MM-34
Page 2
Revised 11-02
How the Air Dryer Works
During system pressure build-up, compressed air
passes into the air dryer where the filter system
removes contaminants and passes the air into the
drying stage.
Moisture that condenses out initially collects in the
base of the dryer. Moisture-laden air passes
through the desiccant bed in the air dryer
cartridge and is dried. When the compressor
unloads, the water is expelled and dried air flows
back through the dryer, drying the desiccant for
the next cycle.
A typical Meritor WABCO System Saver 1200 or
1800 Series air dryer installation is illustrated in
Figure 1.3
. Illustrations for Combo Tank
installations appear in Appendix III, Special
Applications.
Figure 1.3
1002141c
PURGE
VALVE
(EXHAUST)
COMPRESSOR
DISCHARGE
LINE
COMPRESSOR
CONTROL
(PURGE) PORT
COMPRESSOR
INTAKE LINE
PRESSURE-
CONTROLLED
CHECK VALVE
SUPPLY
TANK
SYSTEM
RESERVOIRS
ONE-WAY
CHECK
VALVE
DRYER
OUTLET
PORT
SYSTEM SAVER SERIES
REGENERATION
STYLE AIR DRYER
DRYER
INLET
PORT
UNLOADER
LINE
RESERVOIR
TO GOVERNOR
LINE
1800
1200
SUPPLY
LINE
PURGE
TANK
PURGE
VALVE
(EXHAUST)
P Series with dedicated
purge tank.
Bottom view
of air dryer.
REGENERATION
VALVE
GOVERNOR
UNLOADER
PORT
Содержание System Saver 1000
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