19
Instruction book
9096 3321 00
Note: The cooling fan is not provided on water-cooled compressors.
Description
In air receiver/oil separator (AR), most of the oil is removed from the air/oil mixture by centrifugal
action.The rest is removed by oil separator (OS). The oil collects in the lower part of air receiver/oil
separator (AR),which serves as an oil tank.
The oil system is provided with a thermostatic bypass valve (BV). When the oil temperature is below its
set point, bypass valve (BV) shuts off the supply to oil cooler (Co) and the oil cooler is bypassed.
Check valve (CV) prevents blow-back of compressed air when the compressor is stopped. Minimum
pressure valve (Vp) prevents the receiver pressure (AR) from dropping below a minimum pressure during
unloaded operation.
2.3 Oil system
Flow diagram
References Description
1
For Workplace units, compressed air flow to the air outlet valve
For Full-Feature units, compressed air flow to the air dryer
A Intake air
B Air/oil mixture
C Oil
D Wet compressed air
F Condensate
Oil system
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