3093736
Hexagon Head Cap Screw
Cummins®

The Hexagon Head Cap Screw is a fundamental component in the maintenance and assembly of commercial trucks. Its robust design and reliable performance make it indispensable in various fastening applications. Cummins, a renowned manufacturer in the commercial truck industry, produces the 3093736 Hexagon Head Cap Screw, which is engineered to meet the demanding requirements of heavy-duty truck operations.

Basic Concepts of Hexagon Head Cap Screw

A Hexagon Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient torque application using standard tools such as wrenches or sockets. The hexagonal shape provides a greater contact area compared to other head types, reducing the risk of cam-out and ensuring more consistent torque distribution. This design is particularly advantageous in high-stress environments where secure fastening is crucial ¹.

Purpose of the 3093736 Hexagon Head Cap Screw in Truck Operation

The 3093736 Hexagon Head Cap Screw plays a significant role in the assembly and maintenance of commercial trucks. It is commonly used in applications where strong, durable fastening is required, such as in engine components, chassis assemblies, and various structural parts. Its design ensures that critical components remain securely fastened, contributing to the overall reliability and safety of the truck ².

Key Features

The 3093736 Hexagon Head Cap Screw is crafted from high-quality materials, typically alloy steel, to ensure durability and strength. It features a coarse thread type, which provides excellent holding power and resistance to loosening under vibration. Additionally, the screw may be treated with special coatings or finishes to enhance corrosion resistance and improve performance in harsh operating conditions ³.

Benefits

Using the 3093736 Hexagon Head Cap Screw offers several advantages. Its design allows for improved load distribution, ensuring that the fastening force is evenly spread across the joint. The hexagonal head facilitates easy installation and removal, reducing the time and effort required during maintenance procedures. Moreover, the screw’s resistance to loosening under dynamic conditions helps maintain secure fastening over the long term ⁴.

Installation Guidelines

Proper installation of the 3093736 Hexagon Head Cap Screw is vital to ensure optimal performance. The following guidelines should be observed:

1. Clean the mating surfaces to remove any debris or contaminants.
2. Use the appropriate wrench or socket to apply torque gradually and evenly.
3. Adhere to the specified torque values to avoid over-tightening or under-tightening, which can compromise the fastening integrity.
4. Periodically check the fastening to ensure it remains secure, especially in applications subject to frequent vibration or dynamic loads.

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws include loosening due to vibration, corrosion, and wear. To address these problems:

1. Regularly inspect screws for signs of corrosion or damage.
2. Replace screws that show signs of wear or have loosened.
3. Apply anti-seize compound to the threads during installation to prevent corrosion and facilitate easier removal in the future.
4. Ensure that all mating surfaces are clean and free of contaminants to promote a secure fastening.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history dating back to 1919, Cummins has established a strong reputation for quality, reliability, and innovation in the commercial truck industry. The company’s extensive product range includes engines, powertrains, and aftermarket parts, all designed to meet the rigorous demands of heavy-duty applications. Cummins’ commitment to excellence is reflected in its high-quality components, such as the 3093736 Hexagon Head Cap Screw, which are engineered to deliver superior performance and durability.

Hexagon Head Cap Screw 3093736 in Cummins Engines

The Cummins part number 3093736, a Hexagon Head Cap Screw, is a critical component in several Cummins engine models. This screw is integral to the assembly and maintenance of these engines, ensuring secure fastening of various parts.

QST30 Series

The Hexagon Head Cap Screw 3093736 is used in the QST30 CM2350 T101 and QST30 CM552 engines. These engines are part of the QST30 series, known for their reliability and performance in various applications. The screw is essential in securing components within the engine’s framework, ensuring structural integrity and operational efficiency.

QSV91 Series

In the QSV91-G4 CM558/CM700 V102 engine, the 3093736 screw plays a vital role in maintaining the engine’s assembly. This engine is part of the QSV91 series, which is designed for heavy-duty applications. The screw’s robust design ensures that it can withstand the high stresses and operational demands of these engines.

QSV91G

The QSV91G engine also utilizes the Hexagon Head Cap Screw 3093736. This engine is known for its durability and efficiency, and the screw is a key component in its assembly. Its use in this engine ensures that all parts are securely fastened, contributing to the engine’s overall performance and longevity.

Each of these engines benefits from the precision and reliability of the 3093736 screw, which is designed to meet the stringent requirements of Cummins’ high-performance engines.

Role of Part 3093736 Hexagon Head Cap Screw in Engine Systems

The part 3093736 Hexagon Head Cap Screw is integral to the assembly and functionality of various engine components. It secures the bypass valve, ensuring it operates within specified parameters by maintaining the valve’s structural integrity under varying pressure conditions.

In the control bracket, this screw plays a part in stabilizing the electronic control module, which is essential for precise engine management. Its application in the cooler component ensures that the engine oil maintains optimal temperature, contributing to the longevity and efficiency of the engine.

The screw is also utilized in the electronic control module bracket, where it secures the module, allowing for accurate engine control and monitoring. In the fuel plumbing system, it helps in maintaining the integrity of connections, ensuring a consistent fuel supply to the engine.

Furthermore, the part 3093736 is employed in the fuel control module, where it ensures the module remains firmly in place, facilitating accurate fuel delivery. Its use in the turbocharger support structure is vital for withstanding the high-stress environment of turbocharger operation.

In the water pump assembly, the screw ensures that the pump components are held together securely, allowing for efficient coolant circulation throughout the engine. Lastly, in the rear engine support, it contributes to the overall structural stability of the engine, absorbing vibrations and stresses generated during operation.

Conclusion

The 3093736 Hexagon Head Cap Screw is a critical component in the assembly and maintenance of commercial trucks and Cummins engines. Its robust design, reliable performance, and key role in securing various engine components make it indispensable in heavy-duty applications. Proper installation and maintenance of this part ensure the longevity and efficiency of the engine systems it supports.