10.3.2 Engine 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 at the latest or after it has been cleaned 5 times.
■ Using the engine without an air filter element is not permitted!
■ Do not use an air filter element with damaged folds or gasket.
■ The use of an unsuitable air filter can permit dirt to ingress the engine and cause prema‐
ture wear and damage.
Material Compressed air for blowing out
Spare parts (as required)
Cleaning cloth
Precondition The machine is shut down.
The machine is fully vented, the pressure gauge reads 0 bar.
The machine is cooled down.
All compressed air consumers are disconnected and the air outlet valves are open.
NOTICE
Damaged filter element.
Wear in the engine from intake of contaminated air.
➤ Do not try to clean the filter element by striking or knocking it.
➤ Do not wash the filter element.
➤ Open the canopy.
Checking contamination of the air filter
Air filter maintenance is necessary when the yellow piston inside the maintenance indicator rea‐
ches the red zone.
Fig. 31 Maintenance indicator
1
Maintenance indicator
2
Indicator piston
3
Red zone indicator scale
4
Reset knob for the maintenance indicator
10 Maintenance
10.3 Drive engine maintenance
106
Operating Manual Portable Rotary Screw Compressor
MOBILAIR M27 PE
No.: 9_9548 22 HCE
