8.8.5
Oil fine separator
1
2
3
4
5
Fig. 8-9: Air filter
[1]
Pressure relief
[2]
Pressure pipe
[3]
Suction pipe
[4]
Vessel cover lifting device
[5]
Oil fine separator
The compressor is equipped with an internal oil
fine separator. The oil fine separator separates
compressed air and oil, with the oil then being in-
jected in the airend for lubrication, cooling and
sealing.
The oil fine separator must be changed if the mes-
sage [
Service due
] or [
Fine separator
] is displayed
on the electronic control unit.
Changing the oil fine separator
WARNING
Pressure components
Even when the compressor is depres-
surised, the aftercooler remains under
pressure.
➯
Release pressure manually prior to
performing maintenance work in the
aftercooler and pressure-retaining
valve area.
1. Switch main switch OFF and secure to prevent
switching back on.
2. Open the enclosure, create access.
3. Open valve (1) for pressure relief.
4. Detach pressure pipe (2).
5. Detach suction pipe (3).
6. Remove vessel cover screws.
7. Raise vessel cover using the lifting device (4).
8. Turn vessel cover by 180°.
9. Lift oil fine separator (5) out of the vessel.
10.Replace sealing rings.
11.Lift new oil fine separator (5) in the vessel.
12.Swivel vessel cover into the exit position.
13.Release lifting device (4).
14.Attach vessel cover screws
°
Screw torque 8.8 -
214 Nm; 158 lbf-ft
°
Screw torque 5.6 -
95 Nm; 70 lbf-ft
15.Attach suction pipe (3).
16.Attach pressure pipe (2).
17.Shut valve (1).
18.Shut enclosure.
8.8.6
Air filter
1
2
Fig. 8-10: Air filter
[1]
Air filter
[2]
Pressing frame
The compressor is equipped with an air filter. The
air filter is used to filter the inlet air. The condition
of the air filter must be checked by regular visual
inspections.
The air filter element must be changed, if the mes-
sage [
Service due
] or [
Air filter
] is displayed on
the electronic control unit.
Checking the air filter
1. Switch main switch OFF and secure to prevent
switching back on.
2. Open the enclosure, create access.