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630 power steering question


 
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wheathead
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Joined: 07 Aug 2017
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PostPosted: Mon Jun 01, 2020 1:17 pm    Post subject: 630 power steering question Reply to specific post Reply with quote

have pedestal apart--one vane is scored on its facing--is it reuseable
or should it be replaced? rebuilding because of severe lower leak--operated ok otherwise
 
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Mike M
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PostPosted: Mon Jun 01, 2020 4:09 pm    Post subject: Re: 630 power steering question Reply to specific post Reply with quote

Not sure what you are asking about ? But I would certainly replace all rubber parts.
 
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wheathead
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PostPosted: Mon Jun 01, 2020 5:20 pm    Post subject: Re: 630 power steering question Reply to specific post Reply with quote

Steering vane #F1696R that holds vane seal has a slight groove
on the flat side--should I reuse or replace?
 
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andy r
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PostPosted: Mon Jun 01, 2020 8:07 pm    Post subject: Re: 630 power steering question Reply to specific post Reply with quote

My JD 730 is leaking at the pedestal. Will tear it apart this summer. I know you are not done, but how difficult of a repair is it? How much time do you have in the rebuild getting it torn down? Good luck.
 
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PJH
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PostPosted: Mon Jun 01, 2020 8:55 pm    Post subject: Re: 630 power steering question Reply to specific post Reply with quote

From my experience, you'll regret not replacing it while you have your hands on it.
 
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Dan in Ohio
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PostPosted: Tue Jun 02, 2020 2:57 am    Post subject: Re: 630 power steering question Reply to specific post Reply with quote

wheathead,

I believe this is the slight grove you are seeing. That is caused by hitting the stop peg seen in second photo many times over the last 65 years. I do not see how that would affect the operation of the unit, as Mike M said, replace all rubber seals with backing washers where needed. Seeing those vane seals makes my fingers hurt..........again.





 
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2cylinder
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PostPosted: Wed Jun 03, 2020 5:01 am    Post subject: Re: 630 power steering question Reply to specific post Reply with quote

Did my 60 this last winter due to a leak from the bottom. Took about 2 evenings from start to finish. Getting everything clean and the new vane seals onto the vane pistons are the worst. I soaked mine in 30WT and heated them up. I did it by myself but 2 people would be much easier.
 
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