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aaronac1 
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Joined: 07 Jan 2013
Location: Burlington Iowa
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 Topic: what size die do I need? (n5help)
Posted: 13 Oct 2015 at 8:55pm |
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I had a bearing go out on the variable speed pulley on the pivot shaft and the threads that holds the nut that keeps the bearing in place needs chased. Would or can anyone find out what size die o would need. In the parts book it only says nut with a part number 0921138 but does not say what size it is exactly. I think it is either 3/4 10 or 3/4 16 but im not sure
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Wd-45 D-17s4 170 185 190xt 7045 8070
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DrAllis
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Joined: 12 Sep 2009
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Posted: 13 Oct 2015 at 9:17pm |
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Pretty sure it's "fine" threaded.
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Lynn Marshall
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Joined: 13 Sep 2009
Location: Dana, Iowa
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Posted: 13 Oct 2015 at 9:17pm |
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Pretty sure that it's fine threaded. Wow, what are the odds of that?? If I hadn't typed the word that, I might have beat the Dr.
Edited by Lynn Marshall - 13 Oct 2015 at 9:57pm
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MACK
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Posted: 13 Oct 2015 at 9:33pm |
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Get a thread file, if you don't have a die that fits. MACK
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SteveM C/IL
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Posted: 13 Oct 2015 at 10:16pm |
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Good call Mack. Old school and works.Takes effort and attention though.
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Gerald J.
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Location: Hamilton Co, IA
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Posted: 13 Oct 2015 at 10:37pm |
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Often bearing retaining nuts are special extra fine, as fine as 32 per inch, more often 24 per inch at that size. The thread file can solve many problems. The die may not get started right if the threads are beat and make a worse mess than the thread file.
A collection of smaller bolts with threads of 16, 18, 20, 24 per inch can be used to gauge the original threads to see what thread file is needed. The right sizes will nest neatly the wrong threads won't.
Gerald J.
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orangereborn
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Location: NW WI
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Posted: 14 Oct 2015 at 9:18am |
 aaronac1 wrote:
I had a bearing go out on the variable speed pulley on the pivot shaft and the threads that holds the nut that keeps the bearing in place needs chased. Would or can anyone find out what size die o would need. In the parts book it only says nut with a part number 0921138 but does not say what size it is exactly. I think it is either 3/4 10 or 3/4 16 but im not sure |
921138 is referred to as 3/4 inch, Thin type TE, Plated, NF-3...Dale
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DougS
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Posted: 14 Oct 2015 at 9:37am |
aaronac1 wrote:
I had a bearing go out on the variable speed pulley on the pivot shaft and the threads that holds the nut that keeps the bearing in place needs chased. Would or can anyone find out what size die o would need. In the parts book it only says nut with a part number 0921138 but does not say what size it is exactly. I think it is either 3/4 10 or 3/4 16 but im not sure |
If you are holding the bolt in your hot hands you can measure 1/2 inch of length and count the number of threads in that half inch. Multiply this number times two. This will get you very close to the thread count of the bolt. Measure across the bolt and this will get you the bolt diameter. Pick the standard size that is closest to your measurements. Your thread count should be within one or two of a standard count for that diameter. I would think it would be cheaper to buy another bolt instead of a die.
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Dick L
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Joined: 12 Sep 2009
Location: Edon Ohio
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Posted: 14 Oct 2015 at 12:01pm |
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I like a knife file better than the threads files for repairing dinged threads. I have some thread files but they seem to take more time.
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thendrix
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Joined: 04 Feb 2013
Location: Fairmount GA
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Posted: 14 Oct 2015 at 2:10pm |
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I'm a fan of a triangle file if the threads are big enough to use one.
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"Farming is a business that makes a Las Vegas craps table look like a regular paycheck" Ronald Reagan
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Walker
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Posted: 14 Oct 2015 at 4:36pm |
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Three cornered file works for me.
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Coke-in-MN
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Posted: 14 Oct 2015 at 4:50pm |
rather that a die - thread chasers also work - like a not of proper size and thread and work in many cases . I have thread files but have used a tap with the right thread and just use edge of tap to scrape threads clean - takes some effort but works .
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Life lesson: If you’re being chased by a lion, you’re on a horse, to the left of you is a giraffe and on the right is a unicorn, what do you do? You stop drinking and get off the carousel.
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desertjoe
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Posted: 14 Oct 2015 at 6:53pm |
I use the fine files that came in a set ($6 for set of 8 files) from HF and surprisingly have lasted a long time and still cut good. Have successfully fixed a lot of buggered threads,,,, 
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