Husqvarna TC 112 Operator's Manual page 26

4. Move the hose clips away from the fuel filter with a
pair of flat pliers.
5. Pull the fuel filter from the hose ends. A small
quantity of fuel can leak.
6. Push the new fuel filter into the hose ends. Apply
liquid detergent to the ends of the fuel filter to make
the connection easier.
7. Push the hose clips against the fuel filter.
To clean and replace the air filter
1. Open the engine cover.
2. Loosen the knobs that hold the air filter cover and
remove the cover.
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3. Remove the air filter cartridge from the filter housing.
4. To clean the foam air filter, do the steps that follow.
a) Remove the foam air filter from the air filter
cartridge.
b) Clean the foam air filter with a weak detergent.
c) Let the foam air filter become dry.
d) Install the foam air filter around the air filter
cartridge.
5. To clean the paper air filter, do the steps that follow.
a) Hit the paper air filter against a hard surface.
b) Blow with compressed air from the inner side of
the paper air filter.
CAUTION:
does not become clean, the paper air
filter must be replaced.
6. Install in the opposite sequence.
To examine and replace a spark plug
1. Open the engine cover.
2. Remove the spark plug cap and clean around the
spark plug.
3. Remove the spark plug with a spark plug wrench.
4. Examine the spark plug. Replace it if the electrodes
are burned or if the insulation has cracks or
damages. If the spark plug is not damaged, clean
it with a steel brush.
If the paper air filter
1903 - 004 - 18.12.2023