All the cooling oil has run out of the separator cartridge 1–2 minutes after shutting down. A cooling
oil receptacle is not needed.
Material Spare parts
Cleaning cloths
Precondition The power supply disconnecting device is switched off,
The device is locked off,
A check has been made that no voltage is present.
The machine is completely vented at atmospheric pressure, the pressure gauge on the oil separa‐
tor tank reads 0 psig.
There is risk of burns from hot components and oil!
➤ Wear long-sleeved clothing and protective gloves.
Fig. 27 Changing the oil separator cartridge
1 Oil filter
2 Direction to unscrew
3 Oil separator cartridge
Changing the oil separator cartridge
1. Unscrew the oil separator cartridge counterclockwise and wipe off any drops of oil.
2. Lightly oil the new filter's gasket.
3. Turn the oil filter clockwise by hand to tighten.
➤ Dispose of parts and material contaminated with cooling oil according to environment
protection regulations.
Starting the machine and carrying out a trial run
1. Replace the enclosure cover.
2. Open the user's shut-off valve between the machine and the air distribution network.
3. Switch on the power supply and reset the maintenance interval counter.
4. Start the machine and run it for 10 minutes, then stop it and visually check for leaks.
10 Maintenance
10.13 Changing the oil separator cartridge
9_6917 34 USE
Operator Manual Screw Compressor
AIRTOWER 3C–7.5C Tri-Voltage
73
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