3011715
Captive Washer Cap Screw
Cummins®

Introduction

The Cummins 3011715 Captive Washer Cap Screw is a specialized fastener designed for use in commercial trucks. It secures various components within the truck’s engine and chassis systems, ensuring stability and reliability under demanding operational conditions. This screw is integral to maintaining the structural integrity and performance of commercial vehicles.

Basic Concepts of Captive Washer Cap Screws

Captive washer cap screws are fasteners that incorporate a washer directly into the screw design. This integration ensures that the washer remains in place during installation, reducing the risk of loss and simplifying the fastening process. These screws are commonly used in mechanical assemblies where consistent torque and secure fastening are required. The captive washer design enhances the screw’s ability to distribute load evenly, minimizing stress on the fastened components ¹.

Purpose of the Cummins 3011715 Captive Washer Cap Screw

The Cummins 3011715 Captive Washer Cap Screw provides a reliable fastening solution for critical components in commercial trucks. It is designed to withstand the vibrations and stresses encountered in heavy-duty applications, ensuring that parts remain securely attached. This screw is particularly useful in applications where frequent disassembly and reassembly are necessary, as it streamlines the process and reduces the likelihood of washer loss ².

Key Features

The Cummins 3011715 Captive Washer Cap Screw features a robust design that includes a hex-head for easy installation using standard tools. It is constructed from high-strength materials to ensure durability and resistance to corrosion. The integrated washer is designed to provide a uniform distribution of clamping force, enhancing the screw’s performance. Additionally, the screw’s threading is precision-machined to ensure a secure fit and optimal torque application ³.

Benefits

Using the Cummins 3011715 Captive Washer Cap Screw offers several advantages. Its design enhances reliability by ensuring that the washer remains in place, which is particularly beneficial in applications where washer loss could lead to fastening failure. The ease of installation reduces maintenance time and labor costs. Furthermore, the screw’s high-strength material and corrosion resistance contribute to its longevity, making it a cost-effective solution for commercial truck applications.

Installation Process

Installing the Cummins 3011715 Captive Washer Cap Screw involves several steps to ensure proper fastening. Begin by aligning the screw with the designated hole in the component. Use a torque wrench to tighten the screw to the manufacturer’s specified torque setting, ensuring even clamping force. It is important to avoid over-tightening, which can damage the screw or the fastened components. Regular inspection and maintenance will help ensure the screw remains secure and functional.

Common Applications

The Cummins 3011715 Captive Washer Cap Screw is typically used in various commercial truck systems, including engine mounts, chassis components, and body panels. Its versatile design makes it suitable for a wide range of fastening applications where reliability and ease of installation are paramount.

Troubleshooting and Maintenance

To maintain the Cummins 3011715 Captive Washer Cap Screw, regular inspections should be conducted to check for signs of wear, corrosion, or loosening. If the screw shows signs of damage or if fastening integrity is compromised, it should be replaced promptly to prevent further issues. Proper torque settings during installation and reinstallation are crucial to ensure the screw’s performance and longevity.

Manufacturer Overview - Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions technologies. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and technical expertise make it a trusted partner for commercial vehicle manufacturers and fleet operators.

Cummins Engine Part 3011715: Captive Washer Cap Screw

The Cummins part number 3011715, a Captive Washer Cap Screw, is a critical component in the assembly and maintenance of various Cummins engines. This part is designed to secure different parts within the engine, ensuring stability and proper function. Below is a detailed description of how this Cummins part integrates with various Cummins engines:

4B3.9, 6B5.9, 6C8.3, B5.9 G, C GAS PLUS CM556, C8.3 G, G855, G855 CM558

The Captive Washer Cap Screw 3011715 is utilized in the assembly of these engines to secure various components, including the cylinder head, valve covers, and other critical parts. Its design ensures that these parts remain tightly fastened, preventing any movement that could lead to engine failure.

GTA38 G CMEICS G116C, GTA855 CM558 (CM2358) G101

In the GTA38 G CMEICS G116C and GTA855 CM558 engines, the Captive Washer Cap Screw 3011715 plays a vital role in securing the turbocharger components. This ensures that the turbocharger operates smoothly and efficiently, contributing to the overall performance of the engine.

