OEM HITACHI EX120-2-3-5 KOBELCO 135 SERIES DIPPER RAM SEAL KIT 82MM CHROME | Tonkee®

The key feature of this seal kit is its 82mm chrome specification.

This refers to the size of the chrome-plated piston rod used in the hydraulic cylinder. The 82mm size is important because it ensures a proper fit and function within the specific excavator models, the Hitachi EX120-2-3-5 and the Kobelco 135 Series. Chrome plating on the piston rod enhances its durability and resistance to corrosion, which is crucial for a component exposed to the elements and hydraulic fluids.

Function:
The primary function of the dipper ram seal kit is to create a high-pressure seal within the hydraulic cylinder. Hydraulic cylinders are essential for the movement of the excavator's boom and bucket, and any leakage can lead to a loss of power and efficiency. The 82mm chrome seal kit achieves this by preventing hydraulic fluid from escaping and maintaining the pressure needed to drive the excavator's various hydraulic functions.

Components:
A typical dipper ram seal kit includes several components, such as piston seals, rod seals, wear rings, and o-rings. These components work together to provide a comprehensive sealing solution for the hydraulic cylinder. The piston seals and rod seals are particularly critical, as they directly interface with the piston rod and cylinder bore, respectively, to prevent fluid leakage.

Compatibility:
This seal kit is specifically designed for use with two excavator models, the Hitachi EX120-2-3-5 and the Kobelco 135 Series.

It is essential to ensure that the seal kit matches the equipment's specifications to guarantee a proper fit and reliable performance.

Maintenance and Replacement:
Like all hydraulic components, the dipper ram seal kit will eventually wear out due to the high-pressure and high-friction environment in which it operates. Regular maintenance is crucial to identify signs of wear and tear and replace the seal kit when necessary. Neglecting to do so can result in increased hydraulic fluid consumption, decreased performance, and potential damage to other hydraulic system components.

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