The Meritor Tire Inflation System (MTIS) by P;S.I. is a cutting-edge solution designed to maintain optimal tire pressure in commercial vehicles, enhancing safety and operational efficiency. By automatically inflating tires during operation, MTIS reduces wear, improves fuel economy, and minimizes downtime. Its compatibility with various axle configurations and trailers makes it a trusted choice for fleets worldwide. With a wide range of available parts and accessories, MTIS ensures seamless installation and maintenance, supported by comprehensive guides and technical resources. Proper tire inflation has never been more accessible or efficient.

Overview of the MTIS by P.S.I.

The Meritor Tire Inflation System (MTIS) by P.S.I. is a widely adopted solution for maintaining proper tire pressure in commercial vehicles. It uses compressed air from the trailer’s existing air supply, routing it through a control box to each axle, ensuring tires remain inflated during operation. This automatic system is designed to enhance safety, reduce tire wear, and improve fuel efficiency. Compatible with various axle configurations and trailer types, MTIS is a versatile choice for fleets. With over 1 million trailers equipped, it is a proven solution for operational efficiency. The system’s components, including the control box, wheel-end parts, and air supply, work seamlessly to deliver reliable performance. MTIS is supported by extensive resources, such as the Meritor Tire Inflation System Parts Book and Maintenance Manual, ensuring easy access to necessary information for installation and upkeep.

Importance of Proper Tire Inflation for Commercial Vehicles

Proper tire inflation is critical for commercial vehicles to ensure safety, efficiency, and cost savings; Underinflated tires can lead to reduced tread life, decreased fuel economy, and increased risk of blowouts, all of which can result in costly downtime and repairs. The Meritor Tire Inflation System (MTIS) addresses these challenges by maintaining optimal tire pressure during operation. This not only enhances vehicle performance but also contributes to operational efficiency, reducing wear on tires and improving overall fleet productivity. Properly inflated tires also improve handling and braking, ensuring safer conditions for drivers and cargo. Regular tire pressure monitoring is essential for maintaining these benefits.

Key Components of the Meritor Tire Inflation System

The MTIS includes a control box, wheel-end components, and an air supply system. These components work together to automatically inflate tires during operation, ensuring optimal pressure.

The Standard Meritor Tire Inflation System (MTIS)

The standard MTIS by P.S.I. automatically inflates tires during operation using compressed air from the trailer’s existing air supply. Air flows through the control box to each axle, ensuring tires remain inflated to the set pressure. This system is compatible with a wide range of axle configurations and trailer types, making it a versatile solution for commercial vehicles. The MTIS enhances safety, fuel efficiency, and tire life by preventing underinflation. It is widely adopted across North America and supported by a comprehensive parts list and maintenance manual, ensuring optimal performance and ease of service.

Wheel-End Components and Their Functions

The Meritor Tire Inflation System (MTIS) relies on essential wheel-end components to ensure proper tire inflation. Key parts include the Pressure Protection Valve, which safeguards against over-inflation, and fittings like the 1/4 NPT x 1/4 TBG 90° elbow. The 3/8 hex nipple and 1/8 x 1/4 TBG compression fitting facilitate secure air connections. Additionally, the system uses fasteners such as the 5/16 hex head capscrew and self-locking hex nut for durability. These components work together to maintain consistent air flow and pressure, ensuring optimal tire performance and system reliability during operation.

Control Box and Air Supply System

The control box is the central component of the Meritor Tire Inflation System, responsible for regulating and monitoring air pressure. It receives compressed air from the trailer’s existing air supply system, routing it to each axle through a network of valves and hoses. The control box ensures that tires inflate automatically when pressure drops below the set level during operation. This seamless integration with the trailer’s air supply eliminates the need for external compressors, making the system highly efficient. The control box also monitors system performance, ensuring consistent pressure delivery to maintain optimal tire inflation and operational safety.

Meritor Tire Inflation System Parts List

The Meritor Tire Inflation System includes essential components like pressure protection valves, fittings, and assorted small parts. Each part is designed for precise functionality and durability.

Part Number Description and Functionality

The Meritor Tire Inflation System (MTIS) includes a range of components, each with specific roles. Part number 31982-01 is a small parts assortment, featuring pressure protection valves, fittings, and nipples. These components ensure proper air flow and system integrity. The pressure protection valve prevents over-inflation, while the rotary union allows air to pass through moving axles. Other critical parts include check valves, which regulate air supply, and thermal plugs for heat monitoring. Each component is engineered for durability and reliability, ensuring consistent tire pressure management and optimal system performance. Refer to the MTIS parts manual for detailed descriptions and functionality.

Small Parts Assortment and Accessories

The Meritor Tire Inflation System (MTIS) includes a comprehensive small parts assortment, essential for system functionality and maintenance. Part number 31982-01 offers a collection of critical components, such as pressure protection valves, 1/4 NPT x 1/4 TBG 90 fittings, and 3/8 hex nipples. These parts ensure proper air flow and system integrity. Additionally, the assortment includes compression fittings, hex head capscrews, and locknuts, which are vital for secure connections. Accessories like hubcaps and thermal plugs further enhance system performance. These small parts are designed for durability and compatibility, ensuring optimal operation and ease of maintenance for the MTIS.

Installation and Maintenance Procedures

The Meritor Tire Inflation System (MTIS) requires precise installation and regular maintenance to ensure optimal performance. Follow the manual’s step-by-step guide for proper setup and servicing.

