BENDIX BW1969 Manuale Utente Pagina 1

1®SD-13-4811ADESCRIPTIONThe ATR-1DC™ antilock traction relay valve is a specializedair brake valve developed for use on Bendix antilock/tractionequipp

10DISASSEMBLYPREPARATION FOR DISASSEMBLY1. Remove all air fittings and plugs from the valve.2. Mark the relationship of the valve cover (3) to the bod

113. Install the spring (36) on the inlet seat (37) so that thesmall diameter fits over and around the air passagethrough the center of the inlet seat

12BW1969 © 2004 Bendix Commercial Vehicle Systems LLC. All rights reserved. 9/2004 Printed in U.S.A.

2ATR-1DC™ANTILOCKTRACTIONRELAYVALVEEC-16™ CONTROLLERFIGURE 2 - TYPICAL AT-1DC™ ANTILOCK TRACTION ASSY.FIGURE 3 - SECTIONAL AT-1DC™ ANTILOCK TRACTION A

3FIGURE 4 - SERVICE BRAKE APPLICATIONFIGURE 5 - SERVICE BRAKES HOLDINGbody and cover passages to the supply of the normally closed(NC) traction contro

4FIGURE 6 - SERVICE BRAKES RELEASINGto air pressure, the relay piston drain valve flexes and sealsthe drain passage leading to the relay exhaust.Simul

5FIGURE 8 - TRACTION CONTROL BRAKE APPLICATIONslightly allowing the inlet valve to return to its seat. Theexhaust valve remains closed. With both th

6FIGURE 9 - PARTIAL ANTILOCK TRACTION SYSTEM SCHEMATICBRAKEVALVE(SHOWING DELIVERYLINES ONLY)AT-1DC™ ANTILOCK TRACTION ASSY.(EC-16™ OR EC-17™ CONTROLLE

7The ATR-1DC™ valve also has an auxiliary control port thatpermits coordination of the traction function with an airsuspended tag axle on a 6x2 vehicl

8FIGURE 10 - ATR-1DC™ ANTILOCK TRACTION ASSEMBLY EXPLODED VIEW4356789101118192120242322262527282930311514131721163233381239343536374013

98. Use only genuine Bendix® replacement parts,components and kits. Replacement hardware,tubing, hose, fittings, etc. must be of equivalentsize, type