Fig. 68 Central compressor oil drainage
1
Oil filler plug
2
Oil separator tank drain connection
3
Oil cooler drain connection
4
Screw plug
5
Drain valve (ball)
6
Drain hose
1. Open both doors.
2. Remove the plug
1
from the oil separator tank filling port.
Draining the oil from the separator tank:
1. Place the oil receptacle below the oil separator tank drain point
2
.
2. Remove the plug, open the shut-off valve and collect the oil.
3. Close the valve and replace the plug with sealing ring.
Draining the oil from the cooler:
1. Place the oil receptacle below the oil cooler drain point
3
.
2. Remove the plug, open the shut-off valve and collect the oil.
3. Close the valve and replace the plug with sealing ring.
Performing final work steps:
1. Replace the plug
1
in the oil separator tank filling port.
2. Close the doors.
Dispose of used oil and oil-contaminated working materials according to environmental pro‐
tection regulations.
Further information See chapter 10.5.2 for oil filling.
10 Maintenance
10.5 Compressor
No.: 9_9425 01 E
Service Manual Screw Compressor
M170 SIGMA CONTROL MOBIL
129
