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Implement Alley Discussion Forum

Baler Question for NH expert

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Hayfarmer

06-16-2005 21:33:27




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Posted this last year but no success in solving problem. Have a NH 282 baler, twine tie, PTO drive. Baler works good but when I shear flywheel shear pin usually auxiliary(main drive) pin is also sheared. Not sure which goes first. Baler not in tying cycle and normally tine bar is on top about mid way between sprockets when it shears. Nothing I can determine to shear flywheel bolt even if tine bar in the chamber. Tine bar chain is tight as per book. Any suggestions?

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Joe(TX)

06-17-2005 09:17:06




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 Re: Baler Question for NH expert in reply to Hayfarmer, 06-16-2005 21:33:27  
I tend to agree with Steve. Just this week I had the feeder fork chain get loose on my S69. The adjustment bolts had worked loose. The forks would occasionaly hang a little until it finaly broke the main drive chain instead of the shear bolt(Don't buy the cheap chain).



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Steve from New Holland

06-17-2005 04:19:55




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 Re: Baler Question for NH expert in reply to Hayfarmer, 06-16-2005 21:33:27  
Hayfarmer, this sounds like a good challenge. Two things come to mind as possible problems. 1- There is a long rod that the feed forks stradle each time the forks sweep hay into the bale chamber. Is that rod bent so that the forks may occasionaly hit it? 2- How stretched is the chain that the feed forks rotate on? This would be the problem that I would suspect more than anything else. I have had these chains stretched so bad that the rollers no longer sat down in between the teeth of the sprockets, but rather the rollers tried to ride up along the side of the sprocket teeth. This causes the chain to become so tight that it either tears or shears a bolt. Steve

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Hayfarmer

06-18-2005 08:37:31




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 Re: Baler Question for NH expert in reply to Steve from New Holland, 06-17-2005 04:19:55  
Thanks for the help Steve and others. Yes always use NH shear bolts though I have to go to another town to get them now. I worked for the NH and JD dealer her for severl years back when the 283 was introduced and in it's prime. Used to bebuild these in the winter for customers. I'll check out what you mentioned, don't think the rod is bent but could be. I know the flywheel bolt tends to "wear out" after I use it a while. Have replaced flywheel shear bolt bushing but the drive arm is no longer available. Thanks again for the help.

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RickB

06-17-2005 03:21:39




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 Re: Baler Question for NH expert in reply to Hayfarmer, 06-16-2005 21:33:27  
Are you using New Holland shear bolts?



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Joel HArman

06-17-2005 06:07:12




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 Re: Baler Question for NH expert in reply to RickB, 06-17-2005 03:21:39  
grade 5 bolt is grade 5 bolt.



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RickB

06-17-2005 15:05:03




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 Re: Baler Question for NH expert in reply to Joel HArman, 06-17-2005 06:07:12  
But is a NH shearbolt grade 5? I have gone on calls where guys were using grade 2 bolts. They won't stand up, period. At 30-50 cents a pop for NH shearbolts, I won't waste the time to find out what grade they are. If they cost $7.50 a piece, that would be a different story. Last guy I saw that thought he knew more about shearbolts than New Holland's engineers got about 1500 bales of beautiful grass hay wet. Pretty high tuition.

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Joel HArman

06-17-2005 06:07:09




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 Re: Baler Question for NH expert in reply to RickB, 06-17-2005 03:21:39  
grade 5 bolt is grade 5 bolt.



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mike1111

06-17-2005 13:25:41




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 Re: Baler Question for NH expert in reply to Joel HArman, 06-17-2005 06:07:09  
shear bolt for a massey has a larger barrel than a regular bolt, will not fill the hole tight and when you start the pto the regular bolt will cut some and it takes less to shear them. the used massey i had , regular bolts had been used and had egg shaped the hole, had to get new bushings and massey shear bolts solved the problem.



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Joel Harman

06-17-2005 14:12:17




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 Re: Baler Question for NH expert in reply to mike1111, 06-17-2005 13:25:41  
ty for education. Grade 5 bolts from hardware store work great in my 272NH



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