tell " you've been there and done that" .thanks again

    yours truly
    jhd69

  3. #3
    New Member
    Join Date
    Mar 2012
    Posts
    8
    Location
    westville,indiana
    Tractor
    1968 ford 3400

    Default Re: injection pump problem case 580 c

    thank you again harry in ky for the for the tip on the injection pumps impending demise. at least you bought us some time and my son is getting his work done for now. one more good weeks work and we can shut her down and have the pump rebuilt. we are grateful for the help. you saved the day for us.
    jhd69

    and son

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