– Always renew the fuel filter. Note the arrows
indicating the correct direction of flow.
– Secure the filter to its mount.
– Fill the fuel tank with diesel fuel; Chapter 4.1.3.
Air is vented from the fuel system automati-
cally.
– Check the fuel filter and lines for leaks after a
short test run.
5.4.2. Air cleaner maintenance
The filter cartridge should only be cleaned when
the maintenance lamp lights at maximum speed,
Chap. 5.2.3.
However, the filter cartridge should always be re-
placed after 500 operating hours at the latest.
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– Remove the air cleaner cover.
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– Unscrew and remove knurled nut „1“ and take
off air cleaner element „2“.
– Clean the filter compartment and the cover.
Dirt and other foreign bodies must not be
allowed to enter the engine’s air inlet points.
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– On versions with a mechanical air cleaner
service indicator, check the condition and
cleanliness of valve plate „1“.
– The filter cartridge should either be renewed
or, depending upon the degree of contamina-
tion, cleaned, or checked, as follows:
1
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