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Subject: removal of rear wheel center disc

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paul appleton    Posted 07-17-2019 at 10:25:43 [URL] [DELETE]        [Reply] [Email]  
  • removal of rear wheel center disc
  • I have a 9N that I am trying to get the center disc off. I have removed the wheel and fender. I have used an eight-pound hammer and flat-faced drift and I can't see any movement. The drift is placed in the rear hold of the holding plate and I'm driving the disc outward. Does anyone have suggestions, precautions?

    duey    Posted 07-17-2019 at 23:07:06 [URL] [DELETE]        [Reply] [No Email]  
  • Re: removal of rear wheel center disc
  • Paul, I have not had the problem.... but what *I* would do is 1) use lots of penetrating oil and 2) I would use an air hammer (a good sized muffler gun) with a smooth set and go around and around the face of the center, between the studs and everywhere...

    Vibration, penetrating oil and rust do not get along.

    To me, this is much better option than big hammers and brute force.

    Good Luck

    Farmer Dan    Posted 07-17-2019 at 11:57:47 [URL] [DELETE]        [Reply] [Email]  
  • Re: removal of rear wheel center disc
  • spray it lots of penetrating oil and use heat.

    paul appleton    Posted 07-17-2019 at 14:52:01 [URL] [DELETE]        [Reply] [Email]  
  • Re: removal of rear wheel center disc
  • Well, Farmer Dan, that's not the answer I wanted but it is what it is. Not being anything but a shade tree type, and not a very good one at that, the only heat I have available would come from a Butane cannister. Not sure that will be enough to do the job but I'll certainly give it a go. Really hoping I can get it back on by the bolts alone because I'm taking it off to clean and make the tractor painting process easier. And by the way, I really do appreciate the comeback.

    Farmer Dan    Posted 07-17-2019 at 15:21:09 [URL] [DELETE]        [Reply] [Email]  
  • Re: removal of rear wheel center disc
  • I'm thinking the center disc is rusted to the hub. Make a mixture of half transmission fluid and half acetone, pour this in between the disc and hub and let it set over night. Butane torch ain't a lot but it might just be enough if you get lucky. I don't have an acetylene torch either and I've made it this far ;-)

    Just keep putting that penetrating oil mixture on it every couple hours and then in the morning give it a try again with the big hammer and little torch.

    paul appleton    Posted 07-18-2019 at 06:09:45 [URL] [DELETE]        [Reply] [Email]  
  • Re: removal of rear wheel center disc
  • Thanks to all for the good info. I should have stated that I had already removed the nuts and studs. When I get ready to reinstall the disc will the nuts pull it back to the correct position? This is my first shot at messing with an "N" so there are many questions in my mind. However, I'm havin' a ball and since these little guys are so popular I think this will not be my last. I'm not looking to "restore", just get an attractive and good running tractor that I may or may not keep. Never been into a flat head so I expect to be learning N's over the winter.
    Thanks again for the input.

    Lynn Patrick    Posted 07-18-2019 at 08:23:02 [URL] [DELETE]        [Reply] [Email]  
  • Re: removal of rear wheel center disc
  • BE SURE THE TRACTOR IS WELL BLOCKED!! Make sure the cribbing/blocking is overkill! The last thing you want is for the tractor to fall from all the pounding, etc needed.
    As to remounting, scrape/clean the rust & crud from the inner circle of the rim & the flat part of the hub so the rim fits before mounting & it will slip right on.

    joel w    Posted 07-17-2019 at 20:07:29 [URL] [DELETE]        [Reply] [No Email]  
  • Re: removal of rear wheel center disc
  • if you have a bottle jack and a 2x4, place the bottle jack on the frame of the tractor near the brake levers, and cut a 2x4 to the length you need to make contact with the wheel center. pump the bottle jack so it applies pressure to the wheel center. wear steel toe boots, because once the wheel center breaks free, so will the bottle jack and 2x4 (safety third!). do not place bottle jack over inspection plate covers! AL breaks pretty easy on these tractors. you might need a third had to get everything in position for this to work.

    paul appleton    Posted 07-29-2019 at 05:47:37 [URL] [DELETE]        [Reply] [Email]  
  • Re: removal of rear wheel center disc
  • Thanks for the ideas guys.

    paul appleton    Posted 07-18-2019 at 06:14:05 [URL] [DELETE]        [Reply] [Email]  
  • Re: removal of rear wheel center disc
  • Hey Farmer Dan, I may not have a torch but I have hundreds of feet of 2X4. This will be one of the methods I go for along with a couple of others.
    Thanks for the comeback.

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