Fig. 26 Changing the oil filter
1
Oil filter
2
Direction to unscrew
3
Oil separator cartridge
Changing the oil filter
1. Unscrew the oil filter 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 oil according to environmental protec‐
tion regulations.
Starting the machine and carrying out a trial run
1. Close the enclosure.
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. After approx. 10 minutes of operation: Check the cooling oil level and top off if necessary.
5. Switch off the machine and visually check for leaks.
10.13 Changing the oil separator cartridge
The machine must be isolated from the compressed air network and completely vented be‐
fore undertaking any work on the pressure system.
The life of the oil separator cartridge is influenced by:
■ Contamination in the air drawn into the compressor,
■ Adherence to the changing intervals for:
─ Cooling oil
─ Oil filter
─ Air filter
10 Maintenance
10.13 Changing the oil separator cartridge
72
Operator Manual Screw Compressor
AIRTOWER 3C–7.5C Tri-Voltage
9_6917 34 USE