Fig. 30 Changing the cooling oil Oil separator tank
6 Plug-in nozzle
7 Shut-off valve
8 Maintenance hose
9 Hose coupling (oil drainage)
11 Shut-off valve (oil drainage)
1. Prepare a cooling oil receptacle.
2. With the shut-off valve closed, insert the plug-in nozzle 6 into the hose coupling 9 .
3. Place the other end of the maintenance hose in the oil receptacle and secure it in place.
4. Open the shut-off valve 11 .
5. Slowly open the shut-off valve 7 in the maintenance hose and allow the condensate to drain
completely.
6. Close the shut-off valve 11 and unplug the male hose fitting.
➤ Dispose of used oil in accordance with environment protection regulations.
Draining the oil from the cooler
Fig. 31 Changing the cooling oil Oil cooler
1 Oil cooler
2 Hose coupling (oil drainage)
3 Shut-off valve
6 Plug-in nozzle
7 Shut-off valve
8 Maintenance hose
1. Prepare a cooling oil receptacle.
2. With the shut-off valve closed, insert the plug-in nozzle 6 into the hose coupling 2 .
3. Place the other end of the maintenance hose in the oil receptacle and secure it in place.
4. Open the shut-off valve 3 .
10 Maintenance
10.16 Changing the cooling oil
76
Operating Manual Screw Compressor
ASK 901824 12 E
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