10.4.2 Air filter maintenance
Clean the filter according to the maintenance schedule or if the maintenance indicator shows this to
be necessary.
Renew the air filter element after 2 years or after it has been cleaned 5 times.
Material Compressed air for blowing out
Spare parts (as required)
Cleaning cloths
Precondition The machine is shut down.
The machine is fully vented, the pressure gauge reads 0 bar.
Machine cooled down.
All compressed air consumers are disconnected and the air outlet valves are open.
WARNING
Damaged air filter element
Wear in the engine from intake of contaminated air.
➤ Do not try to clean the filter element by striking it.
➤ Do not wash the filter element.
Fig. 50 Engine air filter maintenance
1
Maintenance indicator
2
Red zone
3
Indicator piston
4
Reset knob for the maintenance indicator
5
Filter element
6
Retaining clip
7
Filter cap
10 Maintenance
10.4 Engine
108
Service Manual Screw Compressor
M135 SIGMA CONTROL MOBIL
No.: 9_6975 00 E
