BENDIX BW2234 Manuale Utente

   

 

The AD-IS air dryer and reservoir systems are designed to 
receive compressed air from the vehicle air compressor, 
clean and dry the air, deliver air to the vehicle’s primary 
reservoir, secondary reservoir and accessories, and control 
the compressor/dryer charge cycle.

safety valve, heater and thermostat assembly, pressure 
protection valves, threaded air connections and the purge 
valve assembly. 

The removable purge valve assembly incorporates the 
purge valve mechanism and a turbocharger cut-off feature 
that is designed to prevent loss of engine “turbo” boost 
pressure during the purge cycle of the Bendix

® 

AD-IS

®

 air 

dryer and reservoir system. For ease of maintenance, all 
replaceable assemblies can be serviced without removal 
of the air dryer and reservoir system from its mounting on 
the vehicle.  Refer to Preventive Maintenance section.

COMPRESSOR

GOVERNOR

DESICCANT 

BED

DELIVERY 

CHECK VALVE 

(CLOSED)

PRIMARY

PORT (PRI)

PURGE VALVE

(OPEN)

TURBO 

CUT-OFF 

VALVE

(CLOSED)

ENGINE 

TURBO

UNLOADER 

PORT 

SUPPLY 

PORT

PRIMARY

RESERVOIR

PRESSURE 

PROTECTION 

VALVES

AUXILIARY PORTS

(TO ACCESSORIES)

EXHAUST

SAFETY

VALVE

PURGE 

RESERVOIR 

DRAIN VALVE

SECONDARY

RESERVOIR

SECONDARY

PORT (SEC)

PURGE 

RESERVOIR

PURGE 

ORIFICE

OIL COALESCING FILTER 

(BENDIX

®

 AD-IS

®

 PURAGUARD

®

 

OIL COALESCING AIR DRYER)

A

D

C

B

PURGE 

CONTROL 

CHANNEL