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  1. #1
    Bronze Member
    Join Date
    Jul 2003
    Posts
    62
    Location
    Minnesota, Goodhue County
    Tractor
    JD 4310 & JD 4020

    Default NEED HELP JD 336 baler

    I'm hoping someone can help me out. I baled almost 600 bales yesterday with no problems.
    Today I get into it and I start breaking shear pins on the flywheel. I might bale 10 then break or 50 then break. It seems that the needles are dropping early from their home position. Just about when then bale is at full length. They drop down about 4". Just enough to trip the safty stop. Then wham. The shear pin breaks. I can replace and it will work fine for a little bit. I am using a 4020 to pull it with. It is nice dry grass hay.

    PLEASE HELP

    Thanks Paul

  2. #2
    Elite Member zzvyb6's Avatar
    Join Date
    Dec 2006
    Posts
    3,215
    Location
    michigan
    Tractor
    jd 1070

    Default Re: NEED HELP JD 336 baler

    You may need to tighten the needle brake. I'll bet its lost a lot of its effectiveness. Check for missing brake pad material as long as you are back there....
    There is no "I" in team, but there is a "Me" if you want to jumble it up a bit...

  3. #3
    Bronze Member
    Join Date
    Jul 2003
    Posts
    62
    Location
    Minnesota, Goodhue County
    Tractor
    JD 4310 & JD 4020

    Default Re: NEED HELP JD 336 baler

    Thanks for the reply.

    My neighbor long time farmer came over and said that he thought that was the problem. We cleaned the disc, In the morning I plan on taking the pads off.

    Thanks Paul

  4. #4
    Gold Member
    Join Date
    Nov 2009
    Posts
    264
    Location
    Freeland, MD
    Tractor
    706 IH, 1066 IH, and 301A JD

    Default Re: NEED HELP JD 336 baler

    The needle lift brake is most likely the problem. It has two springs that tighten down on the disc. There is also a tension pin that goes through the disc on to the shaft. Make sure that pine is in properly. There is not much friction material on the brake pads. Maybe 1/8 of an inch thick when new, not much more. Pricey, last set I bought 40 EACH. After you get break together besure to recheck adjustment on plunger stop rod.

  5. #5
    Bronze Member
    Join Date
    Jul 2003
    Posts
    62
    Location
    Minnesota, Goodhue County
    Tractor
    JD 4310 & JD 4020

    Default Re: NEED HELP JD 336 baler

    THANKYOU THANKYOU THANKYOU

    I had tried to tighten up the the brake. It did'nt make any change. So I took it apart and inverted the brake pads. They were pretty worn. Works great now. I did order new ones. $60.00. Just baled 400 bales. The high today is 100. Great day to make hay.

    Thanks again Paul

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