BENDIX BW2234 Manuel d'utilisateur télécharger pdf (Page 3)

BENDIX

AD-IS

AIR DRYER AND RESERVOIR

SYSTEM OPERATION: GENERAL

(Refer to Figure 2.)

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.

FIGURE 3 - BENDIX

AD-IS

AIR DRYER AND RESERVOIR SYSTEM PURGE 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.

DIAGRAM SHOWS ALL PRESSURE

PROTECTION VALVES OPEN.

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)

PURGE

CONTROL

CHANNEL

1 2 3 4 5 6 7 8 ... 13 14

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BENDIX BW2234 Manuel d'utilisateur Page 3

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