Step-by-Step Installation Guide for MTIS

Begin by ensuring the axle is MTIS prepped, using the appropriate kit for your specific configuration. Identify the wheel size and axle count to select the correct components from the parts list. Refer to the manual for detailed instructions, starting with mounting the control box and connecting the air supply. Install the wheel-end components, ensuring proper alignment and secure connections. Use the provided diagrams, such as Figure 1.1, to guide the routing of air lines and placement of sensors. Finally, test the system to confirm all parts function correctly and adjust settings as needed for optimal performance.

Maintenance Tips to Ensure Optimal Performance

Regularly inspect the MTIS components, including air lines, valves, and wheel-end parts, for signs of wear or damage. Check tire pressure during pre-trip inspections and ensure the system is functioning correctly. Address any air leaks promptly to prevent efficiency loss. Use the LED Air Guard system for real-time tire pressure monitoring and alerts. Refer to the maintenance manual for scheduled servicing and part replacements. Ensure proper alignment and secure connections of all components. Lubricate moving parts as recommended to maintain smooth operation. By following these tips, you can extend the system’s lifespan and ensure consistent performance, reducing downtime and improving overall efficiency.

Retrofitting the Meritor Tire Inflation System

Retrofitting MTIS involves identifying wheel size and axle count, then selecting the correct kit, ensuring compatibility with existing systems for optimal performance.

Identifying Wheel Size and Axle Count for Retrofitting

Identifying wheel size and axle count is crucial for retrofitting the Meritor Tire Inflation System. Use the provided charts to determine the correct retrofit kit for your trailer. If the axle was MTIS prepped at the factory, use the MTIS Prepped Kit, which includes necessary components like hubcaps and pressure protection valves. Ensure compatibility by referencing the part number descriptions and functionality in the MTIS parts list. Proper identification ensures a seamless installation process and optimal system performance. Always refer to the installation manual or Meritor’s online resources for detailed guidance.

Using the Correct Retrofit Kit for Your Trailer

Selecting the right retrofit kit for your trailer ensures a seamless MTIS installation. Use Meritor’s Xact Search tool to identify the correct kit based on wheel size and axle configuration. Each kit includes components like hubcaps, pressure protection valves, and fittings, tailored to your trailer’s specifications. Proper kit selection guarantees system compatibility and optimal performance. Always refer to the MTIS parts list and installation manual for guidance. This ensures your retrofitting process is efficient and stress-free, maintaining the benefits of proper tire inflation and operational efficiency.

Troubleshooting Common Issues

Identify and resolve air leaks promptly to ensure system efficiency. Use the LED Air Guard to monitor tire pressure and detect potential issues early for optimal performance.

Identifying and Resolving Air Leaks in the System

Air leaks in the Meritor Tire Inflation System can lead to inefficiency and safety risks. To identify leaks, inspect connections, hoses, and valves for damage or wear. Use soapy water to detect escaping air bubbles. If a leak is found, tighten loose fittings or replace damaged components. The ThermALERT system can also alert you to issues by detecting air escaping through thermal plugs. Regular maintenance, such as checking the control box and air supply lines, is crucial to prevent leaks. Refer to the MTIS maintenance manual for detailed troubleshooting steps and part replacement guidelines to ensure optimal system performance.

Monitoring Tire Pressure with LED Air Guard

The LED Air Guard system provides real-time monitoring of tire pressure, ensuring optimal inflation levels. It alerts drivers to potential issues through a visual indicator, helping prevent underinflation. This system integrates seamlessly with the Meritor Tire Inflation System, enhancing its functionality. By continuously monitoring pressure, it reduces the risk of tire blowouts and improves fuel efficiency. Regular checks of the LED Air Guard valve and sensors are essential to maintain accuracy. This advanced monitoring solution is a key component of the MTIS, offering fleets a reliable way to track tire health and maintain operational safety on the road.

ThermALERT System for Enhanced Safety

The ThermALERT system enhances safety by detecting temperature and pressure changes, alerting drivers to potential tire issues before they escalate, ensuring timely interventions to prevent incidents.

How ThermALERT Detects and Alerts Tire Issues

The ThermALERT system continuously monitors tire temperature and pressure, detecting anomalies that indicate potential issues. It alerts drivers through visual or auditory signals when irregularities are detected, ensuring timely intervention. By integrating with the MTIS, ThermALERT enhances safety by providing real-time insights, helping to prevent tire failures and associated risks. Its advanced monitoring capabilities ensure that any deviations from set parameters trigger immediate notifications, allowing drivers to address problems before they escalate. This proactive approach to tire health significantly improves road safety and operational reliability for commercial vehicles equipped with the Meritor Tire Inflation System.

The Meritor Tire Inflation System (MTIS) significantly enhances operational efficiency, reduces maintenance costs, and improves safety by ensuring optimal tire pressure, making it a vital asset for fleets.

The Importance of MTIS for Operational Efficiency

The Meritor Tire Inflation System (MTIS) plays a pivotal role in enhancing operational efficiency for commercial fleets. By maintaining optimal tire pressure, it reduces tire wear, improves fuel economy, and minimizes downtime. Properly inflated tires contribute to safer operations, reduced maintenance costs, and extended tire life. MTIS’s ability to automatically adjust tire pressure during operation ensures consistent performance, making it a critical component for fleets aiming to maximize productivity and profitability. Its compatibility with various axle configurations and extensive parts support further solidify its importance as a reliable solution for modern commercial vehicles.