OM ET18/20/24 us 1.3 * et18_20_24w710.fm 7-37
7
7.10 Air filter
Information regarding the air filter
• Store filters in their original packaging and in a dry place.
• Check air filter attachments, air intake hoses and the air filter element
for damage, and immediately repair or replace them if necessary.
• Check the screws at the induction manifold and the clamps for
tightness.
Dirt indicator
In order to avoid damage to the diesel engine, bear in mind the
following:
► Replace the air filter elements as soon as the red mark on the
dirt indicator is displayed.
► Do not clean air filter elements, replace them.
► Do not use any damaged air filter elements.
Replace the air filter elements as soon as the red mark B is on the dirt
indicator A is displayed.
• After replacing the air filter elements, press button C to reset the red
mark B.
Fig. 253: Dirt indicator
A
B
C
Maintenance