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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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Still busting shear bolts.

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mud

04-30-2006 06:45:08




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Finally got some time to put the 1850 to work mowing back our fields. Whenever I engage the PTO it snaps the shear bolt. When I start the tractor with the PTO already engaged the shear bolt wont snap. I don't like doing it this way. We did get all the mowing finished though. I was impressed with the power the 1850 showed. This is the first real work it's done since repairs. I pulled a flex-wing mower through some badly overgrown pastures. The trees and scrub were no match. Mowed in 3rd. direct. Engine ran cool, and didn't use any oil after a day and a half. Did develop a leak in a steel hydraulic line.

Looking forward to plowing with it someday.

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bradk

05-01-2006 18:20:36




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 Re: Still busting shear bolts. in reply to mud, 04-30-2006 06:45:08  
Does your tractor have the infamous Perkins engine flutter?Ours does and I could see it shearing bolts for a mower or baler.~brad



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mud

05-02-2006 05:18:28




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 Re: Still busting shear bolts. in reply to bradk, 05-01-2006 18:20:36  
No flutter. Pump and linkage was rebuilt by the farmer who owned it before me. Idles smoothly.



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JMS/MN

04-30-2006 22:08:11




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 Re: Still busting shear bolts. in reply to mud, 04-30-2006 06:45:08  
Similar question months ago. Turned out the guy was engaging the pto with the engine at pto speed instead of idle.



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mud

05-01-2006 08:16:07




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 Re: Still busting shear bolts. in reply to JMS/MN, 04-30-2006 22:08:11  
I'm easing it in at low idle gritting my teeth while I do it.



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Don-Wi

04-30-2006 07:03:42




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 Re: Still busting shear bolts. in reply to mud, 04-30-2006 06:45:08  
Just one thought, don't think it was mentioned yet, but how hard are you engaging the PTO? Are you just slamming it in or are you slowing easing it in?
Donovan from Wisconsin



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mud

05-01-2006 08:18:22




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 Re: Still busting shear bolts. in reply to Don-Wi, 04-30-2006 07:03:42  
Hi Don, I'm trying my best to ease it on in. I have 2 bolts left. All the mowing is finished now so I can try to experiment with it some more.



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Don-Wi

05-01-2006 20:28:32




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 Re: Still busting shear bolts. in reply to mud, 05-01-2006 08:18:22  
Hmmm. Sumthin aint right but I don't know much about the 50 series. It should be fine if you ease it in but,.....
Donovan from Wisconsin



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mud

05-02-2006 05:20:59




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 Re: Still busting shear bolts. in reply to Don-Wi, 05-01-2006 20:28:32  
That was my thinkin too. Ease it in and then raise the idle. Ain't so though. All four PTO shafts on the mower turn freely by hand, so that can't be to problem either.



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Larry from md

05-01-2006 09:30:22




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 Re: Still busting shear bolts. in reply to mud, 05-01-2006 08:18:22  
Many years ago we had a dry clutch with a chunck missing from the disc and that thing would grab all at once,no matter how easy you tried to engage it.



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mud

05-02-2006 05:22:54




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 Re: Still busting shear bolts. in reply to Larry from md, 05-01-2006 09:30:22  
Ugh... I hope that is not what the problem is. Sure is compelling though...

:^(

mud



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