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    1. Preparation Park the excavator on a flat surface and ensure it is turned off and secure. Use chalk or wedges to block the tracks to prevent movement.


    The design and construction of hub oil seals are critical to their performance and longevity
    hub
    hub oil seal. These seals must be able to withstand high temperatures, pressure, and friction, without deforming or losing their sealing capabilities. Most hub oil seals are made from synthetic rubber or elastomers that have excellent resistance to oil, heat, and wear. Additionally, they are often reinforced with metal or fabric components to provide additional strength and stability.