2G40, 2G40 H Maintenance
HATZ
71Operator’s Manual
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. Use an air gun
with an extension tube with the end bent by approx. 90°. The
end of the extension tube must not touch the filter paper.
2 Check the sealing lip (7) 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.
2 After the filter is mounted, unlock the visible red field (2) on the
maintenance display (if installed) by pressing the reset button
(3) (see chapter 7.8 Check the air filter warning indicator (op-
tion), page 48).
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