BENDIX SD-13-4811 Manuel d'utilisateur

1 SD-13-4811DESCRIPTIONThe ATR-1™ antilock traction relay valve is a specialized air brake valve developed for use on Bendix antilock/traction equippe

109. Inspect the relay piston spring(20) for signs of corrosion, pitting and cracks. Replace as necessary.10. Inspect all air line fi ttings for corr

11NOTES

12BW1794 © 2011 Bendix Commercial Vehicle Systems LLC 02/11 Printed in U.S.A. All Rights Reserved.

2ATR-1™ ANTILOCK TRACTION RELAY VALVECONTROLLERFIGURE 2 - ANTILOCK TRACTION ASSEMBLYTRACTION CONTROL SOLENOIDSUPPLY SERVICE DOUBLECHECK VALVEDELIVER

3FIGURE 4 - SERVICE BRAKE APPLICATIONFIGURE 5 - SERVICE BRAKES HOLDINGSERVICE BRAKES HOLDING (FIGURE 5)The air pressure being delivered to the brake c

4FIGURE 6 - SERVICE BRAKES RELEASINGFIGURE 7 - TRACTION CONTROL SERVICE BRAKE APPLICATIONSERVICE BRAKES RELEASING (FIGURE 6)When the brake application

5speed up to 25 mph, the antilock traction controller instantly energizes the solenoid in the ATR-1™ valve which then applies air to each of the rear

6FIGURE 8 - PARTIAL ANTILOCK TRACTION SYSTEM SCHEMATICBRAKE VALVEAT-30™ ANTILOCK TRACTION ASSY.MODULATORMODULATORMODULATORREAR AXLE BRAKEREAR AXLE BRA

77. Never connect or disconnect a hose or line containing pressure; it may whip. Never remove a component or plug unless you are certain all system

8FIGURE 9 - ANTILOCK TRACTION ASSEMBLY EXPLODED VIEW2423222625272829303132333435PRIOR INTERNAL COMPONENTCONFIGURATION Key Description 1 ECU Control 2

9INSTALLATION1. Install the assembled unit on the vehicle.2. Reconnect all air lines and wire harnesses to the unit using the identifi cation made du