Fig. 38 Cleaning the dust evacuator valve
1
Filter cap
2
Dust evacuator valve
➤ Squeeze the rubber lips on the valve.
The evacuator outlet opens.
Coarse dirt particles and accumulated dust are expelled.
Checking the air filter contamination level:
Air filter maintenance is required when the yellow piston inside the maintenance indicator reaches
the red zone.
Fig. 39 Engine air filter maintenance
1
Maintenance indicator
2
Red zone, indicator scale
3
Indicating piston of the maintenance indi‐
cator
4
Reset knob of the maintenance indicator
5
Filter element (main filter element)
6
Retaining clip
7
Filter cap
8
Safety element
➤ Check the air filter maintenance indicator.
If the yellow piston has reached the red zone: Clean or replace the filter element.
10 Maintenance
10.4 Drive engine maintenance
110
Operator Manual Portable Rotary Screw Compressor
MOBILAIR M58utility SIGMA CONTROL SMART
No.: 901779 08 USE