Maintenance
3Pull back the throttle to the full throttle position and check that the choke is no longer actuated.
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:
1Open the engine cover.
2Move the hose clips away from the filter. Use a pair of flat pliers.
3Pull off the filter from the hose ends.
4Press the new filter into the ends of the hoses. If necessary apply liquid detergent to the ends of the filter to facilitate connection.
5Push the hose clips back on the filter and tighten.
Replacing the air filter
WARNING! The exhaust system is hot. Let it
!cool before starting to replace 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:
1Open the engine cover.
2Loosen the knobs holding the filter cover in place and remove it.
3 Remove the filter cartridge from the filter housing.
IMPORTANT INFORMATION
Never run the engine without the air filter fitted.
Do not use compressed air to clean the paper filter.
The filters must not be oiled. They must be fitted dry.
4Remove the foam rubber prefilter which is placed around the filter cartridge and clean using a mild detergent.
5Dry the
6Clean the filter by knocking it with care against a hard surface. Do not use compressed air to clean the filter. Replace the air filter if it is still dirty.
7Refit the prefilter on the filter cartridge.
Slide the filter onto the air hose.
8 Push the filter cartridge in place.
9 Refit the air filter cover.
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.
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