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Clutch
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- Cub Star
- Posts: 71
- Joined: Tue Mar 15, 2022 7:19 pm
- Zip Code: 20855
Clutch
To quote tractor Mac.
It was a pain and a paing and a bing and a bang or something like that.
Lots of back and forth and backing up and not being 100% amazing with the clutch (2 teens and one neighbor driving) and there was smoke then a bang then, an only engaged clutch.
Adjusted the clutch throw bolt (the 5/8 one attached to the pedal) and with the tractor off and the PTO engaged (so I can see what the clutch is doing, I crank it around and the pto is still spinning and at full clutch pressure it locked the motor but wasn't releasing.
Thoughts? suggestions?
Thanks!
Andrew in MD with the grass growing higher and his tractor now laid up.
It was a pain and a paing and a bing and a bang or something like that.
Lots of back and forth and backing up and not being 100% amazing with the clutch (2 teens and one neighbor driving) and there was smoke then a bang then, an only engaged clutch.
Adjusted the clutch throw bolt (the 5/8 one attached to the pedal) and with the tractor off and the PTO engaged (so I can see what the clutch is doing, I crank it around and the pto is still spinning and at full clutch pressure it locked the motor but wasn't releasing.
Thoughts? suggestions?
Thanks!
Andrew in MD with the grass growing higher and his tractor now laid up.
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- 10+ Years
- Posts: 1126
- Joined: Sun Feb 02, 2003 6:51 pm
- Zip Code: 21228
- Tractors Owned: 1948 Farmall Cub
LT1045 Cub Cadet - Circle of Safety: Y
- Location: MD, Catonsville
Re: Clutch
I’m having trouble understanding what you are describing. When you press the clutch pedal all the way down, do the clutch fingers make contact with the throw out bearing?
Bill VanHooser
Cub 54 Blade, Cub 193 Moldboard Plow, Cub 28A Disc Harrow
Cub 54 Blade, Cub 193 Moldboard Plow, Cub 28A Disc Harrow
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- Cub Star
- Posts: 71
- Joined: Tue Mar 15, 2022 7:19 pm
- Zip Code: 20855
Re: Clutch
I didnt actually look at it while I was manually cranking. I can do that tomorrow.
The throwout bearing would engage but from the looks of it the forks did something dumb and the clutch does not disengage.
Does that make better sense?
The throwout bearing would engage but from the looks of it the forks did something dumb and the clutch does not disengage.
Does that make better sense?
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- 10+ Years
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- Joined: Tue Jan 12, 2010 2:08 pm
- Zip Code: 12514
- Circle of Safety: Y
Re: Clutch
looks like the clutch finger is all bent in the 1st pic
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- Cub Pro
- Posts: 4561
- Joined: Fri Nov 18, 2005 4:27 pm
- Zip Code: 06076
- Circle of Safety: Y
- Location: CT, Stafford Springs
Re: Clutch
The graphite of the throwout bearing looks bone dry in the 3rd photo.
1957 Farmall Cub "Emory", Fast-Hitch, L-F194 Plow & Colter, L-38 Disc Harrow, Cub-54A Blade, Cub-22 Sickle Bar Mower, IH 100 Blade
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- Cub Star
- Posts: 71
- Joined: Tue Mar 15, 2022 7:19 pm
- Zip Code: 20855
Re: Clutch
Rekon the dry release bearing and the bent finger are related?
Did I used the wrong grease?
Did I used the wrong grease?
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- 10+ Years
- Posts: 1126
- Joined: Sun Feb 02, 2003 6:51 pm
- Zip Code: 21228
- Tractors Owned: 1948 Farmall Cub
LT1045 Cub Cadet - Circle of Safety: Y
- Location: MD, Catonsville
Re: Clutch
I agree that the throw out bearing looks dry, and there are abrasion marks on the clutch fingers from contact with the bearing. Is the throw out actually made of graphite?
Bill VanHooser
Cub 54 Blade, Cub 193 Moldboard Plow, Cub 28A Disc Harrow
Cub 54 Blade, Cub 193 Moldboard Plow, Cub 28A Disc Harrow
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- 10+ Years
- Posts: 5227
- Joined: Tue Jan 12, 2010 2:08 pm
- Zip Code: 12514
- Circle of Safety: Y
Re: Clutch
when replacing this I soak the throwout bearing in light oil/atf for a least a week before installing then fill it with light cheap grease that melts so the graphite can absorb it
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- 10+ Years
- Posts: 6165
- Joined: Mon Mar 19, 2012 7:33 pm
- Zip Code: 00000
- Tractors Owned: 1956 Farmall Cub with Fast Hitch, F-11 plow, Disc, Cultivator, Cub-22 mower
- Circle of Safety: Y
- Location: Wa.
Re: Clutch
Hi,
It looks like the pressure plate fingers in your pictures are bent down.
The pressure plate looks clean and nearly new.
You didn't say where you bought the pressure plate, if you put in a new one.
Someone on here in the past had that happen with a new pressure plate he put in. He thought the metal in the fingers was too soft.
It needs another pressure plate in better condition.
It looks like it needs the throwout bearing lubed, if it is still good. If the front of it is rough or broken, it needs a new bearing also, to use with a good pressure plate.
Some people on here like the original pressure plates IH used better than a new pressure plate.
Below are pics at TM Tractor Parts of a new pressure plate, you can see the shape of the fingers where they touch the throwout bearing in the 2nd pic.
http://www.tmtractor.com/new/cl/625fp.htm
It looks like the pressure plate fingers in your pictures are bent down.
