Wet
tank
238
Check valve
open
during
charge
619915
Inlet check
valve open
619911
Regeneration
valve open
619911
closed
235
open
619110 heater 12V
619111 heater 24V
To
system
Left side
side view
Left side
Right side
Right side
side view
Air
compressor
Clean / dry air
Atmospheric pressure
Dirty / wet charged air
Dirty / wet purged air
D2
EXH
UNL
RES
Wet
tank
238
Check valve
open
during
charge
619915
Inlet check
valve open
619911
Regeneration
valve open
619911
closed
235
open
619110 heater 12V
619111 heater 24V
To
system
Left side
side view
Left side
Right side
Right side
side view
Air
compressor
Clean / dry air
Atmospheric pressure
Dirty / wet charged air
Dirty / wet purged air
D2
EXH
UNL
RES
Left side
Left side
side view
Right side
Right side
side view
SKF Brakemaster
®
Dual Turbo-2000 air dryer service schematic
Bottom view
Illustrated cycle shows left side in charge mode
(drying) and right side in regenerating mode;
process alternates every 90 seconds.
235
Purge valve
open
235
Purge valve
closed
619912 MLT 12V
619924 MLT 24V
Pressurized to
system pressure
Vented to atmosphere
619915
Inlet check
valve closed
619915
Inlet check
valve open
Clean / dry air
Atmospheric pressure
Dirty / wet charged air
Dirty / wet purged air
Bottom view
Illustrated cycle shows left side in charge mode
(drying) and right side in regenerating mode;
process alternates every 90 seconds.
235
Purge valve
open
235
Purge valve
closed
619912 MLT 12V
619924 MLT 24V
Pressurized to
system pressure
Vented to atmosphere
619915
Inlet check
valve closed
619915
Inlet check
valve open
Clean / dry air
Atmospheric pressure
Dirty / wet charged air
Dirty / wet purged air
Bottom View
