On Full-Feature compressors, the air flows through air dryer (DR) before it is discharged through
outlet valve (AV). Also see section Air dryer.
In all circumstances, minimum pressure valve (Vp) keeps the pressure in the separator tank (AR)
above a minimum value, required for lubrication. An integrated check valve prevents the
compressed air downstream the valve from being vented to atmosphere during unloaded
operation. When the compressor is stopped, check valve (CV) and inlet valve (IV) close,
preventing compressed air (and oil) to be vented into the air filter.
2.3 Oil system
Flow diagram
Oil system
References Description
1 Compressed air flow to the air outlet valve (Workplace units)
Compressed air flow to the air dryer (compressors with integrated dryer)
A Intake air
B Air/oil mixture
C Oil
D Wet compressed air
Note: The cooling fan is not provided on water-cooled compressors.
Instruction book
18 2920 7109 51
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