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Massey Ferguson 50 How to change Gear Fork

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rrocky
Join Date: Nov 2008
Posts: 2 granby ct
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2008-11-18          157988

Hellow,I need to change my 2nd and 3rd gear shift fork. Can I do this without splitting the tractor? Possibly by removing the cover under the seat. Thanks all!

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Massey Ferguson 50 How to change Gear Fork

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candoarms
Join Date: Mar 2007
Posts: 1932 North Dakota
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2008-11-19          157995

Rrocky,

I'm not sure about your particular transmission, but in most cases the forks can be replaced without splitting the tractor.

The shift rails and forks should be completely contained within the top cover housing assembly. When you remove the top cover, the forks (or what's left of them) should come out with it.

It will be quite a job to find and remove the loose or broken fork parts, without first draining and flushing the transmission housing.


Joel ....

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Massey Ferguson 50 How to change Gear Fork

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candoarms
Join Date: Mar 2007
Posts: 1932 North Dakota
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2008-11-19          157997

Rrocky,

I found a generic picture of a the inner workings of a manual transmission. This one happens to be used in Chevy trucks, but most manual transmissions are generally built using the same principles.

Please note that parts 87-121 are all contained in the upper cover assembly. The entire top right assembly comes out in one piece. The forks can then be removed from the cover assembly on the workbench, and then be re-attached to the transmission. The forks simply slip over the shift collars on the main shaft during re-assembly.

I doubt that your transmission is much different than this one, other than the fact that you don't have the externally mounted 5th gear assembly.

See the link below for a general understanding of the inner workings of a manual transmission.

Joel

....


Link:   NV4500 Manual Transmission Exploded View

 
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Massey Ferguson 50 How to change Gear Fork

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shona13
Join Date: Mar 2012
Posts: 32 Western Australia
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2013-06-18          187379

Hi.
The transmission has to be removed to replace selector forks.
Hutch. ....

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