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Maintenance
Checking the fuel pump’s air filter
Check regularly that the fuel pump’s air filter is free from dirt.
The filter can when necessary be cleaned with a brush.
• Remove the screws and open the pump, no hoses need
be removed.
• Replace the pump on the console.
Checking the transmission’s air
intake
Check that the transmission’s air intake in not blocked.
Remove the transmission cover and clean any grass cuttings
from the transmission’s cooling fins if necessary.
Cooling is impaired if the air intakes are blocked or the
transmission housing is dirty, this can result in damage to the
transmission.
Replacing the air filter
If the engine seems to lack power or does not run smoothly
this may be because the air filter is clogged. It is therefore
important to replace the air filter at regular intervals (see
Maintenance/Maintenance Schedule for the correct service
interval).
Replace the air filter as follows:
1 Open the engine cover.
2 Loosen the two fasteners holding the filter cover and
remove it.
3 Remove the filter cartridge from the filter housing.
4 Clean the filter by knocking the filter carefully against a
hard surface and blowing with compressed air from inside.
Never brush the dirt away. Replace the air filter if it is very
dirty.
PF 21 and PF 21 AWD have an additional filter located
behind the filter cartridge. Clean the filter by knocking it
with care against a hard surface. Do not use compressed
air for this filter.
5 Replace the filter cartridge. Make sure the filter cartridge
is correctly fitted over the air intake in the filter housing.
6 Replace the air filter cover, ensure that the particle
collector is facing downwards.
!
WARNING! The exhaust system is hot. Let it
cool before starting to replace the air filter.
IMPORTANT INFORMATION
Never run the engine without the air filter fitted.
The filters must not be oiled. They must be fitted dry.