6. Remove the gasket at the tank floor of the oil separator tank.
7. Dispose of the old gasket.
Result Cooling oil drains.
Draining the cooling oil from the airend
For more convenience, an oil drain valve has been installed for draining cooling oil from the airend.
Remove the protective cap prior to draining oil. The cap protects the oil drain valve from contami‐
nation. Drain the oil by screwing the hose coupling on the oil drain valve.
Machine status
Protective cap
Hose coupling
Oil drain valve
status
1
Mode
(machine runs)
connected
is supplied with
the machine as
accessory.
closed
2
Oil drain
(Machine de-
commissioned)
removed
connected
open
Tab. 95 Oil drain valve
Fig. 46 Draining the compressor cooling oil
1
Hose coupling
2
Compressor block
3
Oil drain valve
4
Protective cap
5
Inlet valve
6
Bung
1. Position a receptacle beneath the airend (accessible through a hole in the floor panel).
2. Feed the free end of the hose through the opening in the floor panel.
3. Suspend and fasten the free end of the hose in the receptacle.
4. Turn and detach the protective cap
4
of the oil drain valve.
5. Screw the hose coupling
1
onto the oil drain valve
3
.
Result Cooling oil drains.
10 Maintenance
10.4 Compressor Maintenance
No.: 9_9548 22 HCE
Operating Manual Portable Rotary Screw Compressor
MOBILAIR M27 PE
127
