3617959
Lock Washer
Cummins®

The Cummins 3617959 Lock Washer is a specialized component designed to enhance fastening systems in commercial trucks. Its purpose is to provide additional security to bolted connections, ensuring they remain tight under various operational conditions. This lock washer is significant in commercial truck maintenance as it helps prevent the loosening of bolts, which can lead to mechanical failures and safety hazards.

Basic Concepts of Lock Washers

Lock washers are mechanical devices used in conjunction with bolts and nuts to prevent fastening systems from loosening. They operate by introducing tension or deformation to the components they are paired with, thereby increasing friction and resistance to movement. This mechanism is essential in environments where vibrations and dynamic loads are common, such as in commercial truck operations ¹.

Purpose of the Cummins 3617959 Lock Washer

The Cummins 3617959 Lock Washer plays a specific role in the operation and maintenance of commercial trucks by securing bolted connections in critical areas. It is typically used in assemblies where vibrations and dynamic loads could cause standard washers to fail. This lock washer ensures that connections remain tight, reducing the risk of mechanical failures and enhancing the overall reliability of the truck ².

Key Features

The Cummins 3617959 Lock Washer is distinguished by several key features. It is made from high-strength materials, ensuring durability under demanding conditions. Its design includes specialized serrations or splits that create additional friction when tightened, enhancing its locking capabilities. These unique attributes contribute to its performance, making it a reliable component in commercial truck applications ³.

Benefits of Using Lock Washers

Lock washers offer several advantages in fastening systems. They increase the security of bolted connections, reducing the likelihood of loosening due to vibrations or dynamic loads. The Cummins 3617959 model, in particular, contributes to the reliability, durability, and efficiency of truck operations by ensuring that critical components remain securely fastened. This enhances safety and reduces the need for frequent maintenance interventions ⁴.

Installation Guidelines

Proper installation of the Cummins 3617959 Lock Washer is vital for its effectiveness. Begin by ensuring the mating surfaces are clean and free of debris. Place the lock washer under the bolt head or nut, aligning it correctly with the serrations or splits facing the direction of tightening. Tighten the bolt or nut to the specified torque, ensuring even pressure is applied. Avoid over-tightening, as this can damage the lock washer and reduce its effectiveness.

Troubleshooting and Maintenance

Identifying issues related to lock washers involves checking for signs of wear, deformation, or improper installation. Common problems include loosened connections or damaged washers. Regular maintenance practices, such as periodic inspections and replacements when necessary, ensure the longevity and optimal performance of the lock washers. Proper torque settings and clean mating surfaces are also important for maintaining their effectiveness.

Common Applications

The Cummins 3617959 Lock Washer is commonly employed in various truck components where secure fastening is critical. Examples include engine mounts, suspension systems, and chassis assemblies. Its versatility and importance across different truck components underscore its value in ensuring the reliability and safety of commercial vehicles.

Manufacturer Overview - Cummins

Cummins Inc. is a renowned manufacturer with a rich history in the commercial truck industry. The company offers a wide range of products, including engines, filtration systems, and aftermarket parts. Cummins components, such as the 3617959 Lock Washer, are trusted by professionals for their quality, reliability, and performance. The company’s reputation is built on a commitment to innovation, excellence, and customer satisfaction, making its products a preferred choice in the industry.

Lock Washer 3617959 Compatibility with Cummins Engines

The Lock Washer part number 3617959, manufactured by Cummins, is a critical component designed to ensure secure fastening in various engine applications. This part is engineered to fit seamlessly with a range of Cummins engines, providing stability and preventing loosening of bolts and screws during operation.

