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  1. #11
    Member
    Join Date
    Apr 2011
    Posts
    46
    Location
    UK
    Tractor
    Yanmar F18D

    Default Re: F16d maximum RPM

    Found these pics while surfing, so they are not mine, so looks like it the RPM should be higher.





    While using my F18D today, max rpm appears to be 2550rpm

  2. #12
    New Member
    Join Date
    Jul 2008
    Posts
    10

    Default Re: F16d maximum RPM

    So I understood thar rpm should be higher. But how i should adjust the maximum rpm?

  3. #13
    Veteran Member
    Join Date
    Dec 2009
    Posts
    2,434
    Location
    gilmer tx
    Tractor
    yanmar 2002d

    Default Re: F16d maximum RPM

    I would first make sure your tach reading is correct. Unless someone on here has an F series manual and is willing to share you may have to invest in one.

  4. #14
    Member
    Join Date
    Apr 2011
    Posts
    46
    Location
    UK
    Tractor
    Yanmar F18D

    Default Re: F16d maximum RPM

    I have a F series user guide, what should i look for Winston?

  5. #15
    Veteran Member
    Join Date
    Dec 2009
    Posts
    2,434
    Location
    gilmer tx
    Tractor
    yanmar 2002d

    Default Re: F16d maximum RPM

    Quote Originally Posted by scottlw View Post
    I have a F series user guide, what should i look for Winston?
    Governor adjustment. But I don't think it will be in the user guide. I think he will need access to a repair manual. Don't know all this, just speculating.

  6. #16
    Veteran Member
    Join Date
    Jun 2010
    Posts
    1,378
    Location
    Southern California
    Tractor
    International Harvester 284, Yanmar 1401D, Yanmar 240

    Default Re: F16d maximum RPM

    I would really not mess with governor settings until it is established the engine isn't running at the proper RPM. While it may not hurt anything to run it over rated speed, it cannot be better, either.

  7. #17
    New Member
    Join Date
    Jul 2008
    Posts
    10

    Default Re: F16d maximum RPM

    My reading is correct becouse before the repair the maximum rpm was 2500.

  8. #18
    Veteran Member
    Join Date
    Jun 2010
    Posts
    1,378
    Location
    Southern California
    Tractor
    International Harvester 284, Yanmar 1401D, Yanmar 240

    Default Re: F16d maximum RPM

    What repair did you do that may have changed the governor setting? I don't have any information I'm not sharing, but if you did something that may have changed how the engine runs, I would go back and assess that first.

    The other thing to try is to manually move the throttle lever where it enters the injector pump or governor and see if the linkage isn't delivering full movement. There may be a stuck pedal, bent piece of linkage, or something else that is keeping you from getting full throw on your throttle control.

  9. #19
    New Member
    Join Date
    Jul 2008
    Posts
    10

    Default Re: F16d maximum RPM

    The fuel pump vas cleaned. I adjusted the screw near the pump, so I believe I should adjust it again, but I don't know how to adjust it.

  10. #20
    Veteran Member
    Join Date
    Dec 2009
    Posts
    2,434
    Location
    gilmer tx
    Tractor
    yanmar 2002d

    Default Re: F16d maximum RPM

    I take fuel pump to mean injection pump? Why was the pump cleaned? Sticking? Picture of the screw possible? Did the screw have a cap on it? Have you tried slowly moving the screw closely watching the results? Don't guess you have if the tractor is not in reach until spring.

    The group of parts associated with ref 16 in the parts drawing is the limiter shaft assembly on a 1510. Your screw anywhere around that area? http://www.hoyetractor.com/mm5/merch...Code=YM1510GOV

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