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Maintenance
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 knobs holding the filter cover in place and
remove it.
3 Remove the air filter cover.
4 Lift out the air filter cartridge from the fan housing.
5 Remove the foam rubber prefilter which is placed around
the filter cartridge and clean using a mild detergent.
Dry the pre-filter properly.
6 Refit the prefilter on the filter cartridge.
7 Slide the filter onto the air hose.
8 Push the filter cartridge in place.
9 Refit the air filter cover.
Replacement of fuel filter
Replace the fuel filter every 100 running hours (once per
season) or more frequently if it is clogged.
Replace the filter as follows:
1 Open the engine cover.
2 Remove the protective cover by unscrewing the screws.
3 Move the hose clips away from the filter. Use a pair of flat
pliers.
4 Pull off the filter from the hose ends.
5 Press the new filter into the ends of the hoses. If
necessary apply liquid detergent to the ends of the filter to
facilitate connection.
6 Push the hose clips back on the filter and tighten.
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.
IMPORTANT INFORMATION
Do not use compressed air to clean the paper filter.
Do not oil the paper filter. They must be fitted dry.