Fig. 60 Draining the engine oil, central drain point
1
Engine oil drain
2
Screw plug
3
Drain valve (ball)
4
Drain hose
5
Engine oil sump
1. Place the oil receptacle below the drain point
1
.
2. Remove the plug
2
, open the shut-off valve
3
and collect the oil.
3. Close the valve and replace the plug with sealing ring.
Dispose of old oil and oil-soaked working materials according to environmental protection reg‐
ulations.
Further information See chapter 10.4.5 for oil filling.
The engine service manual gives instructions on oil changing.
10.4.7 Changing the oil filter
Material Spares
Chain pipe wrench (part no. 8.8095.0)
Cleaning cloth
Receptacle
Precondition The machine is shut down.
The machine is fully vented, the pressure gauge reads 0 bar.
Engine cooled down.
All compressed air consumers are disconnected and the air outlet valves are open.
The «battery isolating switch» is off.
CAUTION
Danger of burns from hot components and escaping engine oil!
➤ Wear long-sleeved clothing and gloves.
10 Maintenance
10.4 Engine
No.: 9_9425 01 E
Service Manual Screw Compressor
M170 SIGMA CONTROL MOBIL
117
Option sc, si
