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English
Caution:
Bear in mind that it will take a while for the oil to fully descend into the
crankcase. Make sure you leave small intervals when filling the oil so that the
dipstick gives the correct oil level reading. Oil shortages cause severe, irrepara-
ble engine damage. (This type of defect is not covered under warranty).
11.4.3. Cleaning the air filter
• The type of air filter depends on the engine brand and type.
• The air filter is located under the black protection cover next to the fuel reservoir on the en-
gine.
• Release the black protective cover by loosening the screw on the top side.
• There are two types of filters. In addition to the common sponge filter, there is a paper filter,
similar to that on a car.
• Loosen the attachment bolt at the top of the filter cartridge so that you can remove it.
Caution:
When removing the air filter, always make sure that no objects can fall
into the opening of the carburettor. As a precaution, cover it with a clean piece
of paper.
• Sponge filters can be cleaned by rinsing them with some petrol and blowing them with com-
pressed air.
• Paper filters are cleaned by dusting them down or cleaning with compressed air.
• If the air filter is too dirty, it should be replaced. Contact the engine manufacturer's service
centre and order the original replacement air filter there.
Please note:
Always make sure that the filter cartridge fits nicely in its place. It is important
to make sure there is no gap through which unfiltered air can enter the engine. Dirty air in the
engine will result in irreversible engine damage!
• After cleaning, return all parts to their original positions.
Caution:
In the event the machine has toppled over for some reason, check the
air filter immediately. The tilted position of the engine may have caused oil to
seep from the crankcase via the carburettor onto the air filter. Oil on the filter
paper obstructs the air passage. Soiled filters must be replaced immediately.
11.4.4. Checking and setting the depth control
CORRECT DEPTH SETTING = MAXIMUM EFFICIENCY
(read § 9.2.1; page 22)
Summary of Contents for C550 ZR
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