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Hydraulic cylinder repair
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Tbone95 View Drop Down
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Joined: 31 Aug 2012
Location: Michigan
Points: 12016 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tbone95 Quote  Post ReplyReply Direct Link To This Post Topic: Hydraulic cylinder repair
    Posted: 20 Apr 2020 at 9:44am
Any tricks on holding the rod from turning while trying to unscrew the yoke from the end?  There is no flat, on either end of the rod.  When in the retracted position, it is almost completely inside the cylinder, so I don't want to mar the rod or it will tear up the seal.  (and I just resealed it!)
 
I thought about putting like a strip of inner tube or something on pipe wrench jaws....? 
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Acdiesel View Drop Down
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Joined: 15 Jun 2012
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Points: 2574 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Acdiesel Quote  Post ReplyReply Direct Link To This Post Posted: 20 Apr 2020 at 10:37am
I use my large bench vise with a 2x4 over each jaw and the cylinder rod in the middle.
It may need a little heat.

Dan
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Ray54 View Drop Down
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For replacement of seals I always leave that end alone and start on the inside end of the rod. But i am guessing your not planning on going that far ? So your on the right track. Maybe a rap of the inner tube and clamp it in a vice,and some heat if the vice is not enough.
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Tbone95 View Drop Down
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Points: 12016 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tbone95 Quote  Post ReplyReply Direct Link To This Post Posted: 20 Apr 2020 at 11:30am
Originally posted by Acdiesel Acdiesel wrote:

I use my large bench vise with a 2x4 over each jaw and the cylinder rod in the middle.
It may need a little heat.

Dan
That's a good idea.  10-4 on the heat.  Just don't want to nick the rod.
Originally posted by Ray54 Ray54 wrote:

For replacement of seals I always leave that end alone and start on the inside end of the rod. But i am guessing your not planning on going that far ? So your on the right track. Maybe a rap of the inner tube and clamp it in a vice,and some heat if the vice is not enough.
Ray, the seals have already been replaced.  As you said, didn't need to take the yoke off for that as I came at it from the other way.  Then after a couple days of use, the yoke broke and needs to come off.  (Technically, not a typical yoke, but I'm keeping the story simple)
 
Thanks guys.
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