142511
Temperature Transmitter
Cummins®

Introduction

The Cummins 142511 Temperature Transmitter is a specialized component designed for use in commercial trucks. Its purpose is to accurately measure and transmit temperature data from various parts of the truck’s systems to the engine control unit (ECU). This data is vital for the proper operation and management of the truck’s engine and other systems, ensuring optimal performance and efficiency ¹.

Basic Concepts of Temperature Transmitters

A temperature transmitter is a device that measures temperature at a specific point and converts this measurement into an electrical signal. This signal is then sent to a control system, such as an ECU, where it is used to monitor and regulate the temperature within the system. Temperature transmitters play a role in maintaining the desired operating conditions by providing real-time data that allows for adjustments to be made as needed ².

Purpose of the 142511 Temperature Transmitter

The Cummins 142511 Temperature Transmitter is integral to the operation of a truck, particularly in engine management and cooling systems. It provides precise temperature readings that enable the ECU to make informed decisions regarding fuel injection, ignition timing, and other critical parameters. Additionally, it plays a role in the cooling system by monitoring the temperature of the coolant, allowing for adjustments to be made to prevent overheating and ensure efficient operation ³.

Key Features

The 142511 Temperature Transmitter is characterized by several key features that enhance its performance and reliability. These include high accuracy in temperature measurement, durability to withstand the harsh environments typical of commercial truck operations, and compatibility with a wide range of truck systems. It also incorporates advanced technological features that improve its functionality and ease of integration into existing systems.

Benefits of Using the 142511 Temperature Transmitter

Utilizing the Cummins 142511 Temperature Transmitter offers several advantages. It contributes to improved engine performance by ensuring that the engine operates within optimal temperature ranges. This precise temperature monitoring enhances safety by preventing overheating and other temperature-related issues. Furthermore, it can lead to potential cost savings through more efficient operation and reduced maintenance needs.

Installation and Integration

Proper installation and integration of the 142511 Temperature Transmitter into a truck’s system are crucial for its effective operation. This process involves connecting the transmitter to the appropriate sensors and the ECU, ensuring that all connections are secure and that the system is calibrated correctly. It is important to follow manufacturer guidelines to ensure compatibility and optimal performance.

Troubleshooting and Maintenance

To ensure the continued reliable operation of the 142511 Temperature Transmitter, routine maintenance and troubleshooting practices should be followed. This includes regular checks for any signs of wear or damage, ensuring that connections remain secure, and calibrating the transmitter as needed. Troubleshooting common issues may involve checking for loose connections, verifying sensor readings, and ensuring that the transmitter is functioning within its specified parameters.

Cummins Overview

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 history spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the commercial truck industry. Its product range includes engines, powertrains, and related components, all designed to meet the demanding requirements of commercial and industrial applications.

Role of Part 142511 Temperature Transmitter in Engine Systems

The Part 142511 Temperature Transmitter is an integral component in the monitoring and regulation of engine systems. It works in conjunction with various engine components to ensure optimal performance and safety.

Integration with Engine Components

1. Coolant System: The Temperature Transmitter is connected to the engine’s coolant system. It measures the temperature of the coolant as it circulates through the engine block and radiator. This data is essential for maintaining the engine within its optimal operating temperature range, preventing overheating and ensuring efficient combustion.

2. Fuel Injection System: In modern engines, the Temperature Transmitter provides temperature data to the Engine Control Unit (ECU). The ECU uses this information to adjust the fuel injection timing and quantity. This ensures that the air-fuel mixture is optimal for the current engine temperature, enhancing fuel efficiency and reducing emissions.

3. Exhaust Gas Recirculation (EGR) System: The Temperature Transmitter also interfaces with the EGR system. By monitoring the temperature of the exhaust gases, it helps the ECU determine the appropriate amount of recirculated exhaust to mix with the incoming air. This process reduces nitrogen oxides (NOx) emissions and improves engine efficiency.

4. Thermostat: The Temperature Transmitter works in tandem with the thermostat to regulate the flow of coolant. When the engine is cold, the thermostat restricts coolant flow to warm the engine quickly. As the engine reaches operating temperature, the thermostat opens, allowing coolant to flow freely. The Temperature Transmitter ensures that this process is smooth and that the engine maintains a consistent temperature.

5. Radiator Fan: The Temperature Transmitter sends temperature signals to the radiator fan control module. When the engine temperature rises above a certain threshold, the fan is activated to draw cool air through the radiator, dissipating heat and preventing overheating.

6. Dashboard Gauges: The Temperature Transmitter provides real-time temperature data to the vehicle’s dashboard gauges. This allows the driver to monitor the engine temperature and take appropriate action if it deviates from the normal range.

7. Transmission System: In vehicles with automatic transmissions, the Temperature Transmitter’s data is used to adjust the transmission fluid temperature. This ensures that the transmission operates within its optimal temperature range, enhancing durability and performance.

By accurately measuring and transmitting temperature data, the Part 142511 Temperature Transmitter plays a significant role in the efficient and safe operation of engine systems.

Conclusion

The Cummins 142511 Temperature Transmitter is a critical component in the operation of commercial trucks, providing essential temperature data that ensures optimal engine performance and safety. Its integration with various engine components, such as the coolant system, fuel injection system, and EGR system, highlights its importance in maintaining efficient and reliable engine operation. Proper installation, maintenance, and troubleshooting are essential to ensure the continued effectiveness of this part in demanding commercial truck environments.