ISB CM550, ISC CM554, ISL CM554, ISM CM570, ISX CM570

For the ISB CM550, ISC CM554, ISL CM554, ISM CM570, and ISX CM570 engines, this part is used to secure the engine block and various internal components. Its design provides a reliable fastening solution, ensuring that the engine operates at peak efficiency.

K19, K38, K50

In the K19, K38, and K50 engines, the Captive Washer Cap Screw 3011715 is used to secure the fuel injection system and other critical components. This ensures that the fuel system operates correctly, contributing to the engine’s overall performance and reliability.

KTA19GC, KTA19GC CM558, KTA38GC CM558

For the KTA19GC, KTA19GC CM558, and KTA38GC CM558 engines, this part is used to secure the engine’s exhaust system and other critical components. Its design ensures that these parts remain tightly fastened, preventing any movement that could lead to engine failure.

L10 CELECT, L10 GAS, L10 MECHANICAL

In the L10 CELECT, L10 GAS, and L10 MECHANICAL engines, the Captive Washer Cap Screw 3011715 is used to secure the engine’s electrical system and other critical components. Its design ensures that these parts remain tightly fastened, contributing to the engine’s overall performance and reliability.

M11 CELECT

For the M11 CELECT engine, the Captive Washer Cap Screw 3011715 is used to secure the engine’s electrical system and other critical components. Its design ensures that these parts remain tightly fastened, contributing to the engine’s overall performance and reliability.

Role of Part 3011715 Captive Washer Cap Screw in Engine Systems

The part 3011715 Captive Washer Cap Screw is integral to the secure assembly and operation of various engine components. It ensures that parts remain firmly in place, thereby contributing to the overall efficiency and reliability of the engine system.

In the air intake connection, this screw helps to maintain a tight seal, preventing air leaks that could affect engine performance. Similarly, for the air manifold cover, it ensures that the cover is securely fastened, protecting the manifold from external contaminants.

Within the auxiliary cooling plumbing, the screw plays a role in securing fittings and connections, ensuring that the cooling system operates without leaks. For the camshaft and gear, it is used to secure the gear in place, ensuring smooth and consistent operation of the camshaft.

The corrosion resistor mounting benefits from the screw by providing a secure attachment point, protecting critical engine components from corrosion. In the damper shield, it ensures that the shield is properly positioned to absorb vibrations and reduce noise.

For the drive arrangement, the screw is used to secure components, ensuring that power is transmitted efficiently. In the EBM (Engine Bay Module) filter and bypass, it helps to maintain the integrity of the filtration system, ensuring clean air intake.

The EBM location turbo and freon compressor both utilize the screw to secure components, ensuring that these systems operate under the correct pressure and temperature conditions. In the fuel drain plumbing and fuel filter bracket, it ensures that fuel systems are leak-free and securely mounted.

The idler pulley relies on the screw to maintain tension in the belt system, ensuring smooth operation of ancillary components. For the lubricating oil hose and lubricating oil suction hose, it secures connections, preventing oil leaks and ensuring consistent lubrication.

In the lubricating pump plumbing and lubricating suction hose, the screw ensures that all connections are tight, maintaining the integrity of the lubrication system. For the oil cooler water plumbing, it secures the plumbing, ensuring efficient heat exchange.

The oil fill arrangement and oil pan use the screw to ensure that all components are securely attached, preventing oil spills and maintaining system pressure. In the short block assembly - K50 and standard-50 with brake turbocharger, it ensures that all parts are firmly in place, contributing to the engine’s structural integrity.

For the standard 50 turbocharger, the screw secures turbocharger components, ensuring optimal performance. In the sump lubricating oil pump and water inlet, it ensures that all connections are secure, maintaining the efficiency of these systems.

Conclusion

The Cummins 3011715 Captive Washer Cap Screw is a vital component in the maintenance and operation of commercial trucks and various Cummins engines. Its robust design, ease of installation, and reliable performance make it an essential part for ensuring the structural integrity and efficiency of engine systems. Regular maintenance and proper installation are key to maximizing the benefits of this part.