Bendix-commercial-vehicle-systems AD-9 IPC AIR DRYERS 4/11 Manuel d'utilisateur

1® SD-08-2412Bendix® AD-9® and AD-9® IPC (Integrated PuraGuard® Coalescing) Air DryersEXTENDED PURGE STANDARD DESCRIPTIONThe function of the Bendix®

10DESICCANT CARTRIDGE KITHBWSILENCER KITFGGASKETEXHAUST COVEREXHAUST COVER SCREWSADAPTERSILENCERGASKETADAPTER SCREWSADAPTERSILENCER BODYFILTERSILENCER

11ADHESIVE LINED HEAT SHRINK TUBINGEYELET W/HEAT SHRINK INSULATORUNINSULATED BUTT SPLICE CONNECTORWIRE HARNESS ASSEMBLYHEATER ELECTRICAL SPLICING KITM

12Silencer RemovalIf the air dryer purge valve has a silencer attached to it, identify the style of silencer before attempting to remove it. There ar

13Heater and Thermostat Assembly Removal1. Remove the two screws that secure the heater and thermostat assembly to the purge valve assembly. See Fig

144. Make certain that all purge valve housing and end cover passages are open and free of obstructions.5. Inspect the pipe threads in the end cover

154FIGURE 13 - END COVER TO HOUSING TORQUE PATTERN 7835621&94. Install the assembled long check valve body, o-ring, and spring in the end cover

163. Reconnect the three air lines to the proper ports on the end cover (identifi ed during disassembly).4. Reconnect the vehicle wiring harness to t

172. Purge Cycle Time - During normal vehicle operation, the air compressor must remain unloaded for a minimum of 20 seconds for the standard air dry

18CONNECTING THE AIR LINESPURGE CONTROL LINE1. Install a purge control air line having a minimum inside diameter of 3/16 inches between the Bendix® A

19Bendix® AD-9® AND AD-9® IPC AIR DRYER TROUBLESHOOTING CHARTSYMPTOMS CAUSE REMEDY1. Dryer is constantly “cycling” or purging. Dryer purges frequentl

2of engine “turbo” boost pressure during the purge cycle of the Bendix® AD-9® and AD-9® IPC air dryers. For ease of serviceability, the desiccant cart

20Bendix® AD-9® AND AD-9® IPC AIR DRYER TROUBLESHOOTING CHARTSYMPTOMS CAUSE REMEDY1. Dryer is constantly “cycling” or purging. Dryer purges frequentl

21Bendix® AD-9® AND AD-9® IPC AIR DRYER TROUBLESHOOTING CHARTSYMPTOMS CAUSE REMEDY1. Dryer is constantly “cycling” or purging. Dryer purges frequentl

22Bendix® AD-9® AND AD-9® IPC AIR DRYER TROUBLESHOOTING CHARTSYMPTOMS CAUSE REMEDY 2. Water and/or Oil in Supply or Service Reservoir. A. Desiccant

23Bendix® AD-9® AND AD-9® IPC AIR DRYER TROUBLESHOOTING CHARTSYMPTOMS CAUSE REMEDY 2. Water and/or Oil in Supply or Service Reservoir (continued). (

24Bendix® AD-9® AND AD-9® IPC AIR DRYER TROUBLESHOOTING CHARTSYMPTOMS CAUSE REMEDY2. Water and/or Oil in Supply or Service Reservoir (continued). (Co

25Bendix® AD-9® AND AD-9® IPC AIR DRYER TROUBLESHOOTING CHARTSYMPTOMS CAUSE REMEDY4. Safety valve on air dryer “popping off” or exhausting air. A. R

26Bendix® AD-9® AND AD-9® IPC AIR DRYER TROUBLESHOOTING CHARTSYMPTOMS CAUSE REMEDY7. Air dryer does not purge or exhaust air.A. Missing, broken, kin

27Compressor with up to 25% duty cycleFootnotes: 1 With increased air demand the air dryer cartridge needs to be replaced more often.2 Use the drai

28HOLSET TYPE "E & QE" COMPRESSOR W/O ECON VALVEDASH GAUGELOW PRESSURE INDICATORAdditional Troubleshooting InformationThe troubleshootin

3CHECKVALVEORIFICEPURGEVOLUMEDELIVERYPORTHEATERELEMENTSUMPEXHAUSTPURGEVALVERESERVOIRSUPPLYPORTCOMPRESSORGOVERNORENGINETURBOCONTROLPORTOILSEPARATORDESI

4AD-9 CHARGE MODEBWThe initial purge and desiccant cartridge decompression lasts only a few seconds and is evidenced by an audible burst of air at the

5LOWERMOUNTINGBRACKETAD-9® / AD-9® IPC AIR DRYEREND COVERFEMALECONNECTORMALECONNECTORLATCH MUST BEINSERTED UNTILIT SNAPS OVERTAB ON MATINGCONNECTORSID

6OPERATION & LEAKAGE TESTS1. Test the outlet port check valve assembly by building the air system to governor cut-out and observing a test air ga

74. Check the operation of the safety valve by pulling the exposed stem while the compressor is loaded (compressing air). There must be an exhaust of

8MAINTENANCE KITSKit Part NumberService New (S) or Reman Exchange (RX)Purge Valve Type HeaterConnector Color Kit Description Illustration107695 S – –

9CHECK VALVE MAINTENANCE KITSTANDARD MOUNTING BRACKET KITMOUNTING BRACKET KITMOUNTING STRAPMOUNTING STRAPISOLATORUPPER BRACKETSPECIAL WASHERLOWER MOUN