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Lift off the cloth, making sure no debris falls into the valve gear.
Prepping for Oil Seal Installation
Standard 3760/3761
Shaft Hardness
Entry of dust and debris is one of the most common reasons oil seals fail. For instance, in high-pressure applications, even the smallest sediments can create a gap in the seal, causing the oil to leak and dirt to get in.
There are a wide range of oil seals to select from for any number of uses, so this guide will break down the most common seals to help you choose the right one for whatever piece of machinery you are working on.
Double metal cased

mechanical oil seal. This design helps to prevent oil leakage by trapping oil within the seal and redirecting it back into the system. Labyrinth seals are commonly used in high-speed applications where traditional lip seals may fail.