OEM HITACHI EX100 120-1 TRAVEL DEVICE FINAL DRIVE PLATE THRUST SPACER (OEM HI 4178208) | Tonkee®

The OEM HI 4178208 thrust spacer is a critical component of the travel device final drive assembly in the Hitachi EX100-1 and EX120-1 excavators.

Its primary function is to provide a critical gap or clearance between various parts within the final drive assembly. This precise spacing is essential for ensuring the smooth and efficient operation of the final drive, which is responsible for propelling the excavator and controlling its movement.

One of the key specifications of this thrust spacer is its material composition. Typically, these spacers are made from high-quality, durable materials such as steel or alloy steel. This choice of material ensures that the spacer can withstand the extreme stresses and forces it will encounter during the operation of the excavator. The durability of the spacer is crucial for maintaining the longevity of the final drive assembly.

Additionally, the dimensions of the thrust spacer are meticulously engineered to exact specifications. These dimensions include the outer diameter, inner diameter, and thickness of the spacer. The precise measurements are critical to maintaining the proper clearances and tolerances within the final drive assembly. Any deviation from these specifications could lead to premature wear and failure of the final drive components, resulting in costly repairs and downtime.

The installation of the OEM HI 4178208 thrust spacer requires careful attention to detail.

It is typically positioned between other components within the final drive assembly, ensuring that the specified clearances are maintained. Proper installation is essential to prevent any misalignment or excessive wear between moving parts, which could result in decreased performance and potential damage to the final drive.

Regular maintenance and inspection of the thrust spacer are essential to ensure the continued efficient operation of the final drive. Over time, factors such as normal wear and tear, exposure to harsh operating conditions, and contaminants can affect the performance of the spacer. Regular inspections allow for the early detection of any issues, enabling timely replacement or maintenance to prevent more significant problems down the line.

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