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 | dawn
Join Date: Posts: 1 
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2002-09-10 42231
I have a 1500 yanmar the clutch quit working i tried to adjust the pedal but the rod that goes completly thu the trans grear box does't seem to be working... i can wiggle it around a bit with the pedal disconeceted and it seems to work some but when i hook the pedal back up and step on the pedal it goes to the floor and wont come back up any help will be greatly appercated!!
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 | Peters
Join Date: Feb 2002 Posts: 3034 Northern AL 
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2002-09-10 42248
How many hours are on the tractor? When the clutch plate material is worn out then the adjustment will be out.
The other possibility is that the clutch forks have become bent. This can happen if the clutch sticks and there is excessive force used to free it from the fly wheel. This is the greater probability if there are lower hours on the tractor. Either problem requires you to split the tractor and access the clutch.
Peters ....
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| TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley
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2002-09-11 42267
I don't know Yanmars, but a few tractors have access to the bell-housing. The clutch can be seen and minor work on a clutch can be done without splitting the tractor.
In absence of an access cover, about the only thing that can be done is to see if the pedal actually moves the linkage to where it enters the cases.
I'm with Peters that it sounds more like a broken pressure plate--forks or springs etc. It seems doubtful that adjustment alone could bring a pedal that is completely on the floor back to about 3/4" free-play at the top, which is a common adjustment spec. I’m curious if there is power to the wheels or not. I don’t suppose the question would make much difference if the tractor has to be split, but it would help indicate exactly what is broken. The entire clutch usually is replaced if a tractor is split, and there may be other repairs such as the shift rails that might also be good to do at the same time
However, I have heard of the linkage coming off the throw-out bearing on cars. That's something that could be fixed if there's access to the bell-housing.
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