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  1. #11
    Silver Member
    Join Date
    Jul 2004
    Posts
    142
    Location
    Lady Lake, Fl.
    Tractor
    Jinma 284

    Default Re: Frontend Loader Problem

    Where do I get an 8 JIC? Is that what I ask for? Thanks, Pat

  2. #12
    Platinum Member
    Join Date
    Dec 2006
    Posts
    843
    Location
    Coastal Rhode Island
    Tractor
    Jinma 354, purchased 2007

    Default Re: Frontend Loader Problem

    SAE 37 Flare (JIC) Female Cap

    I'd get both a 3/8 and 1/2, they're less than a buck each.

  3. #13
    Silver Member
    Join Date
    Jul 2004
    Posts
    142
    Location
    Lady Lake, Fl.
    Tractor
    Jinma 284

    Default Re: Frontend Loader Problem

    Chris it was a #6 fitting. Got the plugs and its the unit on the right. Glad it was not the one I had just rebuilt. My old fingers could barely get the seals in place. Will take this one to a hydraulic shop down the road about 3 miles. They will put them in for $20. I had already bought 2 seal kits when I fixed the other one. I'm glad I fixed that one so I know how they work but I will pass on this one. Thanks to everyone for your help. Pat

  4. #14
    New Member
    Join Date
    Jan 2013
    Posts
    14
    Location
    Giscome, British Columbia
    Tractor
    Jinma 284

    Default Re: Frontend Loader Problem

    I had a problem with my 'curl' function not holding......in the end I found a little piece of debris inside the pressure relief valve. I am not sure of the reason it was causing the problem, but once I found it the problem went away.

  5. #15
    Silver Member
    Join Date
    Jul 2004
    Posts
    142
    Location
    Lady Lake, Fl.
    Tractor
    Jinma 284

    Default Re: Frontend Loader Problem

    Now the loader is drifting down so I assume I have a bad seal in one of those units. After I determine which one is leaking, can I plug it up and still use the loader, light loads, over the weekend till I can get it fixed?

  6. #16
    Platinum Member
    Join Date
    Nov 2008
    Posts
    802
    Location
    US Virgin Islands
    Tractor
    Jinma JM304

    Default Re: Frontend Loader Problem

    You mean plug one of the lift cylinders so it is operating on only one of them? I sure wouldn't. One slip and you could tweak the loader frame with the unequal forces being applied by a single cylinder. I'd use it as it is and just keep up with the drift by raising it as necessary, or I'd wait until it was fixed. Your loader, your call.

  7. #17
    Super Member greg_g's Avatar
    Join Date
    Dec 2003
    Posts
    6,071
    Location
    Western Kentucky
    Tractor
    JD3720 Cab, 300X loader with 4-in-1 bucket

    Default Re: Frontend Loader Problem

    Twin cylinders should be replaced in pairs anyway. It's the Little Dutch Boy finger-in-the-dike syndrome; replace only one, the other will likely soon start leaking.

    //greg//
    USN (Ret)
    Former Chinese tractor owner (x4)
    Current John Deere owner

  8. #18
    New Member
    Join Date
    Jan 2013
    Posts
    14
    Location
    Giscome, British Columbia
    Tractor
    Jinma 284

    Default Re: Frontend Loader Problem

    Quote Originally Posted by Jinma284 View Post
    Now the loader is drifting down so I assume I have a bad seal in one of those units. After I determine which one is leaking, can I plug it up and still use the loader, light loads, over the weekend till I can get it fixed?
    Your probably loosing pressure through your control box [joy stick]...there is a pressure relief valve on the bottom right under the joy stick. it has a locking nut, if that is loose your pressure will drop off, make sure the lock nut is tight. and be careful not to turn the pressure up too much as you will blow your hydralic pump. If you hear squealing, it's getting too much pressure.

    Before you do anything, make sure all of your fittings are tight, if you have a leak there should be oil dripping out somewhere...then you can take your control box apart and make sure there is nothing stuck in there.

    I wouldn't try and run on one lift cylinder.

  9. #19
    Platinum Member
    Join Date
    Mar 2007
    Posts
    942
    Location
    British Columbia, Canada
    Tractor
    1959 MF-65 sold, 2007 Jinma 554 diesel.

    Default Re: Frontend Loader Problem

    Just a thought (shot in the dark), did you check to see if the control valve centering spring is working properly ?
    The tin cans on the back of the valve block cover the spring and sometimes the screw that holds the spring, backs out. This is easily fixed by tightening the screw and the FEL valves function normally. There are just two screws to remove the tin covers and the one screw on the valve spring. This is often overlooked and is an easy fix - if this is your problem. Won't cost anything to look and check and that way you know for sure the valves are operating properly.
    2007 Jinma 554 tractor, FEL, 8ft Rear Blade, 73" Snowblower, 2002 3500 Dodge Ram 4x4, 1986 F250 4x4 SC 6.9 turboed diesel.

  10. #20
    Silver Member
    Join Date
    Jul 2004
    Posts
    142
    Location
    Lady Lake, Fl.
    Tractor
    Jinma 284

    Default Re: Frontend Loader Problem

    Everything on the control box seemed ok. I left everything as is and fought the drift down for two days to finish my job. Will order the parts tomorrow and take it apart in two weeks. Am going to Texas to visit my daughter and to Ky to visit my brother and sister. Thanks for all the help. Pat

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