This technical data sheet provides comprehensive information on CAV in-line pumps, specifically the NL6F90-89 model. It covers a wide range of vehicle applications, including commercial vehicles, agricultural machinery, marine vessels, and industrial engines. The manual delves into detailed specifications of the pump, governor, and feed pump, along with essential test rig data. It also includes information on nozzle types, injection pressure, high-pressure pipe specifications, feed pressure data, and test procedures. Furthermore, the data sheet outlines governor link settings, phasing details, calibration order data, and governor test data, ensuring comprehensive understanding and troubleshooting capabilities for mechanics. The manual is a valuable resource for servicing and understanding the workings of CAV in-line pumps, specifically the NL6F90-89 model, across various vehicle types.

The Cav in line pumps NL6F90-89, designed for AEC engines, were a key component in a wide range of commercial, agricultural, marine, and industrial vehicles. AEC, short for Associated Equipment Company, was a prominent British manufacturer known for its robust and reliable heavy-duty engines. These engines powered a diverse array of applications, from long-haul trucks and buses to tractors, harvesters, marine vessels, and industrial equipment. The NL6F90-89 pumps, part of Cav's renowned fuel injection system, played a crucial role in delivering fuel efficiently and precisely to the engine's cylinders. These pumps were designed to withstand the demanding conditions faced by AEC engines, ensuring optimal performance and reliability even under heavy loads and extreme environments.

The NL6F90-89 pumps were known for their robust construction, precision engineering, and advanced features. They typically incorporated a multi-cylinder design, allowing them to deliver fuel to multiple cylinders simultaneously. This ensured a consistent and smooth power delivery, minimizing engine vibration and maximizing efficiency. The pumps also featured adjustable fuel settings, enabling operators to fine-tune the fuel delivery to match specific engine requirements and operating conditions. The pumps' precise fuel metering capabilities contributed to improved fuel economy and reduced emissions, making them environmentally friendly for their time. Cav's reputation for quality and reliability extended to these pumps, making them a trusted choice among AEC engine users. The NL6F90-89 pumps, coupled with AEC's powerful and dependable engines, helped to shape the landscape of heavy-duty vehicles and machinery, contributing to their enduring legacy in various industries.