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2640 Steering box

2000 Views 3 Replies 3 Participants Last post by  Iowa River Rat
I recently picked up a 2640 for use around my acreage. The steering has excessive play so I'm putting out some feelers to learn what options I might have to tighten it up. It would be useable as-is but annoying. I've noticed that the steering wheel shaft moves up & down a bit as it is turned indicating what is probably a very worn worm gear on the end of it.

Is there a rebuild kit for these or what would you suggest to deal with this? I have searched the web just a bit and, per one comment I saw, there is no adjustment.

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JD utility tractors built from '65- late 80's power steering valve housings are designed for steering wheel/shaft to move up/down a little as this up/down movement actuates the 2 control valve bodies inside the housing. I suggest to remove inspection cap on LH side of clutch housing below steering valve & be sure bolt is tight. Another common location for steering slack is worn-out needle brgs from lack of grease on bellcrank in center of frt axle.
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