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2940 Hi-Lo shifting problem


 
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Lynn Willison
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Joined: 17 Oct 2012
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PostPosted: Sat Nov 17, 2012 7:36 am    Post subject: 2940 Hi-Lo shifting problem Reply to specific post Reply with quote

Tractor was looked at by some students at a community college and now the hi lo shifter feels different than it did before and it pops out of high easily. Farmer says that the shifter used to have a very crisp feel to it with 2 detents. Now it feels crisp going into low but sluggish going into high and now the lever has to be moved a lot farther down to go into high than before. It works fine in high and low but it just feels different and now pops out of high. I have replaced the hi lo valve spring with the correct one and it didnt change anything. Any ideas?
 
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tim s
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Location: Somerset Ohio

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PostPosted: Sat Nov 17, 2012 9:33 am    Post subject: Re: 2940 Hi-Lo shifting problem Reply to specific post Reply with quote

The detent is all in the upper cover, if it was removed it's easy to let them "pop" out of place, pull the shift lever back off and see if there is a detent on "both" sides of the shift arm under the cover, my guess is one is out of place..and the spring is being distorted..
 
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Tx Jim
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PostPosted: Sat Nov 17, 2012 9:50 am    Post subject: Re: 2940 Hi-Lo shifting problem Reply to specific post Reply with quote

Maybe the the detent ball spring crumpled. Parts schematic is for open station tractor.

 


Last edited by Tx Jim on Sat Nov 17, 2012 9:53 am; edited 1 time in total
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Lynn Willison
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PostPosted: Sat Nov 17, 2012 2:44 pm    Post subject: Re: 2940 Hi-Lo shifting problem Reply to specific post Reply with quote

The detents that you are showing are for the Pto,
not the hi lo shifter.
 
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Lynn Willison
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PostPosted: Sat Nov 17, 2012 2:48 pm    Post subject: Re: 2940 Hi-Lo shifting problem Reply to specific post Reply with quote

If you look at a diagram of the lower cover, the detent is on the driver side of the cover. You must pull the detent out before the hi lo valve is pulled out or it will shoot into the valve body. The detents in the upper cover that contain both levers are only for the pto.
 
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Tx Jim
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Location: Coyote Flats,Tx

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PostPosted: Sun Nov 18, 2012 4:26 am    Post subject: Re: 2940 Hi-Lo shifting problem Reply to specific post Reply with quote

Thanks for correcting me. I saw the four #17 balls and hastily thought that they were for the detent balls both functions
 


Last edited by Tx Jim on Sun Nov 18, 2012 4:28 am; edited 1 time in total
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