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RD 7
5.6
Engine Air Filter
See Graphic: wc_gr001352
5.6.1
5.6.2
WARNING
5.6.3
5.6.4
5.6.5
5.6.6
5.6.7
5.6.8
5.6.9
5.6.10 Check that the sealing surface (d) is in good condition.
wc_tx000295gb.fm
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Checking the air cleaner blockage indicator
Briefly run the engine at full speed. If the rubber bellows is pulled in and
obscures the green zone (a), clean or replace the air filter.
In dusty operating conditions, check the rubber bellows several times
per day.
Cleaning or replacing the engine air filter
The engine may be hot enough to cause burns! Allow the engine to
cool prior to servicing.
Loosen the wing nut (b) and remove it. Also remove the air cleaner
cover (c).
Note: The decompression lever will also come off.
Pull out the filter cartridge (e).
Check that the valve plate (f) for the air blockage indicator is clean and
in good condition.
Cleaning dry dirt from the filter cartridge
Blow through the filter cartridge from the inside using a compressed air
gun.
Continue until all dust has been removed.
NOTICE: Only use filtered, dry compressed air. Do not exceed an air
pressure of more than 5 bar (70 psi). Keep the nozzle at a distance of
150 mm (6 in.) from the element.
Cleaning wet or oily dirt from the filter
Change the filter cartridge.
NOTICE: Always trace and correct the cause of wet or oily
contamination of a filter element.
Checking the filter cartridge
Hold the element up to a light or pass a lamp through the middle to
check the condition of the element folds (g).
NOTICE: If there is even slight damage to the paper filter element or
the sealing surface, replace the filter cartridge.
45
Maintenance
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