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Farmall & IHC Tractors Discussion Forum
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1941 farmall m clutch adjustment

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Frank in Texas

02-13-2008 19:00:19




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I recently purchased the tractor and am very pleased with it. I noticed the clutch has very little travel when releaseing it. Previous owner stated that it may need an internal adjustment thru the plate underneth. I attempted to adjust the outer rod but wow what a mistake. I had to put it to its original setting. I did manage to get to go into gear while the engine is running/ Previous owner stated you had to shut off the tractor in order to change gears with out grinding them. Any help in this area would be appreciated. Thanks

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Janicholson

02-14-2008 07:10:40




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 Re: 1941 farmall m clutch adjustment in reply to Frank in Texas, 02-13-2008 19:00:19  
As a clutch driven plate wears, it gets thinner. This thinning causes the pedal to have less and less free play. If it has good holding power, and is not slipping, (and not making rattling noises in the housing), it may just need adjustment.
Freeplay is measured between the trans cover and the place where the pedal hits it when the clutch is against it (foot off the pedal).
It should be one inch of free travel before it begins to be harder to push. It should be just the return spring pulling against the pressure from your hand as you push in on it that inch.
Adjusting the rod so that it has that amount of freeplay, is important.
If the pedal goes down several inches before doing anything it must be adjusted.
If the freeplay is almost none, the pressure starts near first movement, and it still grinds into gear, it is clearly in need of a new clutch assambly. either the disk is warped, the splines on the removable input shaft are bad/binding, or the pressure plate is worn and not releasing correctly. It could be a combination of several.
The clutch pressure plate throwout bearing system can be changed without splitting this tractor. The belly pump must be removed, and the process is then simple. The removal of the coupler for the input shaft to the tranny is critical to remember how it is put together. Pictures are best, and a manual (available here on this site). I hope this helps, Please keep us informed in a new thread if this one gets burried. JimN

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Frank in Texas

02-15-2008 19:33:30




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 Re: 1941 farmall m clutch adjustment in reply to Janicholson, 02-14-2008 07:10:40  
Thank You. I had time to read all the forum on the M. Another had the same problem even after replacing the clutch disks. The answers ther were also extremely helpful. I will probably have many more questions. I have read the manual front to back several times and just learning about the M. Mine is a propane system running just fine otherwise. Hopefully it stays that way for awhile, i've got some plowing to do. Again, Thank You.

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dej(jed)

02-14-2008 04:28:58




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 Re: 1941 farmall m clutch adjustment in reply to Frank in Texas, 02-13-2008 19:00:19  
Grinding between gears is not normal. If gears are grinding you are attempting to shift too quickly. It is not a synchronized transmission.
You can get more travel out of the fingers, but let's face it, the clutch needs changed.



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John M

02-14-2008 03:45:16




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 Re: 1941 farmall m clutch adjustment in reply to Frank in Texas, 02-13-2008 19:00:19  
the only other adjustment is the 3 fingers on the pressure plate, but I dont have those specs in front of me. BTW, its completely normal for them to grind a little, alot and you need to start checking it out.



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