Maintenance 3-4L43C, 3-4M43, 3-4M43Z
68
HATZ
Manual
Overview — Checking/cleaning the air filter cartridge
Pos. Designation
1 Sealing surface
Step Activity
Dry contamination
1 Blow out the filter cartridge with dry compressed air from the in-
side to the outside until dust no longer emerges.
2 Check the sealing surfaces (2) of the filter cartridge for damage.
3 Check the filter cartridge for cracks in the filter paper and other
damage by holding it against the light at a slant or letting light
from a lamp shine through it.
4 Replace the filter cartridge if necessary (see note).
Moist or oily contamination
1 Renew the filter cartridge.
Procedure — Mounting the air filter cartridge
Step Activity
1 When assembling, mount the parts individually one after the
other to make sure they are correctly seated and to ensure leak
tightness.
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