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Service of the air filter
If the engine seems to lack power or goes
irregularly the reason may be that the air filter is
clogged.
It is therefore important to service the air filter at
regular intervals (see “Maintenance schedule” for
correct service interval).
1. Fold open the engine cover.
2. Unscrew the wing nut (A) on top of the air filter
and remove the cover.
3. Carefully remove the precleaner. Wash and
reoil the precleaner every 25 hours of opera-
tion. Wash the precleaner in warm water with
detergent. Rinse precleaner with clear warm
water. Squeeze water out (do not wring to avoid
tearing). Allow to dry before lightly oiling with
fresh engine oil and installing it over the paper
filter.
MAINTENANCE
6. Insert the paper filter and check that it is correct
sealed to its seat. Tighten the paper filter wing
nut and install the precleaner over the paper
filter.
7. Fit the air filter cover and tighten its wing nut.
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4. Replace the paper filter every 100 hours or if it
is clogged with dirt. Unscrew the wing nut (B)
and remove the paper filter.
IMPORTANT INFORMATION
Never use compressed air to clean the air
filters.
Paper filter should not be oiled or washed.
It should be assembled dry.
5. The paper filter may be carefully tapped on a
hard surface to remove dust. Do not try to wash
or blow it with compressed air.