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Implement Alley Discussion Forum

Changing blades in a disk

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Jake

03-11-2004 05:27:59




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Going to put some new blades on it and can't get the nut off. The jam-nut you grab to keep the shaft from turning broke inside and the shafts turns now when you try to break the nut free(rusted. I now other people had this problem and wondering what did you do to get the nut off

Thanks




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jake

03-16-2004 03:59:12




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 Re: Changing blades in a disk in reply to Jake, 03-11-2004 05:27:59  
The shafts are soft,I bent one last spring and if was hard it wouldn't of bent.After I cut them off I did a hand file test and its a soft shaft



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Mguy

03-13-2004 12:25:31




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 Re: Changing blades in a disk in reply to Jake, 03-11-2004 05:27:59  
Ser yer disk down on the ground in the tool shed or outside. Then get a 18 inch ridgid pipe wrench and place it on the nut. Bang 'er loose with a 3 lb. sledge.Mguy.



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jake

03-12-2004 15:00:03




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 Re: Changing blades in a disk in reply to Jake, 03-11-2004 05:27:59  
I ended up cutting them off,they where round.Called around to see if i could find any...nothing...all the had was square.I work in a shop so I ended up making my own,turned out pretty good and should be on tonight.The shaft has a square ended on it to slide into a plate,I ended up making the square bigger and now I can use a wrench on that end to tighten things up



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paul

03-12-2004 21:54:54




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 Re: Re: Changing blades in a disk in reply to jake, 03-12-2004 15:00:03  
Hum, always thought they needed to be hardened steel to be worthwhile. Couldn't you have just cut the nut off?


--->Paul



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John A

03-11-2004 19:38:41




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 Re: Changing blades in a disk in reply to Jake, 03-11-2004 05:27:59  
Jake, My Krause disk has a round shaft. So putting a big pipe wrench on one of the spools is worthless! Put that pipe wrench at the back end of that gang of disk, there should be a shouldered end there to get that wrench on.
If after you place your wrenches on each end and you determine the shaft is broken, then break out the "flame wrench" and go to cutting. Good luck!
Later,
John A.



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Bernie in MA

03-11-2004 08:47:09




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 Re: Changing blades in a disk in reply to Jake, 03-11-2004 05:27:59  
I've done what Mark says many times. Also, make a small crease, about 1/16", in one flat of the nut with a big cold chisel. It will spread it just a fraction, enough to let the Kroil in and to free the rust. You can still use the nut. Just file/grind off the ridges beside the crease



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Indydirtfarmer

03-11-2004 08:43:53




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 Re: Changing blades in a disk in reply to Jake, 03-11-2004 05:27:59  
Hold the "axle' with a big (at least 24") pipe wrench. You can get a good grip on one of the spools. (The spacers between the disc pans) After soaking them with penatrating oil, (I use brake fluid) take an impact wrench to the nut. That'll knock 'em loose. If the nut is rounded off, try welding something to the nut, that will give you a flat surface to get a wrench on. Last resort, take a "smoke wrench" (cutting torch) to the nut. I have also put a C-clamp on one of the disc's, in such a way as to prevent it from turning. I just re-built an old disc. I found out that axles aren't so expensive. If they give you too much trouble, just hack-saw 'em, and replace. On the old disc I just re-built, the replacement axles were only $22.00 each. Good luck. John

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Mark

03-11-2004 05:54:06




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 Re: Changing blades in a disk in reply to Jake, 03-11-2004 05:27:59  
1. Get some KROL penetrating oil and give her a good dousing. Let it soak for half hr or so.

2. Get a 36 to 48" pipe wrench and grab your spacer (between blades).It should be square as I assume your axle is. Might need a couple of cheater bars.

3. Tug.

Mine doesn't have a backing nut. It has a steel tab that bends over the nut and prevents turning. The outer cast piece (end cap) has a detent for the tab to fit into and the end cap is square as is the axle. Works pretty good and ASC has them.

ASC has axles to.....cheap. 800 345 0169

Wish you luck.

Mark

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