ERIKS type M (type B according to the DIN standard) has a single metal casing and rubber sealing lip. Since the casing is made of metal, it must be fitted in a well-finished, undamaged groove. Large volumes of oil seals with metal casings are often cheaper, which is why they are often used as original equipment in machines. However, if an oil seal has to be replaced, types with a rubber exterior (type R or RST) are easier to fit. Type MST is similar to M and commonly used. The difference is the dust lip in the MST oil seal that prevents dust and dirt reaching the sealing lip, and extends its service life in dusty environments.

What are oil seals?

The right valve cover gasket is a critical sealing component that ensures the proper sealing of the valve cover to the cylinder head. This gasket plays a pivotal role in preventing oil leaks and contaminants from entering the engine, contributing to the overall efficiency and reliability of the engine. Selecting the right valve cover gasket is essential for maintaining the integrity and performance of the engine.

Nitrile is the most widely used rubber (elastomer) and it’s recommended as the best for almost all standard applications. This is solely due to the fact that nitrile has some intrinsic properties, such as low cost and compatibility with most environments. Some of the general applications of nitrile are non-latex gloves, automotive transmission belts, footwear, gaskets, synthetic leather, hoses, o-rings, and oil seals.

-15 °C to + 180 °C

The black color of these spark plugs is a result of carbon buildup, which is a common issue that can occur over time due to normal engine wear and tear. This carbon buildup can negatively impact the performance of the spark plug, leading to misfires, rough idling, and poor fuel efficiency. It is important to regularly inspect and replace black spark plugs to ensure optimal engine performance.

The most common oil seals are the ERIKS types R, RST, M and MST, which correspond respectively to types A, AS, B and BS according to DIN 3760/ISO 6194.

Different Types Of Bearing Seals

On some engines, you need to remove one or both manifolds (See Exhaust manifold gasket replacement ) to reach the crankcase side cover.

Type C Oil seal

In conclusion, installing oil seals correctly is an important step in maintaining the performance and efficiency of rotating machinery. By following these steps, you can ensure that your oil seals are installed correctly and will provide a leak-free performance. If you have any questions or concerns about installing oil seals, consult with a professional or refer to the manufacturer's instructions. Proper installation of oil seals can help to extend the life of your machinery, reduce the risk of leaks, and ensure a safe and efficient operation.