KAESER SK Series, Operating Manual

Page: 82 / 132

Draining the oil from the separator tank
Contact KAESER SERVICE if condensate is detected in the cooling oil.
It is necessary to adapt the airend discharge temperature to individual ambient conditions.
Precondition Cut-off the electrical power supply via the power supply isolating device,
ensure that the device is locked off,
verify the absence of any voltage.
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 cooling oil 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. 29 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
.
5. Slowly open the shut-off valve
7
and allow cooling oil and air to escape completely until the
pressure gauge reads 0 bar.
6. Close the shut-off valve
3
and unplug the male hose fitting.
➤ Dispose of used oil in accordance with environment protection regulations.
10 Maintenance
10.16 Changing the cooling oil
72
Operating Manual Rotary screw compressor
SK
901848 21 E