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Fig. 42 Engine air filter maintenance
1
Maintenance indicator
2
Red zone indicator scale
3
Indicating piston of the maintenance indi‐
cator
4
Reset knob maintenance indicator
5
Filter element
6
Retaining clip
7
Filter cap
Fig. 43 Cleaning the filter element
1
Compressed air gun with blast pipe bent to 90° at the end
2
Filter element
➤ Open both doors.
Checking the contamination level of the air filter
Air filter maintenance is necessary when the yellow piston inside the maintenance indicator rea‐
ches the red zone.
➤ Check the air filter maintenance indicator.
If the yellow piston reaches the red zone, Clean or renew the filter element.
Cleaning the air filter:
1. Release the retaining clamps, lift off the cap an extract the air filter.
2. Carefully clean the inside of the housing, the cover and sealing faces with a damp cloth.
10 Maintenance
10.4 Engine maintenance
110
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
No.: 901765 05 USE