SKF Brakemaster Dual Turbo-2000 Service Schematic

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