Material See chapter 10.4.3 for oil filling volume.
Receptacle
Hose coupling is disconnectedly laying at the machine.
Funnel
Cleaning cloth
Precondition The machine is shut down.
The machine is standing level.
The machine is fully vented, the pressure gauge reads 0 psig.
The machine is at operating temperature.
All compressed air consumers are disconnected and the air outlet valves are open.
The negative cable to the battery is disconnected.
Risk of burns from hot components and escaping oil!
➤ Wear long-sleeved clothing and protective gloves.
➤ Open the cover.
10.4.3.1 Draining the cooling oil
All cooling oil is drained via the oil discharge valve. The oil discharge valve is positioned on the
airend and closed with a sealing cap to prevent contamination. This sealing cap must removed pri‐
or to draining the oil.
The oil can be drained when the hose nozzle has been screwed onto the oil discharge valve.
Fig. 51 Draining the compressor cooling oil
1 Hose coupling
2 Airend
3 Oil drain valve
4 Protective cap
5 Inlet valve
6 Bung (Option oe)
10 Maintenance
10.4 Compressor Maintenance
132
Operator Manual Screw Compressor
M27
No.: 9_9548 05 USE
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