Adjusting Deere 609 slip clutch
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Thread: Adjusting Deere 609 slip clutch

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    Adjusting Deere 609 slip clutch

    I bought this beast yesterday and have been tuning it up. It sat up for a couple of years and I imagine the slip clutch is frozen up. I cannot for the life of me see how to adjust it. I need to loosen it up and break it loose. Any help?
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    1010's Avatar
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    The big nut on the back of the clutch pack, closest to the gear box is what you adjust clutches with. IDK the proper foot pounds, I just keep mine snugged up good is all. It doesn't take a lot if the clutches are good.
    Last edited by 1010; 08-30-2018 at 05:10 PM.

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    flyweight's Avatar
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    Adjust the clutch using wrench #1 (part number GY2256W) in the diagram. A standard wrench can also be used.

    Loosen the nut a bit.
    Engage the tractor PTO a few times to make certain the disc are not stuck together(if they are, the engagement and disengagement will help to un-stick the disc).
    Snug up the nut.
    Place a mark on the housing(#10) and the holder(#8). Use a soap-stone, or a colored marker.
    Engage the PTO.
    Tighten the nut until the housing and hub turn together(no movement/slippage).
    Back off on the nut until there is very little movement/slippage.

    At this point, the clutches will slip when the blades comes into contact with as obstacle.


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    firemachine69 likes this.
    Michael

    2019 JD Z540R 54" cutting deck w/MulchControl™
    1984 JD 750
    1971 JD 15 Chainsaw ← hasn't run since ~1975

    Also have a bunch of other stuff.
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    JohnMurphy's Avatar
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    Thanks guys! I kept Assuming the adjustment was in the front. Lordy, that’s a big nut! Calipers say 2 1/2”. I have a big crescent I thought would do it. Nope. Looking like a pipe wrench now or a custom wrench out of steel plate.

    I see the wrench in the parts diagram. Guess I can get it from Deere.

    Thanks again,
    Murph
    flyweight and 1010 like this.

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