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  1. #1
    Bronze Member merlintractor's Avatar
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    Feb 2009
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    Colorado Front Range
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    MF 1260

    Default MF loader cap plate leak

    I've sprung a leak at the joystick cap plate on my MF loader. My plan is to remove the plate, clean the surfaces and reseal with blue RTV. My question is, how much do I torque down the three retaining bolts? This my first DIY hydraulic repair...not my strong suit. Any advice appreciated.
    MF 1260, MF 1246 FEL, 48" Markham Grapple, Betst Flail Mower, Wallenstein BX42 Chipper, Rhino Rear Blade, Land Pride BB2572 Box Scraper, Ford '94 F-250HD

  2. #2
    Platinum Member
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    Oct 2015
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    Hudson Valley, NY
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    MF Utility 35 Gasser

    Default Re: MF loader cap plate leak

    Quote Originally Posted by merlintractor View Post
    I've sprung a leak at the joystick cap plate on my MF loader. My plan is to remove the plate, clean the surfaces and reseal with blue RTV. My question is, how much do I torque down the three retaining bolts? This my first DIY hydraulic repair...not my strong suit. Any advice appreciated.
    Post some pics, I'm not sure RTV is the way to go with this.

  3. #3
    Bronze Member merlintractor's Avatar
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    Feb 2009
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    MF 1260

    Default Re: MF loader cap plate leak

    Quote Originally Posted by shaeff View Post
    Post some pics, I'm not sure RTV is the way to go with this.
    Here you go...sorry it took so long, a little busy.
    Attached Thumbnails Attached Thumbnails MF loader cap plate leak-20180608_165838-jpg   MF loader cap plate leak-20180608_165915-jpg   MF loader cap plate leak-20180608_170015-jpg   MF loader cap plate leak-20180608_170047-jpg   MF loader cap plate leak-20180608_170104-jpg  

    MF 1260, MF 1246 FEL, 48" Markham Grapple, Betst Flail Mower, Wallenstein BX42 Chipper, Rhino Rear Blade, Land Pride BB2572 Box Scraper, Ford '94 F-250HD

  4. #4
    Veteran Member
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    Jul 2009
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    IL
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    B2710

    Default Re: MF loader cap plate leak

    That seal, and the orings on the spool, are low pressure seals. The high pressure seal is provided by the machined surface of the spool. So if you've got a constant source of leaking oil, it's likely the spool is scored or damaged. With the cap off you can probably figure out which spool is leaking, then you can pull that one and inspect it. It's also possible the valve body has been distorted if its mounting configuration or tightness has been changed in some way.
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  5. #5
    Bronze Member merlintractor's Avatar
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    MF 1260

    Default Re: MF loader cap plate leak

    Quote Originally Posted by BeezFun View Post
    That seal, and the orings on the spool, are low pressure seals. The high pressure seal is provided by the machined surface of the spool. So if you've got a constant source of leaking oil, it's likely the spool is scored or damaged. With the cap off you can probably figure out which spool is leaking, then you can pull that one and inspect it. It's also possible the valve body has been distorted if its mounting configuration or tightness has been changed in some way.
    Ok, thx! I'll pull the cap plate and see what I can find.
    MF 1260, MF 1246 FEL, 48" Markham Grapple, Betst Flail Mower, Wallenstein BX42 Chipper, Rhino Rear Blade, Land Pride BB2572 Box Scraper, Ford '94 F-250HD

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