36
– 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:
Cleaning the filter cartridge
Dry contamination
37
– Use compressed air to blow through the filter
cartridge from the inside outwards, until no
further dirt emerges.
Important !
The pressure must not exceed 5 bar.
Moist or oily contamination
Renew the filter cartridge.
Checking the filter cartridge
– Check filter cartridge’s gasket surface „1“ for
damage, Fig. 37.
– Check the filter cartridge for cracks or any
other type of damage to the paper filter by
holding it inclined towards the light or by
shining a light source through it.
Important !
The slightest damage to the paper filter rules
out it being used any longer.
– Re-assemble the filter cartridge in the reverse
order of work.
25
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