Spicer CTIS (Central Tire Inflation System) Troubleshooting Guide - Manual (Page 7)

4
General Information
CTIS Components
Simplified System Schematic
Tire
Hose
Tire
Hose
To Steers
Pressure
Sensor
To Drive Axle 2
To Drive Axle 1
Load Sensor
(Optional)
Electronic
Control Unit
Pressure
Switch
To Primary and
Secondary
Tanks
Single Channel System
System Key
Pneumatic – Upper Control Lines
Electrical
Wheel
Valve
Wheel
Valve
Compressor
Speed Sensor
Air Transport
Valve (Optional)
Air Transport
Valve (Optional)
Tire
Hose
Supply Tank
Air Dryer
Tire
Hose
Tire
Hose
Tire
Hose
Supply Line
PCU
Sensor
Supply Line
Pneumatic – Lower Control Lines
Pneumatic
Control Unit
Quick
Release
Valve
Quick
Release
Valve
Wheel
Valve
Wheel
Valve
Quick
Release
Valve
Wheel
Valve
Wheel
Valve
PCU