Instruction book
2920 1472 03
54
5 SERVICING PROCEDURES
5.1 Air filter (AF-Fig. 1.3)
5.1.1 Recommendations
1.
Never remove the element while the compressor is running.
2.
For minimum compressor down-time, replace the dirty element by a new one.
3.
Discard the element when damaged.
5.1.2 Servicing
1.
Stop the compressor and switch off the voltage.
2.
Remove the air filter cover and remove the filter element.
3.
Clean the cover. Discard the filter element.
4.
Install a new element and the cover.
5.
After carrying out the service actions of the related service plan, the service warning must be
reset. See also section 4.1.
5.2 Oil and oil filter change (Fig. 3.3)
1.
Run the compressor until warm.
2.
Stop the compressor and switch off the voltage.
3.
Remove filler plug (FC). Drain the compressor sump by opening drain valve (Dmo). Close
the valve after draining.
4.
Remove the oil filter (OF). Clean the filter seat, oil the gasket of the new filter and screw it into
place until the gasket contacts the seat. Then tighten by hand.
5.
Fill the compressor sump to the middle of the oil level sight-glass (SG) with oil as specified in
section 4.3. Reinstall the filler plug.
6.
Switch on the voltage.
7.
Run the compressor for a few minutes. Stop the compressor. If necessary, top up the gear
casing with oil to the middle of the sight-glass (SG).
8.
After carrying out the maintenance operations of the related service plan, the service warning
must be reset. See also section 4.1.
5.3 Safety valves
Testing
The valves can be tested on a separate compressed air line. If a valve does not open at the pressure
specified in section 7.2, consult Atlas Copco.
Warning
Never run the compressor without safety valves.
No adjustments are allowed.