The pressure plate looks clean and nearly new.
You didn't say where you bought the pressure plate, if you put in a new one.
Someone on here in the past had that happen with a new pressure plate he put in. He thought the metal in the fingers was too soft.
It needs another pressure plate in better condition.
It looks like it needs the throwout bearing lubed, if it is still good. If the front of it is rough or broken, it needs a new bearing also, to use with a good pressure plate.
Some people on here like the original pressure plates IH used better than a new pressure plate.
Below are pics at TM Tractor Parts of a new pressure plate, you can see the shape of the fingers where they touch the throwout bearing in the 2nd pic.
http://www.tmtractor.com/new/cl/625fp.htm
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- Posts: 33
- Joined: Thu Sep 23, 2021 7:00 am
- Zip Code: 75763
Re: Clutch
I just installed new clutch assembly, and installed it as it came from supplier at 7/8", one of videos on you tube says to set fingers at 7/8", with clutch fully depressed TO bracket gets in to pressure plate, Glen walked me through setting them at 1 3/16" with 1" free play on paddle, works great now. Looks like you have to many threads showing on adjustment nut to be set right. Can be adjusted with a threw hand hole with a little trouble.
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- Team Cub Mentor
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- Tractors Owned: 48 Cub Diesel (Cubota)
53 Cockshutt 20 restored (Shooter)
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47 Leader "B" (Herckie)
49 Leader "D" (Princess)
49 Leader "D" very rough
48 Leader "D" unrestored
Kubota B6200E
Kubota B6200HST
Kubota B8200HST-D - Circle of Safety: Y
- Location: OH West Mansfield
Re: Clutch
It looks, to me, that you have pretty serious damage to the pressure plate fingers. Might as well get busy splitting it.
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- 10+ Years
- Posts: 1126
- Joined: Sun Feb 02, 2003 6:51 pm
- Zip Code: 21228
- Tractors Owned: 1948 Farmall Cub
LT1045 Cub Cadet - Circle of Safety: Y
- Location: MD, Catonsville
Re: Clutch
Found this previous post regarding your misalignment. I believe it may be related to your current clutch problem. That post was almost two years ago and the throw-out bearing looks bone dry, almost to the point that it doesn't look like graphite.
https://farmallcub.com/phpBB2/viewtopic.php?f=1&t=113607&p=904974#p904974
https://farmallcub.com/phpBB2/viewtopic.php?f=1&t=113607&p=904974#p904974
Bill VanHooser
Cub 54 Blade, Cub 193 Moldboard Plow, Cub 28A Disc Harrow
Cub 54 Blade, Cub 193 Moldboard Plow, Cub 28A Disc Harrow
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- 10+ Years
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- Joined: Tue May 05, 2009 9:54 am
- Zip Code: 65101
- Location: Jefferson City, MO
Re: Clutch
Looks to me like your clutch fingers were set real low, since the graphite throw-out bearing is engaging the finger too far out from the center shaft. When I recently replaced the clutch on my Cub Lo-Boy the fingers were way too low on the new pressure plate when installed and torqued to the flywheel, as per instruction on this site. So I loosened them all up and reset them to the 1-3/16" setting using a dial caliper that I could set at that distance so all three could be set correctly. And the fingers all then were pitched up in profile near the transmission shaft, and not down or level like yours are. And I checked all the dimensions after torquing the hold down adjusters and retaining nuts to the book torque values.
1959 International Cub Lo-Boy W/Fast hitch, 59 Woods, dozer blade, plow
1954 Farmall Super C W/Fast hitch, belly dozer blade
1950 Farmall M
1954 Farmall Super C W/Fast hitch, belly dozer blade
1950 Farmall M
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- Team Cub Mentor
- Posts: 20387
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- Location: Mo. Linn
Re: Clutch
Split the tractor time.
How old is the pressure plate and throw out bearing? Appears new.
Fingers appear to have been friction heated and bent. Last photo, rear finger appears to be much taller/height than the two closer fingers. Gap between fingers and throw out bearing is excessive. Still considerable amount of finger height adjustment available.
Green stuff grease? Gotta use the cheap grease on throw out bearing.
How old is the pressure plate and throw out bearing? Appears new.
Fingers appear to have been friction heated and bent. Last photo, rear finger appears to be much taller/height than the two closer fingers. Gap between fingers and throw out bearing is excessive. Still considerable amount of finger height adjustment available.
Green stuff grease? Gotta use the cheap grease on throw out bearing.
I have an excuse. CRS.
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- Cub Pro
- Posts: 4561
- Joined: Fri Nov 18, 2005 4:27 pm
- Zip Code: 06076
- Circle of Safety: Y
- Location: CT, Stafford Springs
Re: Clutch
Eugene wrote:Split the tractor time.
How old is the pressure plate and throw out bearing? Appears new.
Fingers appear to have been friction heated and bent. Last photo, rear finger appears to be much taller/height than the two closer fingers. Gap between fingers and throw out bearing is excessive. Still considerable amount of finger height adjustment available.
Green stuff grease? Gotta use the cheap grease on throw out bearing.
I noticed that too after I posted about how dry the throw out bearing looked.
This is an example of the "cheap grease" Eugene is referencing.
1957 Farmall Cub "Emory", Fast-Hitch, L-F194 Plow & Colter, L-38 Disc Harrow, Cub-54A Blade, Cub-22 Sickle Bar Mower, IH 100 Blade
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