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Aug 1, 2004 12:00 PM

An option for Hendrickson's Intraax and Vantraax trailer suspension systems, the company's Tiremaax provides a responsive tire inflation system that taps the trailer air supply to maintain tire inflation at a preset level.

Tiremaax nearly doubles the size of the hubcap tee fitting compared with earlier connectors. High-stress areas received added material for a stouter cross-section and more generous radii. An added guard around the tee fitting protects it during tire removal and reduces potential damage from improperly using the wheel hub as a step.

Hoses feature braided stainless steel jackets and larger barrels for fitting connectors. Hendrickson improved the seal structure for the tee connections, providing redundant sealing faces to help maintain leak-free fittings.

Governed by an electronic control unit, the system detects low tire pressure and signals the operator to situations or circumstances requiring attention. It responds by directing air from the trailer tank to the one or more tires when the inflation pressure dips below a pre-set level.

With Tiremaax, air travels from tile supply tank through air lines inside the axle to the wheel ends. A bolt-in, ball-bearing rotary union allows air to flow through the axle spindle to the rotating hubcap fitting, and hoses connect the hubcap tee to the tires. For more details, contact Hendrickson, 2070 Industrial Place SE, Canton OH 44707-2641.