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  1. #1
    Bronze Member frankmako's Avatar
    Join Date
    Mar 2007
    North Georgia
    Ford 4610, Ford 3910 and YM1601D

    Default Flow Control Valve Problems

    The flow control valve knob for the hydraulic controls on my Ford 3910 II will not turn. Is there a lock screw or something that I need to turn first?? It is set to the maximum correction rate. Everything works as it should, 3 pt hitch and FEL goes up and down. Should I not worry about this?? Or do I need to do some work on the hydraulics.

  2. #2
    Veteran Member CCWKen's Avatar
    Join Date
    Mar 2005
    South Texas, USA
    Ford-3910, JD-420C, Kenbota-Custom, IH-2606

    Default Re: Flow Control Valve Problems

    If you're talking about the plastic quarter-round knob, it's the adjustment for depth correction rate or speed. I talked to the local dealer and he says it's a common problem. He says to keep spraying the shaft with Liquid Wrench or similar to free it up. Mine is stuck in fast mode which is ok. Unless you plow in many different soils, it doesn't get moved often so I wouldn't worry about it.

    I've been spraying mine about every other day for the last two weeks but it's still stuck.

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