Re: Rebuilding hydraulic cylinders

Posted by T_Bone on March 30, 2005 at 20:27:07 from (4.240.42.70):

In Reply to: Rebuilding hydraulic cylinders posted by BobinOH on March 30, 2005 at 06:49:31:

Hi Bob,

Most cylinders can be rebuilt, about $50 in seals depending on cylinder size. Some cylinders are a odd ball size and will need replaced or cut your own new seals out of leather.

The main piston seals are called a Chevron seal and looks like this for a single acting; >>> with double acting looking like; <<< >>>.

I use a engine cylinder hone for bore clean up if needed. I use a piece of 1/2" rod to make a extension to reach the bottom of the bore then use a 1/2" drill motor.

Clean all parts very well, use a engine ring compressor to help the new seals past the bore threads or into the bore, and use plenty of oil on the seals before installing them into the bore!

T_Bone

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