520 Rear Axle Retainers
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Thread: 520 Rear Axle Retainers

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    BCD
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    520 Rear Axle Retainers

    Both rear axle retainer felts are leaking badly. How difficult is it to replace the retainers and felts?

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    To correctly repair the leak one needs to remove rockshaft assembly from rear of tractor then remove axles from each bull gear then R&R seal(key 21) inside housing. Actually outer felt is just a dust seal. Have you checked gear oil level to be sure it's not over full?
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    Last edited by Tx Jim; 11-06-2018 at 06:50 AM.
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    BCD
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    520 Rear Axle Retainers

    Quote Originally Posted by Tx Jim View Post
    To correctly repair the leak one needs to remove rockshaft assembly from rear of tractor then remove axles from each bull gear then R&R seal(key 21) inside housing. Actually outer felt is just a dust seal. Have you checked gear oil level to be sure it's not over full?
    Thanks for the information. This sounds like a pretty extensive repair. Is this something that a "shade tree mechanic" should attempt? Would it be common for the axles to leak if the gear oil level were over full?

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    IIRC axle seals can leak if trans is over full. Check trans level by removing plug on RH side behind rear axle. Oil should be level with inside threads after plug has been removed.
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    BCD
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    Rear Axle Retainers

    Quote Originally Posted by Tx Jim View Post
    IIRC axle seals can leak if trans is over full. Check trans level by removing plug on RH side behind rear axle. Oil should be level with inside threads after plug has been removed.
    Thanks Jim. I'll check it out. Hopefully will not have to break it down to replace the retainers.

    This tractor is new to me and I hope to begin a restoration on it this winter. I restored a '52 M several years ago but wanted a tractor with power steering. My two-year-old grandson loves this "putt-putt." It runs greatmbut the leaky axles and a small hydraulic leak will need to be addressed.
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    Good luck on your restoration.
    Jim

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