Is it necessary to deglaze the cylinder tube and how do you do it?
While it’s not always necessary, it’s usually a good idea. After long periods in service, the internal surface of cylinder tubes can actually become too smooth. As a result, the replacement seals may leak.
Deglazing/deburring also removes spot rust and other minor surface imperfections – which is essential for optimum seal life.
The tool that’s most often used for this job is a Flex-Hone. The correct technique for using one is shown in the video “How to Use a Flex-Hone”:
If your going to try to repair your hydraulic cylinders, it’s well worth three minutes of your time.