Re: Rebuilding a IH cylinder

Posted by J.J. from Afton on April 26, 2007 at 20:35:24 from (71.215.250.5):

In Reply to: Rebuilding a IH cylinder posted by Randy as in Randy-IA on April 26, 2007 at 20:10:18:

I rebuilt the 3 1/2" lift cylinder on our 340 Utility. Taking it apart was real easy. After you take the 4 outside bolts off you can pull the two end caps off. Than you have to remove the nut on the bottom of the ram. All the O-rings, backup rings, and dust shield came together in a kit. If I remember correctly there were 6 or 7 orings, 6 or 7 backup rings and the dust shield. 2 of the O-rings were for the hydraulic pipe that runs between the end caps on our cylinder. The bad news is the kit cost like $45 from CaseIH.

When you put it back together you have to have assembly lube or hydraulic oil to make the parts slip back together alot easier, and prevent the O-rings from being chipped or spun around The hardest part was when you pull the cylinder end caps together you have to be real careful not to ruin the backup rings, oherwise you get to take it back apart and buy more rings for it.

I am not certain wether there was a torque spec or not but I want to say that there was and I think it was 90lbs.

Now as for the rust and pitting I am sure the cylinder will still work, When I saw the one on my grandpas IH snowblower I didn't think it would work, and it was really pitted because it had been left exposed to the elements for years and years. Well it doesn't leak and I never had to rebuild it.

Hope this helps ya.

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