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John Deere Tractors Discussion Forum

Re: power steering arm travel 630 JD ?

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wore out

05-11-2020 21:32:41

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Are you having problems with the power steering?

To answer you question, the valve doesn't need to be moved much to do it's job, but I don't have an actual measurement/number for you.
When the actuating "helix" gets worn, chipped, or damaged that affects valve actuating "travel" and how the steering works, that's for sure.

I don't see any "travel spec" in the Two Cylinder Power Steering Manual, either

Here's what it DOES say:


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05-12-2020 10:15:27

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 Re: power steering arm travel 630 JD ? in reply to wore out, 05-11-2020 21:32:41  
Thank you both for the help . Seems so small amount . Did nt want to go farther without asking someone . Makes quite a leaning job . I do hve the 630 manual,the 2050 manual and 630 parts book .Still a chalenge and someone with hands on experience still a big help . Thanks

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rich duane

05-12-2020 06:17:45

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 Re: power steering arm travel 630 JD ? in reply to wore out, 05-11-2020 21:32:41  
The valve arm full movement is about .020 either way. Most of the problem is the worm bearings are out of adjustment not allowing the valve enough movement. If you have the JD SM 2050 Two Cylinder Power Steering Manual it will instruct you on correcting this problem.

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