fire rated ceiling access hatch
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Figure 5: JTEKT seal numbering system
Table 6: Codes and numbers used in seal numbers
Metal O.D. wall
(with a reinforcing inner metal case)
On most cars you need to remove several parts to get at the seal.
Table 5: The major special seals, their shapes, and their features
The basic principle of sealing is straightforward – the flexible lip is held against the rotating part (usually the shaft) whilst the casing (or O.D.) is pressed into the housing or bore and holds the seal in place. The sealing lip needs some form of lubrication to avoid overheating and is usually energized by means of a garter spring.
See here for more information and useful fitting tips.
The valve cover gasket plays a critical role in maintaining the integrity of the engine by preventing oil leaks and maintaining proper lubrication. It ensures that the engine remains free from oil leaks, contributing to its overall efficiency and reliability. A high-quality valve cover gasket is essential for preserving the proper functioning of the engine and protecting it from potential damage due to oil leakage.