2550 clutch

onefarmer · Mar 17, 2015

Having an issue with my 2550 w/sgb. Last summer the clutch was starting to drag and not want to fully release. It has had trouble with the slave cyl leaking so I was blaming it and the master. After replacing both the clutch still wouldn't release. I got to looking and it appears the slave does push on the clutch lever but not enough for it to disengage. The lever itself looks like it's all the way forward like the clutch should be disengaged.

Would this be the clutch facings came apart and wedged up between the flywheel and pressure plate? I suppose I need to do a split?

Tx Jim · Mar 17, 2015

Those slave & master cylinders have a long history of being difficult to bleed the air out of them. Do you think you have all the air bled out??

onefarmer · Mar 17, 2015

99% sure

Tx Jim · Mar 18, 2015

Air is all I can think of that will limit cylinder travel length.

Dave Berg · Mar 18, 2015

Pressure bleed them from the bottom up is the only way to ensure they are bled properly, that is way easier than trying to force air that is up in the master cylinder down to the slave by pumping the pedal

onefarmer · Mar 18, 2015

Here on this pic is the pedal at rest, all the way out. To the left is the pedal stop.

In this pic is the pedal pushed as far down as it will go. As you can see it doesn't go down to the stop. When I open the bleeder it will.

I believe there is something messed up inside. Clutch coming apart wedging the pressure plate out, keeping the fingers retracted. Bad throwout fork. Or a bad throwout bearing, seems like I should hear that.

Am I crazy?

Tx Jim · Mar 18, 2015

Have you greased grease fitting(parts key 31) regularly? If pressure plate fingers were retracted that would allow clutch pedal to travel farther with less resistance.

onefarmer · Mar 18, 2015

Yes I have.

I did have it into the dealer two years ago for a internal leak that turned out to be in the hi/lo. So they was in there and I assume had that shaft and bearing out.

I don't suppose there is an inspection cover somewhere? Would be nice to take a peek without having to disassemble the thing.

Tx Jim · Mar 18, 2015

The round hole covered by the plug outlined in red is the only place to look inside clutch housing besides splitting tractor.

onefarmer · Mar 18, 2015

Found it, all nicely covered up by the SGB.

onefarmer · Mar 18, 2015

I think I found the problem. Some dummy put the slave cyl on behind the mount instead of in front. So the cyl didn't have enough travel. Good thing there is a snap ring in there or it would have blown out guts out the end.

A side note I am glad I messed up and went looking. There are two of those round covers and one is missing. Would make a nice place for a mouse to nest at in the winter. Got one ordered and then I can finish. "I hope"

2550 clutch

onefarmer

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Tx Jim

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onefarmer

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Dave Berg

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onefarmer

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