➤ 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. 32 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
Fig. 33 Cleaning the filter element
1
Compressed air gun with blast pipe bent to 90° at the end
2
Filter element
1. Press both spring flaps together, lift the cap and remove the filter element.
2. Carefully clean the inside of the housing, the cover and sealing faces with a damp cloth.
3. Cleaning the filter element:
■ Use dry compressed air (≤ 5 bar!) at an angle to blow dust from the filter element from in‐
side to outside until no further dust develops.
■ The blast pipe must be long enough to reach the bottom of the element.
■ The tip of the blast pipe should not be allowed to touch the element.
■ Clean sealing faces.
10 Maintenance
10.3 Drive engine maintenance
No.: 9_9548 22 HCE
Operating Manual Portable Rotary Screw Compressor
MOBILAIR M27 PE
107
