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  1. #1
    Bronze Member YM1720D's Avatar
    Join Date
    Mar 2012
    Posts
    53
    Location
    Ocala, FL
    Tractor
    Yanmar 1720D

    Default 1720 3 pt drop and squeal

    My 1720 has started to leak down on the rear hitch which I understand is the seal on the piston most times. When it does raise it back up when its running it squeals or screeches for a second when it pops it back up. Can anyone help me find the cause of the squealing. The hitch is not weak by any means and does not go into bypass even when picking things way to heavy. I want to open it up and fix what ever is causing the hitch to leak down, hopefully just the piston seal just cant figure out the noise.
    if anyone had any pics of that area inside would be very helpful too

  2. #2
    Elite Member
    Join Date
    Dec 2009
    Posts
    2,745
    Location
    gilmer tx
    Tractor
    yanmar 2002d

    Default Re: 1720 3 pt drop and squeal

    Does your tractor have power steering? Reason I ask is my 2002d does and I get a squeal at my flow diverter block when rpms are low and I raise the lift. I don't know just what your lift looks like but I posted a thread awhile back on repairing mine and clemsonfor posted one on repairing his 2000. You can click on either of our names and go to "started threads" to view them.

  3. #3
    Platinum Member
    Join Date
    Jan 2012
    Posts
    521
    Tractor
    YM2000

    Default Re: 1720 3 pt drop and squeal

    YM2000 Setup. If this is your setup I would Adj. it.
    Yanmar Tractor Parts: HYD VALVE _
    Attached Thumbnails Attached Thumbnails -picture-001-jpg  

  4. #4
    Bronze Member YM1720D's Avatar
    Join Date
    Mar 2012
    Posts
    53
    Location
    Ocala, FL
    Tractor
    Yanmar 1720D

    Default Re: 1720 3 pt drop and squeal

    Winston, No I dont have power steering and thanks for the reference.
    Carey, My setup looks quite a bit different than that. Ill have to get a picture. I cant even explain it, ill just have to take a pic.
    It seems to be predominant when rpms are low too if that helps

  5. #5
    Bronze Member YM1720D's Avatar
    Join Date
    Mar 2012
    Posts
    53
    Location
    Ocala, FL
    Tractor
    Yanmar 1720D

    Default Re: 1720 3 pt drop and squeal

    My lift is very similar to yours winston, can you tell me what the second lever does next to the main lift lever? I can't seem to figure any difference when playing with it at different positions.
    Your pics are a big help thank you!

  6. #6
    Elite Member
    Join Date
    Dec 2009
    Posts
    2,745
    Location
    gilmer tx
    Tractor
    yanmar 2002d

    Default Re: 1720 3 pt drop and squeal

    The second lever is the draft control lever that was used with a tiller in the rice fields. A cable hooked to the lever you see in this picture and went to the tiller. If you manually move that lever on your tractor you will see the lift move. not really much use for us. One of our members mickey_fx is about the only one I know of that has his fx24d completely hooked up with draft control and tilt control. His is a little different than ours but works the same. Here is his thread on it if you are interested. http://www.tractorbynet.com/forums/y...-controls.html
    Attached Thumbnails Attached Thumbnails -100_5036-jpg  

  7. #7
    Bronze Member YM1720D's Avatar
    Join Date
    Mar 2012
    Posts
    53
    Location
    Ocala, FL
    Tractor
    Yanmar 1720D

    Default Re: 1720 3 pt drop and squeal

    Awesome thanks

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