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4. Cleaning the fuel filter
• Clogged fuel filter may cause difficulty of start-up or failure of engine speed
increase.
• Check the fuel filter regularly as follows:
(1) Remove the fuel tank cap, drain the fuel to empty the tank. Check the
tank inside for any foreign materials. If any, wipe clean such materials.
(2) Pull out the fuel filter with wire through the oil filling port.
(3) If the fuel filter surface is contaminated, clean it with gasoline. The gaso-
line used for the cleaning must be disposed of according to the method
specified by each local authority. Excessively contaminated filter must be
replaced.
(4) Reset the fuel filter in the fuel tank and tighten firmly the fuel tank cap. For
replacement, contact your dealership or an authorized service agent.
5. Inspection of bolts, nuts and screws
• Retighten loose bolts, nuts, etc.
• Check for fuel and oil leakage.
• Replace damaged parts with new ones for safety operation.
6. Cleaning of parts
• Keep engine clean by wiping down with a cloth rag.
• Keep the cylinder fins free of dust or dirt. Dust or dirt adhering to the fins will
cause seizure.
• Blowing air is taken in from the air inlet net. When airflow has dropped down
during operation, stop engine and inspect the air inlet net for blocking by
obstacles.
• Such a blockage may cause overheat and damage the engine.
7. Replacement of gaskets and packings
Replace gaskets and packings if the engine is disassembled.
Any maintenance of adjustment work that is not included and described in this manual is only to be performed by Authorized Service Agent.
STORAGE
Drain fuel from the fuel tank and carburetor according to the following
procedure:
(1) Remove the fuel tank cap, and drain fuel completely.
If there is any foreign materials remaining in the fuel tank, remove it
completely.
(2) Pull out the fuel filter from the refill port using a wire.
(3) Push the primer pump until fuel is drained from there, and drain fuel
coming into the fuel tank.
(4) Reset the filter to the fuel tank, and securely tighten the fuel tank cap.
(5) Then, continue to operate the engine until it stops.
(6) Remove the spark plug, and drip several drops of engine oil through the
spark plug hole.
(7) Gently pull the starter handle so that engine oil will spread over the engine,
and attach the spark plug.
(8) Keep the machine with its handle upside.
(9) Keep the drained fuel in a special container in a well-ventilated shade.
WARNING:
Never use the blower without the net of the blower. Before each use,
check that the net is attached in place and is free from any damage.
WARNING
• When draining the fuel, stop the engine and wait for the engine to cool down.
- Failure to do so may cause burns or fire.
DANGER
• When you store the machine for a long time, drain all fuel from the fuel tank and carburetor, and keep it at a dry and clean place.
Hose clamp
Fuel filter
Fuel tank cap
Air inlet net