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Case Tractors Discussion Forum
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Case SC grinding in rear?

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Josh

11-17-2003 08:38:44




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I have a 1941 SC and the rear makes noise when the tractor is moving. All the gears work well, but there is a lot of noise. What could be wrong? The tractor has been sitting for around 30 years, so i didn't think it would have a lot of wear on it. The drawbar is worn some though, so it has seen some use. Could the chains need adjusting? Thanks for any help.




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todd hamilton

11-17-2003 19:03:20




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 Re: Case SC grinding in rear? in reply to Josh, 11-17-2003 08:38:44  
Mine was squalling in cold weather with the old transmission oil. For about $30.00 or less you can drain that out, flush it with kerosene and replace it with 90W140 gear oil. It quieted mine down and stopped the seeping on belt pulley shaft. It looks like in the manual that the shaft from the clutch rides pretty high in the transmission case to where it connects with the belt shaft. If the fluid is low it could be running dry. Fill the tranmission to the bottom edge of the fill hole to the bottom right of the tractor seat. Book says 9 gallons - mine held 10 to get it to the hole.

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John Saeli

11-17-2003 10:55:07




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 Re: Case SC grinding in rear? in reply to Josh, 11-17-2003 08:38:44  
Hey Josh; We need some more info; With the gear shift in neutral, engage the clutch & listen for the noise. Is the trans. housing indeed full of gear oil & not water with some oil on top? From my experience, loose chains will not make a grinding noise. My Dad used to say they'd get so loose they'd slap the housing.



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Josh

11-17-2003 13:50:45




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 Re: Re: Case SC grinding in rear? in reply to John Saeli, 11-17-2003 10:55:07  
I haven't checked the oil. When the tractor is in neutral it is still loud, but when it is in gear the noise is worse. The noise seems to go away when the tractor is under some load and not just coasting. Thanks!



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dctom

11-17-2003 14:01:28




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 Re: Re: Re: Case SC grinding in rear? in reply to Josh, 11-17-2003 13:50:45  
has to be bearings on the input shaft or the first reduction shaft or possiably the bevel gears. check to see if youcan move the belt pully shaft could be that bearing



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