– Activate mechanical oil pressure monitor
(optional extra), chap. 4.1.4.
– Run the engine briefly to check the fuel filter
and lines for leaks.
5.4.2. Dry-type air cleaner maintenance
It is best to clean the filter cartridge only when
the maintenance indicator displays the appropri-
ate signal.
Apart from this, the cartridge should be renewed
after 500 hours of operation.
– On fully encapsulated engines, take off the top
cover (see Chapter 2).
On engines with manual starting only, the de-
compression lever is also taken off when the
cover is removed.
45
– Slacken off wing bolt „1“ and remove it with
cover „2“.
46
– Carefully pull out filter cartridge „1“.
– On the version with air cleaner maintenance
indicator, check that valve plate „4“ is clean
and in good condition.
Noise reduced model
47
– Unscrew hex. nut „1“ and take off filter hous-
ing „2“.
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2393 / 1
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2
1
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1
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