3289697
V Ribbed Belt
Cummins®

Introduction

The Cummins 3289697 V-Ribbed Belt is a vital component in commercial trucks, facilitating the transfer of power from the engine to various accessories. Understanding its function and importance is key to maintaining the efficiency and reliability of truck operations.

Basic Concepts of V-Ribbed Belts

V-Ribbed Belts, characterized by their trapezoidal cross-section, fit into corresponding grooves on pulleys, enhancing grip and reducing slippage. This design makes them efficient for transmitting power in the drivetrain of a truck. They offer greater durability and can drive multiple accessories simultaneously, unlike flat belts. V-Ribbed Belts differ from timing belts, which synchronize the rotation of the crankshaft and camshaft ¹.

Purpose of the 3289697 V-Ribbed Belt

The Cummins 3289697 V-Ribbed Belt is integral to the operation of a truck’s engine. It drives various engine accessories such as the alternator, water pump, and air conditioning compressor, contributing to the overall functionality and performance of the truck.

Key Features

This Cummins part is constructed from high-quality materials that enhance its performance and durability. Its design includes multiple ribs that increase the contact surface area with pulleys, improving power transmission efficiency. The belt is engineered to withstand the demanding conditions of commercial truck operations, providing reliable service over extended periods.

Benefits

Using the Cummins 3289697 V-Ribbed Belt offers several advantages. It provides improved efficiency in power transmission, ensuring that engine accessories operate effectively. The belt’s robust construction contributes to its reliability, reducing the likelihood of unexpected failures. Furthermore, its durability ensures a longer service life compared to other belts, offering cost-effective maintenance solutions for truck operators ².

Installation Process

Proper installation of the Cummins 3289697 V-Ribbed Belt is crucial for ensuring its optimal performance. The process involves routing the belt around the designated pulleys, ensuring it sits correctly in the grooves. Tools such as belt tensioners may be required to achieve the correct tension, which is vital for efficient power transmission and preventing premature wear.

Maintenance Tips

To ensure the Cummins 3289697 V-Ribbed Belt operates at peak efficiency, regular maintenance is recommended. This includes periodic inspections to check for signs of wear, such as cracking or glazing, which can indicate the need for replacement. Keeping the belt clean and free from contaminants also contributes to its longevity and performance.

Troubleshooting Common Issues

Common issues with V-Ribbed Belts include slippage, cracking, and noise during operation. Slippage may indicate incorrect tension or wear, while cracking can be a sign of material fatigue. Noise could suggest misalignment or contamination. Addressing these issues promptly can prevent more severe problems and ensure the continued reliable operation of the truck.

Manufacturer - Cummins

Cummins is a renowned manufacturer in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation. With a rich history of producing reliable components, Cummins has established a strong reputation for delivering products that meet the demanding requirements of commercial vehicle operations. Their focus on research and development ensures that their components, like the 3289697 V-Ribbed Belt, offer superior performance and durability ³.

Compatibility with Cummins Engines

The V-Ribbed Belt part number 3289697, manufactured by Cummins, is designed to fit a variety of Cummins engines. This belt is crucial for the proper functioning of the engine’s ancillary components, ensuring that systems such as the alternator, water pump, and air conditioning compressor operate efficiently.

Compatible Engines

• 4B3.9, 6B5.9, 6C8.3, B5.9 GAS PLUS CM556, ISB CM550, ISB5.9G CM2180, ISC CM554, ISC CM850, ISC8.3 CM2250, ISL CM554, ISL G CM2180, ISL9 CM2150 SN, ISL9 CM2250
• L GAS PLUS CM556, L8.9, L8.9 CM2670 L134C
• QSC8.3 CM2880 C102, QSC8.3 CM554, QSC8.3 CM850 (CM2850), QSL9 CM2250, QSL9 CM2350 L102, QSL9 CM554, QSL9 CM850 (CM2850)

These engines, which include both diesel and gas variants, benefit from the V-Ribbed Belt 3289697. This belt is engineered to handle the specific torque and rotational speeds of these engines, ensuring durability and longevity.

Role of Part 3289697 V-Ribbed Belt in Engine Systems

The V-Ribbed Belt, identified as part 3289697, is integral to the efficient operation of several key components within engine systems. Its primary function is to transmit rotational force from the engine’s crankshaft to various auxiliary components, ensuring they operate in sync with the engine’s performance.

Alternator Drive

In the alternator drive system, the V-Ribbed Belt connects the crankshaft to the alternator. This connection is essential for the alternator to generate electrical power. As the engine runs, the belt drives the alternator, allowing it to convert mechanical energy into electrical energy. This electricity is then used to charge the battery and power the vehicle’s electrical systems, ensuring a consistent and reliable power supply.

Water Pump Drive

The water pump drive is another critical application of the V-Ribbed Belt. Here, the belt transfers rotational force from the crankshaft to the water pump. The water pump is responsible for circulating coolant through the engine, maintaining optimal operating temperatures. Efficient coolant circulation prevents overheating, ensuring the engine operates within safe temperature ranges and prolonging the engine’s lifespan.

Water Pump Drive Pulley

The water pump drive pulley is a component directly driven by the V-Ribbed Belt. This pulley is mounted on the water pump and engages with the belt to transfer motion. The smooth and consistent rotation of the pulley, facilitated by the belt, ensures that the water pump operates efficiently. This, in turn, maintains a steady flow of coolant, contributing to the engine’s thermal management and overall performance.

Conclusion

In summary, the V-Ribbed Belt (part 3289697) plays a significant role in driving essential engine components such as the alternator and water pump, ensuring the engine operates efficiently and reliably. Proper installation, regular maintenance, and prompt troubleshooting of common issues are essential for the continued reliable operation of the truck.