Spicer TIMS (Tire Inflation and Monitor System) for Trailers Installation Guide - Manual (Page 35)

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Glossary
Glossar
y
Glossary
Spicer®
Tire Maintenance System A system that maintains the pressure of selected tires and activates a warning to alert the
vehicle operator if the pressure drops by more than 10%.
Manifold Receives signals from the Electronic Control Unit (ECU) and directs air flow to either
maintain or inflate the tires to keep them at their target pressure.
Electronic Control Unit (ECU) The ECU is programmed with the target pressure and directs the manifold to supply air to
the tires when needed. A significant drop in tire pressure causes the ECU to light the
warning lamp.
Rotary Joint Rotary air seal assembly that allows air transfer from wheel end to tire(s) while vehicle is
in motion. Only pressurized while system is checking tire pressure or inflating.
Target Pressure The desired cold temperature tire pressure for the tires.