KAESER KOMPRESSOREN CSD 82, Service Manual

Page: 69 / 126

Maintenance
10 --- 61
Close the shut ---off valve (10) in the venting line.
Start the machine in idle and watch the oil separator tank pressure gauge (2) until it
reads 3 ---5 bar.
Switch the machine off.
Switch off and lock out the main supply isolator.
Wait at least two minutes for oil to flow back to the separator tank.
Alternative: Oil changing with help from an external pressure source
Pre --- condition: Machine switched off.
Mains isolator locked off
Machine fully vented (no pressure).
Pressure gauge on the oil separator tank indicates zero.
External source of compressed air available.
Close the shut ---off valve (10) in the venting line.
With the shut ---off valve closed, insert the male hose fitting (6) into the hose coupl-
ing (3).
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.
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 the oil container ready.
With the shut ---off valve closed, insert the male hose fitting (6) into the hose coupl-
ing (9).
Place the end of the maintenance hose in the oil container and secure it in place.
Open the shut ---off valve (11).
Open the shut off valve (7) in the maintenance hose slowly and close when air es-
capes.
Close the shut ---off valve (11) and unplug the hose.