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  1. #1

    Join Date
    Feb 2003
    Posts
    34
    Location
    SE Kansas
    Tractor
    JD 4310, MFWD,E HYDRO

    Default Slip Clutch

    I have a JD 503 brush cutter that has not been used for several years and I want to loosen the slip clutch to free up and retighten can someone tell me what the adjustment would be to retighten?

  2. #2
    Veteran Member
    Join Date
    Jan 2001
    Posts
    1,311
    Location
    Alberta
    Tractor
    Kubota B2410 with turfs

    Default Re: Slip Clutch

    JMAC,

    There was a general discussion on this a while ago in the thread How to check a slip clutch?

    Take a look. Might help out.

    Kevin

  3. #3

    Join Date
    Feb 2003
    Posts
    34
    Location
    SE Kansas
    Tractor
    JD 4310, MFWD,E HYDRO

    Default Re: Slip Clutch

    Knight9,

    Thanks for the responce I don't know why I didn't think to do a search other than just being new to this.

    JMAC

  4. #4

    Default Re: Slip Clutch

    I've seen two different types of slip clutches on JD implements. The kind I have on my JD tiller is identical to the kind supplied on the Landpride RTA25 and RTA35 tillers. Deere doesn't describe any check/adjustment procedure for this slip clutch in their manual (!), but Landpride does (thanks, Landpride) and you can download the tiller manual with excellent drawings (so you can tell if that's the kind of slip clutch you have) from Landpride's website. The other style of slip clutch I've seen on JD is similar/identical to the type found on the Landpride RCR2660 and RCR2672 Rotary Cutter. I assume this will be similar to what you have. Again, Landpride has excellent diagrams and adjustment instructions in the manual for these cutters. Unfortunately, the adjustment "technically" involves knowing the original compressed length of the slip clutch springs. I'm sure you can fake it after you free up your clutch by equally compressing the springs in small increments until the clutch again stops slipping under normal usage. Or maybe someone (dealer?) with a manual for your cutter can tell you the original compressed spring length so you can begin from there and save yourself alot of adjustment time. Best of luck.
    Bernie

  5. #5
    Elite Member
    Join Date
    Mar 2002
    Posts
    3,461

    Default Re: Slip Clutch

    Assuming it's correct now, just measure spring length now, or #of turns you back off the bolts and put it back to that. Otherwise set it up so that it slips a little and keep tightening until it stops slipping.

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