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:
1Open the engine cover.
2Loosen the knobs holding the filter cover in place and remove it.
3Remove the air filter cover.
4Lift out the air filter cartridge from the fan housing.
5Remove the foam rubber prefilter which is placed around the filter cartridge and clean using a mild detergent.
Dry the
IMPORTANT INFORMATION
Do not use compressed air to clean the paper filter.
Do not oil the paper filter. They must be fitted dry.
6Refit the prefilter on the filter cartridge.
7Slide 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:
1Open the engine cover.
2Remove the protective cover by unscrewing the screws.
3Move the hose clips away from the filter. Use a pair of flat pliers.
4Pull off the filter from the hose ends.
5Press the new filter into the ends of the hoses. If necessary apply liquid detergent to the ends of the filter to facilitate connection.
6Push 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.
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