185804
Hexagon Head Cap Screw
Cummins®

The Cummins Hexagon Head Cap Screw, part number 185804, is a vital component in the realm of commercial trucks. Cummins, a renowned manufacturer in the industry, produces this screw to meet the demanding requirements of heavy-duty applications. This screw is integral to the assembly and maintenance of commercial trucks, ensuring secure fastening across various components.

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 standard tools such as wrenches or sockets. The screw’s design includes external threading that engages with internal threads in the mating part, providing a strong and secure connection. This type of screw is commonly used in applications requiring high strength and resistance to loosening ¹.

Purpose of the 185804 Hexagon Head Cap Screw in Truck Operation

This Cummins part plays a significant role in the assembly and maintenance of commercial trucks. It is utilized in various truck components, including engine mounts, chassis assemblies, and body panels. By providing a reliable fastening solution, this screw helps maintain the structural integrity and operational efficiency of the truck ².

Key Features of the 185804 Hexagon Head Cap Screw

The 185804 Hexagon Head Cap Screw is designed with several key features that make it suitable for heavy-duty applications. Its hexagonal head shape allows for easy engagement with tools, ensuring precise and efficient installation. The screw’s threading is designed to provide a strong grip, minimizing the risk of loosening over time. Additionally, the material properties of the screw, such as high tensile strength and corrosion resistance, ensure durability in demanding environments ³.

Benefits of Using the 185804 Hexagon Head Cap Screw

This Cummins part offers several advantages for commercial truck applications. Its durability ensures long-term performance, reducing the need for frequent replacements. The screw’s resistance to loosening helps maintain secure fastenings, even under vibration and dynamic loads. Furthermore, its compatibility with standard tools simplifies installation and maintenance processes ⁴.

Installation Guidelines

Proper installation of the 185804 Hexagon Head Cap Screw is crucial for ensuring secure and effective fastening. Begin by selecting the appropriate size and type of screw for the application. Use a wrench or socket to tighten the screw gradually, avoiding over-tightening which can damage the threads or the mating part. Ensure that the screw is fully engaged and that the fastening is secure before completing the installation.

Troubleshooting Common Issues

Common issues with Hexagon Head Cap Screws include stripping and corrosion. Stripping can occur if the screw is over-tightened or if the mating part’s threads are damaged. To address this, use the correct tool size and apply even pressure during installation. Corrosion can be mitigated by selecting screws made from corrosion-resistant materials and by applying protective coatings where necessary. Regular inspection and maintenance can help identify and resolve these issues promptly.

Maintenance Tips

Regular inspection and maintenance of the 185804 Hexagon Head Cap Screw are important for prolonging its service life and ensuring continued reliable performance. Inspect screws periodically for signs of wear, corrosion, or loosening. Tighten screws as needed and replace any that show significant damage. Keeping the fastening areas clean and free of debris can also help maintain the integrity of the screws and their connections.

Cummins: A Brief 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 has established a strong reputation in the commercial truck industry for producing high-quality, reliable components. The company’s product range includes engines, powertrains, and aftermarket parts, all designed to meet the rigorous demands of heavy-duty applications.

Hexagon Head Cap Screw 185804 Compatibility with Cummins Engines

The Cummins Hexagon Head Cap Screw part number 185804 is a versatile component that can be integrated into a variety of Cummins engines. This screw is designed to provide a secure fastening solution, ensuring that engine components remain tightly secured under operational conditions.

Compatibility with Specific Engine Models

• GTA38 G CMEICS G116C
• K19, K38, K50
• KTA19GC
• L10 MECHANICAL
• N14 CELECT
• N14 MECHANICAL
• NH/NT 855
• QSK38 CM2150 MCRS
• QSK38 CM850 MCRS
• QSK45 CM500
• QSK50 CM2150 MCRS
• QSK50 CM2350 K108
• QSK60 CM500
• QSK60 CM850 MCRS
• QSK60G
• QSK78 CM500
• QSN14 CM876 N103
• QST30 CM2350 T101
• QST30 CM552
• V28
• V903

Grouping of Compatible Engines

The Hexagon Head Cap Screw 185804 is compatible with a broad range of Cummins engines, including:

• QSK Series: QSK38, QSK45, QSK50, QSK60, QSK78
• N14 Series: N14 CELECT, N14 MECHANICAL
• K Series: K19, K38, K50
• L10 Series: L10 MECHANICAL
• NH/NT Series: NH/NT 855
• QST Series: QST30
• QSN Series: QSN14
• V Series: V28, V903

This compatibility ensures that the screw can be used across different engine models, providing a standardized solution for securing various engine components.

Role of Part 185804 Hexagon Head Cap Screw in Various Engine Components

The part 185804 Hexagon Head Cap Screw is integral to the assembly and securement of numerous engine components, ensuring both stability and functionality. Here’s a detailed look at its applications:

Air Cleaner Systems

• Air Cleaner Bracket Mounting: This screw is used to fasten the air cleaner bracket, which supports the air cleaner assembly. Proper mounting ensures efficient airflow into the engine.
• Air Cleaner Mounting: Secures the air cleaner to the engine bay, maintaining a sealed system for optimal air filtration.

Compressor and Fuel Systems

• Air Compressor: Fastens components of the air compressor, ensuring it remains securely in place during operation.
• Compressor and Fuel Pump Mounting: Used in mounting brackets for both compressors and fuel pumps, providing necessary support and alignment.

Cooling and Drive Systems

• Fan Drive and Fan Drive Mounting: Essential for securing the fan drive mechanism, which is critical for engine cooling.
• Fan Idler and Fan Idler Assembly: These screws hold the fan idler in place, allowing for smooth operation of the fan drive system.
• Idler Lever and Idler Pulley Assembly: Secures idler components, maintaining tension in the belt systems and ensuring efficient operation of auxiliary components.

Exhaust and Support Structures

• Exhaust Brace Mounting: Used in the mounting of exhaust braces, providing structural integrity to the exhaust system.
• Water Pump Mounting and Sea Support: Fastens the water pump to its mounting bracket and supports, ensuring reliable coolant circulation.

Electrical and Instrumentation

• Alternator Guard Arrangement: Secures the guard that protects the alternator, preventing damage from moving parts.
• Instrument and Gauges Box: Mounts the instrument and gauges box, ensuring it remains fixed and accessible.

Miscellaneous Mountings

• Bracket Air Cleaner Mounting: Additional support for air cleaner brackets, enhancing overall system stability.
• Gear Cover Mounting: Secures the gear cover, protecting internal components from contaminants.
• Heat Exchanger: Used in the assembly of heat exchangers, ensuring they are firmly mounted for efficient heat transfer.
• Pivot Arm Assembly: Fastens pivot arms, which are crucial for the movement and operation of various engine components.
• Rear Drive Adapter: Secures the rear drive adapter, ensuring proper connection and function of the drive system.
• Turbocharger Kit: Used in the assembly of turbocharger components, maintaining their alignment and operational integrity.
• American Bosch Gov. and Pan: Secures components of the American Bosch governor and pan, ensuring they function correctly within the engine system.
• Performance Parts: Various performance parts often require this screw for secure mounting, enhancing both performance and durability.

This screw’s versatility and reliability make it a staple in the assembly and maintenance of these engine components, contributing to the overall efficiency and longevity of the engine system.

Conclusion

The Cummins Hexagon Head Cap Screw, part number 185804, is a critical component in the assembly and maintenance of commercial trucks and various Cummins engines. Its robust design, compatibility with a wide range of engine models, and versatile applications across different engine components make it an indispensable part in ensuring the structural integrity and operational efficiency of heavy-duty vehicles.