104504
Hexagon Head Cap Screw
Cummins®

Introduction

The Hexagon Head Cap Screw Part #104504 by Cummins is a specialized fastener designed for use in commercial trucks. Its primary function is to provide secure fastening in various truck components, ensuring structural integrity and reliable performance. This screw is commonly utilized in the assembly and maintenance of truck parts, contributing to the overall efficiency and safety of the vehicle.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. The design of the cap screw includes a threaded shaft that engages with internal threads in the material being fastened, creating a strong and secure connection. Cap screws are widely used in mechanical systems for their ability to provide robust fastening solutions in various applications ¹.

Purpose and Role in Truck Operation

This Cummins part plays a significant role in the operation of commercial trucks by securing critical components in place. It is used in the assembly of engine parts, chassis components, and other structural elements where high strength and durability are required. The screw ensures that parts remain firmly attached, which is vital for the safe and efficient operation of the truck.

Key Features

The 104504 features a hexagonal head design that facilitates easy installation and removal using standard tools. It is composed of high-quality materials, typically steel alloys, which provide excellent durability and resistance to wear and corrosion. The screw’s design includes a cap at the end of the threaded shaft, which covers the fastener and helps prevent debris from entering the threads, enhancing its functionality and longevity.

Benefits

Using the 104504 offers several benefits. Its durable material composition ensures long-lasting performance even under demanding conditions. The hexagonal head design allows for efficient tightening and loosening, reducing the risk of over-tightening or stripping. Additionally, the cap at the end of the screw protects the threads from contamination, which can prolong the screw’s lifespan and maintain its effectiveness over time.

Installation and Usage

Proper installation of the 104504 is crucial for ensuring a secure fastening solution. Recommended torque settings should be followed to avoid over-tightening, which can damage the screw or the material being fastened. Using the appropriate tools, such as a wrench or socket, ensures that the screw is tightened to the correct specification. Best practices include cleaning the threads and the mating surface before installation to prevent contamination and ensure a strong connection ².

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws include loosening over time due to vibration or thermal expansion. Regular inspection and re-tightening can help address this issue. If corrosion is detected, the affected screw should be replaced to maintain the integrity of the fastening. Proper maintenance, such as keeping the screw and surrounding area clean and free of debris, can prolong the lifespan of the screw and ensure continued reliable performance.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins is renowned for its expertise in diesel engines and related components. The company is committed to quality and innovation, providing reliable and high-performance solutions for the automotive industry. Cummins’ dedication to excellence is evident in its wide range of products, including the 104504, which is designed to meet the rigorous demands of commercial truck applications ³.

Role of Part 104504 in Engine Systems

In the intricate assembly of engine systems, the 104504 is instrumental in ensuring the secure fastening of various components. This screw is particularly significant in the context of managing vibrations and maintaining the structural integrity of the engine.

Damper Vibration

The damper vibration system is designed to absorb and reduce the vibrations generated by the engine. The 104504 is used to fasten the damper to the engine block, ensuring that it remains securely in place. This secure attachment is essential for the damper to effectively perform its function, thereby enhancing the overall stability and performance of the engine.

Front P.T.O. Crank P

In the front p.t.o. crank p system, the 104504 plays a role in attaching the crank to the p.t.o. (power take-off) mechanism. This connection is vital for the efficient transfer of power from the engine to the p.t.o., which is often used to drive auxiliary equipment. The screw ensures that the crank remains firmly attached, preventing any slippage or misalignment that could affect power transmission.

Front PTO Pulley

The front pto pulley is another component where the 104504 is utilized. This screw is employed to secure the pulley to the crankshaft, ensuring that it operates smoothly and efficiently. A secure attachment is necessary to maintain the pulley’s alignment and prevent any wobbling, which could lead to inefficient power transfer and increased wear on the system.

Mounting Damper and Pulley

When it comes to the mounting damper and pulley, the 104504 is used to fasten these components to the engine frame. This secure attachment is essential for the damper and pulley to function correctly, absorbing vibrations and ensuring smooth operation of the engine.

Rubber Vibration Damper

In the rubber vibration damper system, the 104504 is used to attach the damper to the engine. This secure fastening is crucial for the damper to effectively absorb vibrations, protecting other engine components from excessive movement and potential damage.

Vibration and Mounting Damper

The combination of vibration and mounting damper requires the 104504 to ensure that both components are securely attached to the engine. This secure attachment is vital for the dampers to perform their function of reducing vibrations and maintaining the engine’s structural integrity.

Vibration Damper

Finally, in the vibration damper system, the 104504 is used to fasten the damper to the engine. This secure attachment ensures that the damper can effectively absorb and reduce vibrations, contributing to the smooth and efficient operation of the engine.

Conclusion

The 104504 Hexagon Head Cap Screw by Cummins is a critical component in the assembly and maintenance of commercial trucks. Its robust design, durable materials, and secure fastening capabilities ensure the structural integrity and reliable performance of various truck components. Proper installation, regular maintenance, and timely replacement of this part are essential for the continued efficiency and safety of the vehicle.