What are Oil Seals, and How Do They Work?
Never use a used seal in another project as it may develop defects such as cracks or bubbles in the seal lip previously used.
If the gap is larger than 0.002 in. (0.05 mm) at any point, have the head or block checked and machined flat by a specialist.
Oil seals, also known as rotary shaft seals, are designed to prevent oil leaks in rotating machinery by sealing the gap between a rotating shaft and a stationary housing. Proper installation of oil seals is essential to ensure a leak-free performance, which in turn helps to extend the life of the machinery. In this article, we will go over the steps for installing oil seals correctly.
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OIL SEALS


Rubber materials, operational temperature ranges and their compatibility with fluids
The pulley may slide off easily; if not, use a universal puller, which you may be able to hire.