5.4.2. Air cleaner maintenance
It is best to clean the filter cartridge(two pcs. on
four-cylinder engines) only when the mainte-
nance indicator displays the appropriate signal.
Apart from this, the cartridge should be renewed
after 500 hours of operation.
Removing the air filter cartridge
(on 2..4 L 41. engines)
– Take off the capsule hood. chap. 2.
– Remove dirt adhering in the region of the air
cleaner housing.
44
– Slacken of screws „1“ only sufficiently to en-
able the complete air cleaner housing to be
lifted off.
– Cover the opening in the intake pipe so that
nor dirt or other forein bodies can enter.
45
– After this, open the air cleaner housing and
take out element „3“.
With 3-cyl. engines the cover „2“ is additional-
ly fixed with clamp „7“.
– Clean the housing and the cover.
Spacer „5“ is attached to screw „1“ by flexible
bushing „6“, so that it cannot drop into the in-
take pipe during dismantling and assembly work.
– If the spacer is loose, renew bushing „6“
Removing the air filter cartridge
(on 2..4 M 41 engines)
46
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