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How to replace the oil seal for the manual hydraulic stacker?

Source: 2019-09-30

Remove the hydraulic cylinder, pull out the piston cylinder, then you will see the oil seal inside, take out old oil seal with a screwdriver. The key point is to put new oil seal in, technical job, you can put new oil seal in directly in summer, but the weather is very cold in winter which make oil seal stiff, need to bake oil seal first, then hurry up to sharpen it in a little bit with a screwdriver. Once done, feel the smoothness by hand, after confirming the correctness, put the hydraulic cylinder back as originally.


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