Bendix-commercial-vehicle-systems AD-9si Oil Coalescing Air Dryer Manuel d'utilisateur

1®Bendix® AD-9si™ and AD-9si™ PuraGuard® Oil Coalescing Air DryerDESICCANTCARTRIDGE(PURAGUARD® OIL COALESCING SHOWN)IN 1SUPPLY FROM COMPRESSORHEATER /

10 DO NOT ATTEMPT TO REMOVE THE CLAMP BAND THAT RETAINS THE TWO HOUSINGS TOGETHER. SERIOUS INJURY OR DEATH MAY OCCUR IF THESE INSTRUCTIONS ARE NOT FO

11FIGURE 7 - BENDIX® AD-9si™ AIR DRYER SERVICEABLE COMPONENTSGASKETGOVERNORSPRINGDELIVERY CHECK VALVE BODYSMALL O-RINGSAFETY VALVEDESICCANT CARTRIDGE

12If, after bypassing the air dryer, the system pressure still does not build, use the following procedure to remove, clean, and reinstall the deliver

13BENDIX®AD-9si™ AIR DRYERTROUBLESHOOTING CHARTSYMPTOM CAUSE REMEDY1. Dryer is constantly “cycling” or purging.A. Excessive system leakage. A. Test

14BENDIX®AD-9si™ AIR DRYERTROUBLESHOOTING CHARTSYMPTOM CAUSE REMEDY2. Water in vehicle reservoirs. A. Maximum air dryer inlet temperature is exceede

15BENDIX®AD-9si™ AIR DRYERTROUBLESHOOTING CHARTSYMPTOM CAUSE REMEDY5. Cannot build system air pressure.A. Supply pressure to the air dryer is not

SD-08-2433 © 2014 Bendix Commercial Vehicle Systems LLC, a member of the Knorr-Bremse Group • 9/14 • All Rights ReservedLog-on and Learn from the B

2GENERAL SAFETY GUIDELINESWARNING! PLEASE READ AND FOLLOW THESE INSTRUCTIONSTO AVOID PERSONAL INJURY OR DEATH:When working on or around a vehicle, the

3DESCRIPTIONThe function of both the Bendix® AD-9si™ air dryer and the Bendix® AD-9si™ PuraGuard® oil coalescing air dryer is to collect and remove ai

4FIGURE 2 - BENDIX® AD-9si™ AIR DRYER WITH GOVERNOR—CHARGE CYCLECOMPRESSORGOVERNORDESICCANT BEDDELIVERY CHECK VALVEPURGE VALVECONTROL PORT SUPPLY PORT

5COMPRESSORGOVERNORDESICCANT BEDDELIVERY CHECK VALVEPURGE VALVETURBO CUT-OFF VALVE (CLOSED)CONTROL PORT SUPPLY PORTFRONTRESERVOIRSAFETYVALVEREARRESERV

6FIGURE 4 - BENDIX® AD-9si™ AIR DRYER WITHOUT GOVERNOR—CHARGE CYCLECOMPRESSORDESICCANT BEDDELIVERY CHECK VALVEPURGE VALVETURBO CUT-OFF VALVE (OPEN)CON

7COMPRESSORDESICCANT BEDDELIVERY CHECK VALVEPURGE VALVETURBO CUT-OFF VALVE (CLOSED)CONTROL PORT SUPPLY PORTFRONTRESERVOIRSAFETYVALVEREARRESERVOIRPURGE

8PREVENTIVE MAINTENANCEImportant: Review the warranty policy before performing any intrusive maintenance procedures. An extended warranty may be voi

91. Visually check for physical damage, such as chafed or broken air and electrical lines, and broken or missing parts.2. Check the Bendix® AD-9si™