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Garden Tractors Discussion Forum

Re: Gravely Tractor walk behind

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Farmall Bob

01-01-2013 06:56:51

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I am a person that likes to pull something apart, clean it, oil it, hone it, and put it back together. Problem is I an"t as smart as I think cause now my Gravely is stuck in high range. Can not snowthrow very well. "Oh, by the way". "Happy New Year" !!

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01-01-2013 17:58:27

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 Re: Gravely Tractor walk behind in reply to Farmall Bob, 01-01-2013 06:56:51  
L8's have that issue often, just due to the design of the shifter. The later 5000 series improved on it to (almost) eliminate the problem.

Here's my usual plan of battle:

1. Disconnect linkage behind the right tire. Should be two lock nuts(one on a stud and one on a bolt through the shift pin) and the angle pivot will come off. Jack up the tractor so both tires are off the ground.

2. Pull the bolt running through the shifting pin so the pin can rotate free-er. Get more of that penetrating oil and soak the whole thing, especially where the pin works through the axle housing. Work the pin in and out and back and forth and around. These things get gunked up and frozen in place too easily. Keep it oiled and shiny, and you won't have trouble.

3. The shifting linkage can be adjusted at the gas tank. Something I always try is to pull off the nut closest to you operating the tractor on the same eye bolt as the over center spring. That helps guarantee freedom of action.

4. As you tighten things back up, make sure the pivot behind the tire that actually pulls the pin in and out doesn't bind. You have two locknuts holding it; don't tighten beyond holding it from wiggling sideways. It will not come lose.

5. You also have the spring there behind the tire to adjust if you need it. I can't remember without seeing one which side of the shaft does which range. I think the spring closest to the operator dampens high?? The springs "balance" the pivot, so be careful not to adjust yourself out of a high range.

All of these things are "non invasive" attempts. If these don't do the job, there's a high probability of internal damage. 90% are out of adjustment.

I'll be curious to know what works for you!

Ben W. in VA

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Farmall Bob

01-02-2013 01:42:42

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 Re: Gravely Tractor walk behind in reply to SuperABen, 01-01-2013 17:58:27  
Yes, I got into it last night after supper. Couldn"t leave it alone. I made the adjustments to the book and they didn"t work so disassembled enough to see what was going on down there. Cleaned and lubricated real well worked it manually by hand enough to find out that there is wear in the bronze bushing. Had to place extra pressure on it with adjusting the linkage on the top spring. Have to leave it in that low range position. Thanks!

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