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Introduction
More than 80% of fleet tire problems are caused by improper inflation. In fact, tires represent the second largest financial expenditure for most fleets.
The Meritor Tire Inflation System (MTIS) by PSI is an automatic tire inflation system that keeps tires properly inflated. The system increases tire life, fuel economy, and safety by helping to compensate for pressure losses resulting from typical tire punctures and other slow leaks. Unlike equalization systems that merely distribute air from one tire to another, or monitoring systems that simply tell when a tire has lost air pressure, MTIS uses compressed air from the trailer’s air system to inflate any tire that falls below a preset pressure whenever the vehicle is in operation.
This innovative system connects all tires on the trailer to a controlled air supply to fill and maintain tires at the desired pressure setting, even while the vehicle is moving. As air pressure drops below the tire manufacturer’s recommended level, MTIS automatically routes air through a control box and through the trailer axles to refill any underinflated tires. By maintaining proper pressure, MTIS helps extend tire life and allows for more even tread wear and maximized recap potential.
Self-contained on the trailer, MTIS can easily adapt to any tractor. The system can be installed on any type of trailer, from vans and tanks, to flatbeds and container chassis. MTIS kits are also available for retrofit.
Use our payback calculation tool to see how MTIS can pay you back.
P.S.I.'s ATIS is covered by one or more of the following U.S. Patents: 5,287,906, 5,584,949, 5,767,398, 5,769,979, 6,131,631, 6,698,482
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ThermALERT™ Option
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ThermALERT Adds High-Temperature Protection to
the Industry-Leading Automatic Tire Inflation System. ThermALERT wheel-end heat-sensing technology helps alert drivers to take preventive action that avoids damage caused by elevated wheel-end temperatures.
ThermALERT reduces vehicle downtime, risk and costs to keep your business moving ahead. A patented eutectic insert (thermal screw) in a ThermALERT-equipped spindle plug melts if the wheelend reaches abnormally high temperatures, allowing
air to escape through the hubcap tee vent and triggering the system’s exterior light. In addition, when the driver exits the cab to inspect, an audible signal will be heard at the suspected wheel end. The alert can also be communicated to the cab through the Meritor WABCO PLC Display or to an operations center via a telematic system.
| A previously melted eutectic insert (thermal screw)
can be easily replaced (See MTIS Maintenance
Manual 14P for full details) |
| Unique thermal-equipped spindle plug utilizing new six-vent hubcaps allows a path for air to escape |
| New LED indicator light offers longer life and increases driver visibility and awareness
(mounted on trailer exterior) |
| New instructional decal provides simple operating guidelines to the driver |
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Warranty Support
Details about ArvinMeritor’s industry- competitive warranty.
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