Maintenance
10 --- 69
Connect the maintenance hose to an external air supply.
Open the shut---off valve (7) until the pressure gauge on the oil separator tank reads
3---5 bar.
Close the shut---off valve (7) and withdraw the hose fitting from the coupling.
10.13.1 Draining the oil from the separator tank
Contact KAESER Service if condensate is detected in the oil.
It is necessary to adjust the airend discharge temperature to suit operating
conditions.
Have an oil container ready.
With the shut---off valve closed, insert the male hose fitting (6 in Fig. 30) into the hose
coupling (9, Fig. 30).
Place the end of the maintenance hose in the oil container and secure it in place.
Open the shut---off valve (11, Fig. 30).
Open the shut off valve (7, Fig. 30) in the maintenance hose slowly and close when air
escapes.
Close the shut---off valve (11, Fig. 30) and disconnect the hose.
10.13.2 Draining the oil from the cooler
Fig. 31 Changing the cooling oil, oil cooler
1 Oil cooler 6 Male hose coupling/fitting
2 Hose coupling (oil drain) 7 Shut---off valve
3 Shut---off valve
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