3289626
V Ribbed Belt
Cummins®

Introduction

The Cummins 3289626 V Ribbed Belt is a critical component for commercial trucks, facilitating power transfer from the engine to auxiliary components. Understanding its function is essential for maintaining engine efficiency and reliability.

Basic Concepts of V Ribbed Belts

V Ribbed Belts, with their trapezoidal cross-section, are designed to fit snugly into pulleys, enhancing grip and reducing slippage for efficient power transmission. They drive multiple engine components, such as the alternator, water pump, and air conditioning compressor, contributing to overall engine functionality ¹.

Purpose of the 3289626 V Ribbed Belt

This Cummins part is vital for the operation of a truck’s engine, driving essential components like the alternator for electrical power generation and the water pump for coolant circulation. It ensures these components operate in sync with the engine’s rhythm, maintaining engine efficiency ².

Key Features

The Cummins 3289626 V Ribbed Belt is constructed from high-quality materials that resist wear and tear, ensuring longevity. Its rib design is optimized for maximum grip and minimal slippage, with unique attributes like resistance to oil and heat contributing to its reliability in demanding environments ³.

Benefits

Utilizing this Cummins part offers advantages such as improved engine performance through consistent power transmission to auxiliary components, reduced replacement frequency due to its durable construction, and minimized risk of slippage, enhancing overall engine efficiency and reliability ⁴.

Installation Process

Installing the Cummins 3289626 V Ribbed Belt requires careful attention. Begin with a cool engine and securely supported vehicle. Loosen the tensioner pulley, remove the old belt, and route the new belt around the pulleys according to manufacturer specifications. Adjust the tensioner to the recommended tension, and verify alignment and tension before starting the engine.

Troubleshooting Common Issues

Common issues with V Ribbed Belts include slippage, wear, and noise. Slippage may indicate improper tension or a worn belt, requiring adjustment or replacement. Visible wear or cracks suggest the belt needs replacement. Unusual noises could signal misalignment or a failing component, necessitating inspection and correction.

Maintenance Tips

Regular maintenance is crucial for the Cummins 3289626 V Ribbed Belt’s peak efficiency. Inspect the belt for wear or damage during routine checks. Adjust tension as necessary to prevent slippage while avoiding over-tightening, which can cause premature wear. Replace the belt according to manufacturer guidelines or when significant wear is present.

Cummins Overview

Cummins Inc. is a global power leader known for its innovation and quality in engines, filtration, and power generation products. Cummins has a strong reputation in the commercial truck industry for producing reliable and efficient components, including the Cummins 3289626 V Ribbed Belt.

V Ribbed Belt (Part 3289626) Compatibility with Cummins Engines

The V Ribbed Belt, identified by the part number 3289626, is compatible with several Cummins engines, ensuring efficient power transfer from the engine’s crankshaft to various ancillary components. This compatibility underscores its versatility and importance in maintaining engine performance.

ISB Series

• ISB CM550: Utilizes the V Ribbed Belt to drive the alternator, water pump, and air conditioning compressor, ensuring smooth power transfer and engine efficiency.
• QSB5.9 30 CM550 and QSB5.9 44 CM550: Benefit from the belt’s precision-engineered ribs, which maintain a firm grip on the pulleys, reducing slippage and enhancing belt longevity.

CM2150 Series

• ISB/ISD4.5 CM2150 B119: Incorporates the V Ribbed Belt to drive multiple auxiliary systems, with its robust construction and precise dimensions ensuring it meets the specific demands of this engine configuration.

CM850 Series

• ISBE4 CM850: Relies on the V Ribbed Belt for powering components such as the alternator and water pump, ensuring efficient power transfer and smooth engine operation.
• QSB4.5 CM850 (CM2850) and QSB6.7 CM850 (CM2850): Use the V Ribbed Belt to efficiently transfer power to various components, ensuring reliable operation.

Role of Part 3289626 V Ribbed Belt in Engine Systems

The V Ribbed Belt (part 3289626) is integral to the efficient operation of several engine components, transferring rotational force from the engine’s crankshaft to peripheral components.

Water Pump Drive

The V Ribbed Belt transmits power from the engine to the water pump, ensuring a consistent flow of coolant through the engine block and cylinder head, maintaining optimal operating temperatures. Its ribbed design enhances grip and reduces slippage, providing reliable power transmission under varying engine loads and speeds.

Water Pump Drive Pulley

The V Ribbed Belt interfaces directly with the water pump drive pulley, a critical component in the coolant circulation system. The pulley is mounted on the water pump shaft and is driven by the belt. The precise fit and tension of the V Ribbed Belt on the pulley are essential for efficient coolant flow and engine cooling.

Conclusion

The Cummins 3289626 V Ribbed Belt plays a significant role in maintaining the operational integrity of engine components, ensuring efficient power transfer and reliable engine performance. Its compatibility with various Cummins engines underscores its versatility and importance in the commercial truck industry.