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Farmall & IHC Tractors Discussion Forum
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Grinding Gears

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JBlavl

07-07-2005 14:15:01




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Been a while since I was on here last so hoping you ol boys and girls will still help me out. On my Super C when I am sitting in neutral and idling I push in the clutch and have to wait what seems like forever before the gears will stop spinning (sometimes they don’t, especially if it is hot). I have to ease the shifter into whatever gear I am going for to make sure it's not going to grind. I checked to make sure the throw out bearing was not touching the clutch fingers when fully out and that it pushed the fingers in when I push the clutch in. Both of which it does. The only thing that is not to spec is that my clutch only travels about an inch before the throw out bearing touches the fingers instead of the 1 and 7/16 the IH manual suggests. If I am driving around and push the clutch in and stop and shift gears without releasing the clutch it shifts just fine and dandy. I just don't even remember having to wait so long before being able to put it in gear. Also I just replaced the pressure plate when I had it apart last summer, but not the throw out bearing because it still looked useful. Any suggestions are greatly appreciated. Thanks

Josh

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gene b

07-07-2005 20:36:08




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 Re: Grinding Gears in reply to JBlavl, 07-07-2005 14:15:01  
Your clutch kit should have came with a new pilot bearing for the crankshaft. When they are shot the output shaft will drag and keep the shaft turning and therefore that is why the gears will clash.



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JBlavl

07-08-2005 05:31:06




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 Re: Grinding Gears in reply to gene b, 07-07-2005 20:36:08  
I didn't get a clutch kit only the pressure plate as it had a lot of stress marks on the face. Clutch and fly wheel looked really good. My father changed things in there once upon a time but I am not sure if he did a complete job. I did not put a new pilot bearing in and now am kicking myself as I think that might be my problem. Any ideas on how I can test and see if it really is the pilot bearing or not?

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wolfman

07-07-2005 17:34:37




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 Re: Grinding Gears in reply to JBlavl, 07-07-2005 14:15:01  
Try pushing the gear shift snugly above reverse (as if there were a gear there); then put it in whatever gear you want. Sort of a trans brake.



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farmallhal

07-08-2005 06:53:54




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 Re: Grinding Gears in reply to wolfman, 07-07-2005 17:34:37  
Wolfman, Although I don't have the problem as noted in the original post, your suggestion is sure a pleasure to use. Tried it this morning on my Super C when I went to check cows and your suggestion is just the way to go. Instead of waiting a couple seconds going from neutral to a gear or from forward to reverse or vice versa, just a quick trip to far right and up first lets them mesh with no noise. Thanks again for my learning of yesterday. Hal

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JBlavl

07-08-2005 05:28:46




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 Re: Grinding Gears in reply to wolfman, 07-07-2005 17:34:37  
I did try this as I have read the same suggestion elsewere but it didn't seem to help at all.



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Dave BN

07-07-2005 16:53:53




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 Re: Grinding Gears in reply to JBlavl, 07-07-2005 14:15:01  
Your gear lube might be thinned with water letting the gears turn too easily. Also the clutch or pilot bearing might be bad or a combination of the two. New gear lube wouldn't hurt unless it's been changed recently. Dave



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JBlavl

07-08-2005 05:28:12




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 Re: Grinding Gears in reply to Dave BN, 07-07-2005 16:53:53  
The gear lube is fairly new and it's stored inside all the time so I don't think there is water in there. Also used regular gear lube I believe so I hope it's not too thinned out.



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Andy Martin

07-07-2005 15:30:02




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 Re: Grinding Gears in reply to JBlavl, 07-07-2005 14:15:01  
Your clutch may not be fully disengaging. I have seen them loose a portion of the lining off the clutch disc. It is captured by the flywheel so it rides along on the outside of the clutch disc and tries to drag it along.

To test and see whether you have this problem, stop with the tractor in gear, then shift to neutral and leave it there for several seconds, then shift back into gear. If it grinds, the clutch is dragging. It won't hurt anything, but it is aggravating and will probably get worse.

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JBlavl

07-08-2005 05:26:58




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 Re: Grinding Gears in reply to Andy Martin, 07-07-2005 15:30:02  
I have tried what you mention and it does not start spinning if I take it out of gear and leave it in neutral. Only does it after idling in neutral.



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Allan in NE

07-07-2005 14:45:37




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 Re: Grinding Gears in reply to JBlavl, 07-07-2005 14:15:01  
Normal. Double clutch it and slow you engine speed down.

Allan



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JBlavl

07-08-2005 05:26:04




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 Re: Grinding Gears in reply to Allan in NE, 07-07-2005 14:45:37  
What does double clutching do? I have never figured that out.



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Allan in NE

07-08-2005 05:47:34




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 Re: Grinding Gears in reply to JBlavl, 07-08-2005 05:26:04  
Josh,

Double clutching just helps bring the transmission mainshaft and the transmission input shaft to the same speed.

Before the days of syncro trannys, it was the norm for shifting on the move.

Allan



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Illinois Boy

07-07-2005 14:31:54




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 Re: Grinding Gears in reply to JBlavl, 07-07-2005 14:15:01  
What weight oil did you put in the trans?
Light weight oil will let everything to spin for at least 5-8 seconds. That's about all I could suggest if you're sure the clutch is fully disengaging.

How about it guys... ???



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