Fig. 40 Maintenance indicator
1 Maintenance indicator
2 Indicator piston
3 Red zone indicator scale
4 Reset knob
➤ Check the air filter maintenance indicator.
If the yellow piston reaches the red zone, clean or renew the filter element.
Cleaning the air filter:
The dust evacuator valve must be at the bottom. The dust evacuation valve 2 is on the filter cap.
Fig. 41 Engine air filter maintenance
1 Filter cap
2 Dust evacuating valve
3 Drain slit
4 Valve part
5 Spring retaining flap
6 Filter housing
7 Maintenance indicator
8 Filter element
10 Maintenance
10.3 Engine maintenance
114
Operator Manual Screw Compressor
M27
No.: 9_9548 05 USE