Compatible Engines

• B5.9 GAS PLUS CM556
• C GAS PLUS CM556
• C8.3 G
• ISB CM550
• ISB5.9G CM2180
• ISC CM554
• ISL CM554
• ISL G CM2180
• ISM CM570
• ISX CM570
• ISX CM870
• ISX12 G CM2180 EJ
• K50
• L GAS PLUS CM556
• L10 GAS
• L8.9G CMOH2.0 L125B
• M11 CELECT
• M11 CELECT PLUS
• N14 CELECT PLUS
• QSB3.9 30 CM550
• QSB5.9 30 CM550
• QSB5.9 44 CM550
• QSB5.9 CM850
• QSC8.3 CM554
• QSC8.3 CM850(CM2850)

Grouping of Compatible Engines

• CM550 Series: ISB CM550, QSB3.9 30 CM550, QSB5.9 30 CM550, QSB5.9 44 CM550
• CM554 Series: ISC CM554, ISL CM554, QSC8.3 CM554
• CM556 Series: B5.9 GAS PLUS CM556, C GAS PLUS CM556, L GAS PLUS CM556
• CM570 Series: ISM CM570, ISX CM570
• CM850 Series: QSB5.9 CM850, QSC8.3 CM850(CM2850)
• CM2180 Series: ISB5.9G CM2180, ISL G CM2180, ISX12 G CM2180 EJ
• CM870 Series: ISX CM870
• Others: B5.9 GAS PLUS CM556, C GAS PLUS CM556, C8.3 G, ISB CM550, ISC CM554, ISL CM554, ISM CM570, ISX CM570, ISX CM870, ISX12 G CM2180 EJ, K50, L GAS PLUS CM556, L10 GAS, L8.9G CMOH2.0 L125B, M11 CELECT, M11 CELECT PLUS, N14 CELECT PLUS, QSB3.9 30 CM550, QSB5.9 30 CM550, QSB5.9 44 CM550, QSB5.9 CM850, QSC8.3 CM554, QSC8.3 CM850(CM2850)

Role of Part 3617959 Lock Washer in Engine Systems

The part 3617959 Lock Washer is integral to maintaining the integrity and reliability of various engine systems. It is commonly used in conjunction with accessories, electrical components, and wiring systems to ensure secure connections and prevent loosening due to vibrations.

Accessories and Electrical Components

In accessories and electrical components, the Lock Washer is employed to secure connections between the wiring harness and the control panel. This is particularly important in the control panel wiring harness and the electronic control module harness, where stable electrical connections are paramount. The Lock Washer helps to maintain consistent electrical conductivity by preventing the wires from becoming loose.

Brace and Harness Assembly

Within the brace and harness assembly, the Lock Washer plays a significant role in securing the wiring brace to the engine control wiring harness. This ensures that the harness remains firmly in place, reducing the risk of wire fatigue or disconnection, which could lead to intermittent electrical issues.

Junction Box and Electronic Control Module

In the junction box and the electronic control module (ECM) wiring harness, the Lock Washer is used to secure critical connections. This is essential for the reliable operation of the ECM, as any loose connection could result in erroneous data being sent to or from the module, affecting engine performance.

Engine Control Module and Fuel Shutoff Valve

The Lock Washer is also utilized in the plumbing connections of the engine control module and the fuel shutoff valve. Here, it ensures that fittings remain tight, preventing leaks and maintaining the integrity of the fuel system. This is particularly important in high-vibration environments typical of engine compartments.

Wiring Harness and Kit

In the wiring harness and wiring harness kit, the Lock Washer is used to secure various connections, ensuring that the harness remains intact and functions as intended. This is vital for the overall reliability of the engine’s electrical system, as any loose connection could lead to system failures or reduced performance.

By integrating the part 3617959 Lock Washer into these engine systems, engineers and mechanics can ensure that connections remain secure, thereby enhancing the durability and performance of the engine.

Conclusion

The Cummins 3617959 Lock Washer is a critical component in the maintenance and operation of commercial trucks. Its role in securing bolted connections under dynamic conditions ensures the reliability and safety of truck operations. Proper installation and maintenance of this part are essential for its effectiveness, contributing to the overall performance and longevity of commercial vehicles.