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11
Cleaning the Air Filter
Clean the air filter after the first 25 hours of operation and
then every 100 hours of operation thereafter. Replace the
paper air filter once every season or every 300 hours of
operation; replace it more frequently under dusty
conditions.
IMPORTANT: Do not operate the engine without the
air filter assembly; extreme engine damage will occur.
1. Stop the engine and pull the wire off of the spark plug
(Fig. 6).
2. Remove the bolt securing the air cleaner cover
(Fig. 11).
3. Remove the cover and clean it thoroughly (Fig. 11).
1
2
3
4
Figure 11
1.
Bolt
2.
Cover
3.
Paper air filter
4.
Foam pre-cleaner
4. Remove the foam pre–cleaner and wash it with a mild
detergent and water, then blot it dry (Fig. 11).
5. Saturate the pre-cleaner with oil, then squeeze it (do
not twist) to remove excess oil.
6. Remove the paper air filter and discard it (Fig. 11).
IMPORTANT: Do not try to clean a paper filter.
7. Install the foam pre-cleaner on the new paper air filter.
8. Install the air cleaner assembly.
9. Install the cover and secure it with the bolt.
Draining Gasoline and
Cleaning the Fuel Filter
Clean the fuel filter element every 50 hours of operation.
1. Stop the engine and wait for it to cool.
IMPORTANT: Drain gasoline from a cold engine only.
2. Pull the wire off of the spark plug (Fig. 6).
3. Close the fuel valve (Fig. 7).
4. Remove the fuel tube by loosening the tube clamp at
the carburetor (Fig. 12).
2
1
Figure 12
1.
Fuel tube
2.
Tube clamp
5. Open the fuel valve by turning the lever to the open
position (Fig. 7).
6. Drain gasoline completely from the tank and fuel line
into an approved gasoline container.
7. Remove the fuel tube on the fuel tank by loosening the
tube clamp (Fig. 13).
8. Remove the fuel filter from the fuel tank (Fig. 12).
2
1
Figure 13
1.
Fuel tube
2.
Fuel filter
9. Clean the fuel filter with high flash-point solvent.
10. Firmly install the filter, tubes and clamps.
Changing the Oil
Change the engine oil after the first 8 hours of operation
and after 50 hours of operation or yearly thereafter.
1. Run the engine to warm the oil.