Question about Generac Guardian Quietsource 25,000 Watt Liquid Cooled Standby Generator

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25 k natural gas generator will not stay running with air cleaner

Will start at first then once warmed up it will not start again. remove the top of the air cleaner and it starts fine.

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  • mike308 May 20, 2009

    yes it is

  • mike308 May 21, 2009

    There are no screws on the carburetor however there is throttle arm on the inner side with adjustment screws.

  • mike308 May 21, 2009

    No sorry no part number, I will get it im heading back to the house tomorrow. There are no blue or red covers on the carb.

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Posted on Nov 12, 2014

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I'm sorry I see that your generator is Nat gas; is it carbreted?

Posted on May 20, 2009

  • Jim Goldsmith
    Jim Goldsmith May 20, 2009

    Adjust your carburetor jet screws all the way out remember the number of turns (so you can return them to the old setting if needed) then: count the turns clockwise in until the screws bottom then: counting the turns back them out: counterclockwise 1/2 as many turns eachas it took to bottom them. this is the "normal adjustment and, the engine should start unless the floats or, the gas blend regulator are not allowing fuel in. LP gas can and, does easily vaporlock do to heat so; also check the fuel line/filter system

  • Jim Goldsmith
    Jim Goldsmith May 21, 2009

    Those are only the idle set screws are there any red or, blue plastic covers at the carburetor base...Do you have a name part# for the carburetor I can look up?

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