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| Nice looking 3010. Reverse is synchronized on the top shaft on that tractor. The transmisson linkage is easily visable on the right side under the platform cause of no battery on a gas tractor there. Top external lever moves a cam inside that moves forks inside that change synchronizer positions. The cam is machined for a detent that holds it in position after it has been moved by the shift lever. The large hex plug (top one) can be removed to acess the detent. Remove spring and detent, look and see if detent lines up with hole in casting when shifter lever is in reverse position in dash. If you can pull the shaft in and out it helps to remove that end play which will increase pressure on the detent. Also the original design detents were pointed on the end and later were changed to a ball and socket design that hold the cam better and wear less. If this all checks out externally, then likely syncro wear inside is problem. | |
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JD 3010 shifting question
