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Ford 9N, 2N & 8N Discussion Forum

Stripped threads

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Spudds

09-03-2004 18:01:34

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Hey guys it's me again with another spindle problem. Apparently a previous owner allowed the front end on my 8n to get "wobblie" and the castle nut wore down the threads on the spindle. After replacing the races, bearings and seal, I find that I can't snug it up because the threads are shot a half inch from the end. I tried using a couple of thick washers under the nut but then I couldn't get the cotter pin in. Anyway rather than completely replace the spindle a machinest suggested that I might consider re-threading the end of the spindle (which is 3/4"-16) to the next smaller size. Anyone ever hear of this, or have a suggestion?

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Leroy

09-04-2004 05:18:10

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Re: Stripped threads in reply to Spudds, 09-03-2004 18:01:34

Very posible a new nut will do the job with doing nothing more

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Bob

09-04-2004 00:39:54

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Re: Stripped threads in reply to Spudds, 09-03-2004 18:01:34

Your problem has been covered on here before!

There is a special locking nut that will fix your problem, and it looks like this:

Link

(remove asterisks "*")

In my present tired state, I'm not sure if this is the exact part you need, but it will give you the idea of how to fix it. The repair spindle nut is supposed to grip tighter than the original.

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Spudds

09-04-2004 08:34:51

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Re: Stripped threads in reply to Bob, 09-04-2004 00:39:54

Bob, The clamp type lock nut looks like it would work, but they must keep an armed guard near the bin where they"re stored, at $26.39 a piece. I guess that"s still cheaper than a new spindle. Anyway I"ll keep it open as an option. Thanks

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Dell (WA)

09-04-2004 12:02:28

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Re: Stripped threads in reply to Spudds, 09-04-2004 08:34:51

Spudds..... ...caution: there's TWO different sizes of "clamp'em" nuts for N-Axles. 3/4" for front axles, about $12 (cheap) and 1-1/4" for rear axles, about $26 (cheap) And they do work good..... ...Dell

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Adam Paul

09-03-2004 19:59:11

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Re: Stripped threads in reply to Spudds, 09-03-2004 18:01:34

Well, I'm not going to kid you with this solution, as it is most likely the crudest repair I ever made... I had the exact thing happen to me with an old utility trailers axle spindle... I tightened it up by hand so the bolt was close to the bearing and welded the bolt right to the spindle!!! I figured, got a welder, got a grinder!!! It's worked really well, but to this day, I still thing it's the crudest repair in the book!!! At least my book anyway!
Get it re-threaded... I think I just had a need to get a skeleton out of the closet!!!
Adam

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souNdguy

09-03-2004 18:59:14

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Re: Stripped threads in reply to Spudds, 09-03-2004 18:01:34

That's a possibility. Other possibility is to use 2 jambnuts if you can get them in the correct size, and not use the castle nut. Run it up tight with a waher or whatever.. then lock it on with the other nut. Heck.. might get a jambnut to run up behind the castle nut. Just depends on those threads and how bad they are.. etc.

I think the smith does have a used spindle though.. if you are pulling it.. might as well throw a used on in.. unless you can get that one threaded cheap.

Another option is to have it welded up, and rethreaded oem size. A good machinest can do this before his first cup of coffee without even being awake.

Guess you could also drill the old spindle for a new cotter hole as well and use the castle nut and washer.. etc.... locknut? threadlocker liquid?

Soundguy

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Spudds

09-03-2004 20:56:27

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Re: Stripped threads in reply to souNdguy, 09-03-2004 18:59:14

Thanks for the input Guys. I was hope'n to fix it without pulling/replacing the spindle which would be required if any welding (I don't weld) is required. I'm going to try some more washer/nut combinations and maybe rethreading before I throw in the towel and pull the spindle. While I'm ask'n, are the spindles interchangeable, or is there a left and a right?

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souNdguy

09-04-2004 13:45:19

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Re: Stripped threads in reply to Spudds, 09-03-2004 20:56:27

Here's some text from the smiths site.

""Front spindle left side part number 8N3106 or right side part number 8N3105. Fits all 8N and NAA tractors. Good shape.
$45 each - free shipping ""

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