China HITACHI EX300-3 OIL SEAL 82.5 X 59.5 X 12 MM (OEM HI 423070) | Tonkee®

The oil seal has a specific size of 82.5 x 59.5 x 12 mm, which is crucial for a snug fit and optimal sealing performance.

These measurements represent the inner diameter, outer diameter, and thickness of the seal, respectively. The precise sizing ensures that it fits perfectly within the designated space in the Hitachi EX300-3 excavator, preventing any potential leaks or contamination of the system.

Materials and Construction:
Oil seals are typically made from high-quality materials to withstand the harsh conditions and demands of heavy machinery. The OEM HI 423070 seal is likely composed of materials such as rubber or elastomers, reinforced with a metal or fabric casing to enhance its durability and resistance to wear and tear. The choice of materials is critical to ensure that the seal can handle the pressure, temperature, and chemical exposure it may encounter during its service life.

Applications:
The primary function of the Hitachi EX300-3 oil seal is to provide a barrier against the escape of oil or other lubricants from the machine's components. This seal is commonly used in the excavator's hydraulic system, engine, gearbox, and various other parts where fluids need to be contained. By preventing leaks, the seal helps maintain the proper functioning of these components, extending their lifespan and reducing the risk of damage or failure.

Importance in Machinery Maintenance:
Oil seals are vital for the longevity and efficiency of heavy machinery like the Hitachi EX300-3 excavator.

They help in preventing oil leakage, which can lead to increased wear and tear, reduced lubrication, and potential equipment breakdowns. Regular maintenance and replacement of worn-out seals are crucial to ensure the equipment's reliability and productivity.

Compatibility and OEM Specification:
The designation "OEM HI 423070" indicates that this oil seal is an Original Equipment Manufacturer (OEM) part designed specifically for use in Hitachi machinery. This ensures compatibility and reliability, as it meets the manufacturer's specifications and quality standards. When replacing parts in heavy machinery, using OEM components is recommended to maintain performance and warranty coverage.

Installation and Maintenance:
Proper installation and maintenance are essential for the effective functioning of the oil seal. During installation, it's crucial to ensure that the seal is correctly positioned, and any mating surfaces are clean and free from debris. Regular inspection and replacement of seals as part of routine maintenance procedures are also important to prevent unexpected breakdowns and ensure the equipment's longevity.

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