OEM HITACHI EX300-5 BOOM BUSHING 125.5 X 110 X 45 MM (OEM HI 4381855) | Tonkee®

HITACHI EX300-5 BOOM BUSHING 125.5 X 110 X 45 MM (OEM HI 4381855) | Tonkee®
The pressure switch is equipped with electrical contacts that are activated when pressure falls below or exceeds the set threshold. These contacts are crucial for transmitting signals to the equipment's control system.
In the event of low oil pressure, the pressure switch can trigger alarms, warning operators of the issue. In more critical situations, it can initiate automatic shutdown procedures to prevent engine damage.

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DESCRIPTION

HITACHI EX300-5 BOOM BUSHING, 125.5 X 110 X 45 MM (OEM HI 4381855) | Tonkee®

Measuring 125.5 x 110 x 45 millimeters, this bushing is designed to precise specifications to fit snugly within the boom assembly.

Its dimensions are crucial to maintaining the structural integrity of the boom and ensuring that it can effectively carry out its excavation tasks.

The primary purpose of the boom bushing is to provide a low-friction, wear-resistant interface between moving parts of the boom assembly. In particular, it acts as a bearing or sleeve between the boom and the pivot point, allowing for smooth articulation of the boom during operation. This reduces friction, minimizes heat buildup, and prevents premature wear on the boom and other associated components.

The choice of materials for this bushing is of utmost importance. It is typically made from high-strength, durable materials like steel or bronze. These materials are selected for their ability to withstand heavy loads, resist wear and tear, and maintain their integrity in harsh working environments such as construction sites.

Furthermore, the bushing is engineered to meet stringent quality and performance standards. It must endure rigorous testing to ensure it can withstand the stresses and strains encountered during excavator operation. This includes testing for load-bearing capacity, friction resistance, and durability under extreme conditions.

Proper lubrication is also essential for the longevity and efficient operation of the bushing.

Adequate lubrication reduces friction and heat generation, preventing premature wear and extending the lifespan of the bushing and the entire boom assembly.

The Hitachi OEM (Original Equipment Manufacturer) part number HI 4381855 signifies that this bushing is produced by Hitachi itself or a trusted supplier authorized by the company. Using OEM parts is crucial to maintaining the excavator's warranty, performance, and safety standards. It ensures that the part is designed specifically for compatibility with the Hitachi EX300-5 excavator, reducing the risk of compatibility issues and ensuring a seamless fit.

Regular maintenance and inspection of the boom bushing are essential to detect signs of wear or damage. If the bushing shows signs of excessive wear, scoring, or play, it should be replaced promptly to prevent further damage to the boom and associated components. Neglecting such maintenance can result in costly repairs and downtime.

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125.5 X 110 X 45 MM (OEM HI 4381855) | Tonkee® HITACHI EX300-5 BOOM BUSHING