Home truck trailer air system air valves governor valves.
Air dryer governor valve.
Check governor cut out setting.
Wabco air valve components.
Axle beams and assemblies.
Cycle of the air dryer.
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Wabco air dryer components.
2 figure 2 ad is air dryer and reservoir system charge cycle compressor governor purge control channel desiccant bed delivery check valve open purge reservoir primary port pri purge valve closed turbo cut.
The governor unloads the compressor by allowing air pressure to fill the line leading to the compressor unloader mechanism.
Readjust if necessary or replace governor if faulty clean or replace line.
Repair or replace as needed.
Air governor not working properly.
Air system leaks such as compressor discharge line air dryer reservoirs brake or suspension valves etc.
Page 1 bendix governor upper spring adjusting washer retaining seat screw ring o ring retaining locknut ring piston cover inlet pressure setting body exhaust spring valve 19 lower spring seat exhaust port spring guide 19 lower spring seat 8 o ring.
This suspends the delivery of compressed air to the bendix ad 9si air dryer.
Install air dryer or automatic drain valve.
Repair or replace purge valve.
Replaces freightliner tdas4324709202 and meritor s4324709202.
The purge piston moves in response to air pressure causing the purge valve to open to atmosphere and partially closing off the supply of air from the compressor this will be.
Test with shop air at 150 psi.
Inspect governor per manufacturer s instructions.
Operation operating tests or remanufactured unit or repaired with genuine bendix parts start the vehicle engine and build up.
The pressure moves the air dryer purge.
Air dryer leaks from purge valve.
Axle assemblies hub to hub 20 10 stud axle assemby hub to hub 73 track.
Similarly the governor also supplies this air pressure signal to the purge valve.
Valve assembly figure 3 ad 9 air dryer purge cycle governor unloader port to the ad 9 air dryer end cover control port.
Alter determining air reaches purge valve.
Pressure protection elements.
Wabco type air governor for system saver 1200 plus air dryers.