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Farmall & IHC Tractors Discussion Forum
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Lubricating Throw Out Bearing

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JayWalt

10-15-2006 07:49:17




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My 300u tends to grind gears, not bnad but u gotta hold the shifter to where u feel the traqnny gears stop, then engage the gear. Before messing with the clutch pedal (since the manual is not like the actual setup at all), I'd like to lube the throwout bearing and eliminate that as an issue first. At first I thought the clutch shaft zerks were for the pilot bearing, but they are not. How do you lbe it? There is a cover under the tractor That might give me acess to it, but I dunno. Just want to make sure I do it right .
Any idea would be appreciated.
I wouldnt care, but because my sole use of this is the loader, there's going to be alot of shifting going on =)

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Hugh MacKay

10-16-2006 11:16:37




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 Re: Lubricating Throw Out Bearing in reply to JayWalt, 10-15-2006 07:49:17  
Jay: Read the post by glennster, I had forgotten this. Been around those little offsets too long.



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Janicholson

10-15-2006 18:44:24




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 Re: Lubricating Throw Out Bearing in reply to JayWalt, 10-15-2006 07:49:17  
Jay, the gears in a Farmall are straight cut sliding gears (except 5th which is a spline coupling). the inertia of the gears is such that they will always grind from neutral into any gear unless 5 to 10 seconds go by while they slow down from the friction of the oil in the trans. There are no syncros at all. The best tactic is to push in the clutch and let the tractor stop while in gear. That stops the trans gears with the axle. Then shifting will be clash free. If it spins up the gears as follows, it needs the clutch adjusted, or replaced. Move the tractor in first gear, then stop with the clutch. When stopped, put the shifter in neutral while holding down the clutch as before. Wait for 15 seconds with the clutch down and then try to put it into first. If it grinds, there is need for clutch repair/adjustment. if not, it is normal as can be. JimN

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Hugh MacKay

10-15-2006 16:10:20




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 Re: Lubricating Throw Out Bearing in reply to JayWalt, 10-15-2006 07:49:17  
Jay: The only way to lubricate the pilot bushing or bearing is split the tractor. I say bushing or bearing as I've forgotten which the 300 has.



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glennster

10-16-2006 08:10:27




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 Re: Lubricating Throw Out Bearing in reply to Hugh MacKay, 10-15-2006 16:10:20  
on the m and the h there is a zerk in the flywheel, you roll the motor over and watch thru a hole at the bottom until the zerk shows, then a couple of pumps is all you need for the pilot bearing. i dont know if the 300 would have the zerk, but its worth a look see



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Hugh MacKay

10-16-2006 10:51:40




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 Re: Lubricating Throw Out Bearing in reply to glennster, 10-16-2006 08:10:27  
Glen: Your right and the 300 has it as well. I guess I've just been away from the larger tractors too long. These little offsets don't offer that luxury.



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gene bender

10-15-2006 15:18:50




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 Re: Lubricating Throw Out Bearing in reply to JayWalt, 10-15-2006 07:49:17  
If the throwout bearing was dry you would hear a noise.



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JayWalt

10-15-2006 13:27:45




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 Re: Lubricating Throw Out Bearing in reply to JayWalt, 10-15-2006 07:49:17  
No TA, will check under that cover for a zerk tomorrow.
Thanks guys



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Steven@AZ

10-15-2006 08:59:49




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 Re: Lubricating Throw Out Bearing in reply to JayWalt, 10-15-2006 07:49:17  
Lubricating the throwout bearing is a good idea, but it is most likely not your problem. If the throwout bearing was bad, you would hear a noise when you push the clutch in.

I think you may have an adjustment problem. Do you have a TA? If so you need to follow the adjustment procedure EXACTLY or you will have problems.

If an adjustment doesn't help, then you may have trouble with the pilot bearing.

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K-Mo

10-15-2006 08:27:26




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 Re: Lubricating Throw Out Bearing in reply to JayWalt, 10-15-2006 07:49:17  
You may need to remove the metal cover (two bolts) and look for a zerk mounted to the end of a short piece of 1/8" pipe coming down from throwout bearing.
However, the throwout bearing is not a likely problem. More likely the the problem would be associated with clutch adjustment, clutch pilot bearing or within the clutch.
K-Mo



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