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Denis in MI 
Orange Level
Joined: 15 Sep 2009
Location: Norvell, MI
Points: 832
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 Topic: Should the disk blades rub
Posted: 13 Apr 2011 at 9:31am |
I have a old JD disk (KBA model I think) that the inner most blade on the front gangs rub against each other. This does not seem right to me, I have not seen other disks do this so I wonder if I need to correct something. I have the disk up by the shop to do some repairs and maintenance so I thought I would ask now rather than have to fix something when it breaks in the field.
Thanks for any help or oppinions,
Denis
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1938 B, 1945 B, 1941 IB, 1949 C, 2 1938 WCs, 3 1950 WDs, 1951 WD, 2 1955 WD45, 1957 D-14
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captaindana
Orange Level
Joined: 14 Sep 2009
Location: Fort Plain, NY
Points: 2382
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Posted: 13 Apr 2011 at 12:24pm |
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Denis I used to have big discs when I was running 550 acres and they were close but no, not touching. My rebuilt AC 200 series 8 foor SC discs are within a few thousands of and inch of each other but again not quite touching.
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jaybmiller
Orange Level Access
Joined: 12 Sep 2009
Location: Greensville,Ont
Points: 21719
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Posted: 13 Apr 2011 at 12:31pm |
Not right, capndana is correct, close but NOT touching.Same holds true for the 'clod busters' or disc cleaners, close but no cigar !
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
Never burn your bridges, unless you can walk on water
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Dick L
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Joined: 12 Sep 2009
Location: Edon Ohio
Points: 5082
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Posted: 13 Apr 2011 at 2:00pm |
Never pulled a J D pull type disc without tires. My old oliver disc would start rubbing when the cast bearing started to ware. It has cast iron hubs that will then rub. They always staid real shinny. Never worred much about it. I am in the process of totally rebuilding it now.
I have the back half about done.
Here is a link if you would like to see how bad it was when I started. Most of the back top frame had to be made new. The drawbars are the old ones straightened.
I still have more pictures to put on.
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Denis in MI
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Joined: 15 Sep 2009
Location: Norvell, MI
Points: 832
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Posted: 13 Apr 2011 at 6:44pm |
OK so now the question is should I try to correct the problem or not worry about it since the most it will see each year is 20 or so acres
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1938 B, 1945 B, 1941 IB, 1949 C, 2 1938 WCs, 3 1950 WDs, 1951 WD, 2 1955 WD45, 1957 D-14
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Dick L
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Joined: 12 Sep 2009
Location: Edon Ohio
Points: 5082
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Posted: 13 Apr 2011 at 9:25pm |
I personaly would not worry about it.
If it has the same cast iron bearings that I used on my Oliver disc get some prices and pick your time. You won't do much extra ware the way it is.
I have over 700 bucks in parts and steel so far. I (think) I will only have to buy a few 1/2" grade 8 bolts yet and some paint to be done. Probly take it right up next to 800 bucks total. I started last fall doing a little when I could find time. I had to make one part yesterday and weld another today for the left front gang.
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Dans 7080
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Joined: 05 Feb 2010
Points: 1146
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Posted: 13 Apr 2011 at 11:07pm |
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Dad has a 470 IH disc without a middle buster and the blades rub at the greatest angle which is what its run at. I wouldnt worry about it id run it the way it is.
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427435
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Joined: 18 Nov 2010
Location: SE Minnesota
Points: 18637
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Posted: 13 Apr 2011 at 11:07pm |
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They may be touching, but they should be turning at the same speed-------so there shouldn't be much wear.
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Mark
B10 Allis, 917 Allis, 7116 Simplicity, 7790 Simplicity Diesel,
GTH-L Simplicity
Ignorance is curable-----stupidity is not.
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