43
Maintenance
Conditions The generator is switched off.
The engine is cooled down sufficiently.
A new air filter insert is ready to use.
Fig. 9-3 Air filter behind the maintenance flap (removed)
Change the air filter
insert
1. Loosen the three large screws so that you can remove the cover on the main-
tenance side and access the air filter housing.
2. Undo the fastening screw and pull off the air filter cover .
3. Remove the air filter insert and decide after making an appraisal:
a) in a case of minor soiling remove loose dirt particles from the air filter in-
sert.
b) in a case of strong soiling use a new air filter insert.
4. Clean the air filter housing and cover, in this case in particular the suction
opening.
5. Protect your hands from contact with engine oil.
6. Apply a few drops of new engine oil to the cleaned or new air filter insert.
7. Knead the air filter insert in order to distribute the oil evenly into the foam.
8. Wring out the air filter insert strongly afterwards to remove excessive oil.
9. Insert the air filter insert into the air filter housing.
10. Carefully place the air filter cover on the air filter housing and fasten it on
using the screw .
11. Refit the cover and tighten up the three screws to hold it in place.
12. Dispose of a soiled air filter insert according to regulations.
Maintenance of the air filter is complete.
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