KAESER KOMPRESSOREN SX, Service Manual, Page: 76 / 122

1. Have an oil receptacle ready.
2. With the shut-off valve closed, insert the male hose fitting
6
into the hose coupling
2
.
3. Place the 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
2
and unplug the male hose fitting.
➤ Dispose of used oil in accordance with environmental protection regulations.
Filling with oil
1. Slowly unscrew the filler plug
4
(see illustration 24).
2. Fill with cooling oil.
3. Check the filler plug and ring seal for damage and screw the plug back in again.
Start the machine and carry out a trial run
1. Close all access doors, replace and secure all removable panels.
2. Open the user's shut-off valve between the machine and the compressed air network.
3. Switch on the power supply and reset the maintenance interval counter.
4. Start the machine and check the oil level again after about 10 minutes, topping up if necessary.
5. Switch off the machine and check visually for leaks.
10.15 Changing the oil filter
The machine must be isolated from the compressed air network and completely vented before
undertaking any work on the pressure system.
All the cooling oil has run out of the filter 1–2 minutes after shutting down. A cooling oil receptacle is
not needed.
Material Spares
Cleaning cloths
Precondition The supply disconnecting device is switched off,
the device is locked off,
a check has been made that no voltage is present.
The machine is fully vented, the pressure gauge on the oil separator tank reads 0 bar.
WARNING
There is risk of burns from hot components and oil.
➤ Wear long-sleeved clothing and gloves.
10 Maintenance
10.15 Changing the oil filter
66
Service Manual Screw Compressor
SX SIGMA CONTROL BASIC
9_6919 04 E