At what pressure does the air dryer purge?
To prevent system damage, the ignition switch must be turned off manually if the system pressure reaches 130 psi. – Build system pressure to governor cut-out, wait two (2) minutes for the air dryer purge completion.
What will cause air dryer to keep popping off?
Check for air leaks in the line between the air governor and the drier pop off valve. This should be the center tap in the governor. if it is an ad-9 drier and it leaks through the purge valve after its initial main purge and doesn’t stop till it is back on the build cycle check the check valve in the discharge port.
Can you bypass a air dryer?
The bypass is a short term remedy only until the vehicle can make it to a repair facility and either have the air dryer repaired or replaced. Long term use of the vehicle with the air dryer bypassed could result in excessive moisture build up in the air system. Do not work under a vehicle supported only by jacks.
What does an air dryer do on a truck?
The majority of today’s air-braked vehicles are now equipped with air dryers. Their role in removing liquid, vapor and solid contaminants from a truck’s air system has become increasingly important as components like trailer ABS — which need clean, dry air to function properly-have become more widely used.
Which is the Bendix AD9 air dryer cross reference?
Bendix ad9 air dryer cross reference: 065226, 107953, 107953X, 109685, 109685X, 65226, R1096859002783, 23880305, F0HZ2A131A, FOHZ2A131A, 4317715, 681410115, BW065225, 15665475, 26QE377, 26QE377P4, 26QE377P5, 26QE377P6, 745065225, 1673737C91, BX065225, ZAC065225, 1091606, 2FS82, 917352 If playback doesn’t begin shortly, try restarting your device.
Is there a troubleshooting guide for an air dryer?
*This guide is only for vehicles that use desiccant air dryers. The guide consists of an introduction to air brake charging system components, a table showing recommended vehicle maintenance schedules, and a troubleshooting symptom and remedy section with tests to diagnose most charging system problems.
How often should a Bendix air dryer be rebuilt?
Bendix AD9 air dryers have a large capacity desiccant cartridge that allows for longer maintenance intervals. Air dryer rebuilds can be stretched to every 36 months when the AD-9 is installed on a typical over-the-road truck or tractor. Desiccant cartridge replacement is the only reason to ever completely disassemble the Bendix AD9 air dryer.
What causes air dryer to stop compressing air?
Constant exhaust of air at air dryer purge valve exhaust when air dryer is in Charge mode. Compressor fails to unload (stop compressing air) and air dryer purge exhaust makes “sputtering” or “popping” sound Purge control line connected to reservoir or exhaust port of governor. It must be connected to an unloader port on the governor.