OEM HITACHI EX100 120-5 ISUZU 4BG1 ENGINE COOLING RADIATOR FAN BLADE 55CM DIA | Tonkee®

Material and Construction:
The radiator fan blade for the Hitachi EX100-5 with the Isuzu 4BG1 engine is typically constructed from high-quality materials, such as durable plastics or reinforced composite materials.

These materials are chosen for their ability to withstand the harsh conditions of construction sites, including exposure to heat, dust, and moisture.

Size and Diameter:
As mentioned, the fan blade has a diameter of 55cm (centimeters). This size is carefully designed to efficiently move air through the radiator core, helping to dissipate the heat generated by the engine during operation. An appropriately sized fan blade ensures that the cooling system can effectively regulate the engine's temperature.

Blade Design:
The blades of the fan are engineered with specific angles and contours to maximize airflow. This design allows the fan to draw in cool air from the surroundings and direct it over the radiator, where it absorbs heat from the engine coolant. The fan blade's shape is optimized to achieve the highest cooling efficiency possible.

Mounting and Attachment:
The fan blade is securely attached to the fan clutch or fan motor, depending on the specific cooling system configuration of the Hitachi EX100-5.

Proper attachment is crucial to prevent wobbling or imbalance, which can lead to reduced cooling performance and premature wear of both the fan blade and the associated components.

Function and Importance:
The primary function of the radiator fan blade is to assist in cooling the engine. When the engine reaches a certain temperature, the fan blade is activated by the fan clutch or motor. It then starts to rotate, drawing air through the radiator fins. This airflow promotes the transfer of heat from the engine coolant to the surrounding air, preventing overheating and ensuring optimal engine performance.

Maintenance and Replacement:
Like all mechanical components, the radiator fan blade may require maintenance and eventually replacement over time. Regular inspections should be conducted to check for any signs of damage, wear, or imbalance. Damaged or worn fan blades should be promptly replaced to avoid cooling system inefficiencies that could lead to engine overheating and damage.

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