honda-power-equipment hht31s ユーザーズマニュアル

Adding Fuel Stabilizer to Extend Fuel Storage 
Life
When adding a fuel stabilizer, fill the fuel tank 
with fresh gasoline. If only partially filled, air in the 
tank will promote fuel deterioration during 
storage. If you keep a container of gasoline for 
refueling, be sure that it contains only fresh 
gasoline.

Add fuel stabilizer following the manufacturer's 
instructions.

After adding a fuel stabilizer, run the engine 
outdoors for 10 minutes to be sure that treated 
gasoline has replaced the untreated gasoline in 
the carburetor.

Draining the Fuel Tank and Carburetor
Disconnect the spark plug cap. Make sure the 
ignition switch is in the STOP (O) position.

Drain the fuel from the fuel tank to a suitable 
container. Press the primer bulb a few times to 
draw any remaining fuel out of the carburetor, 
then drain this fuel from the tank.

Engine Oil
Change the engine oil (see page 26).

Carburetor & Air Cleaner
Clean the air filter (see page 27) and move the 
choke lever to the CLOSED position.

Blade
If a blade is installed, put the blade cover on the 
blade.

Engine Cylinder
Remove the spark plug (see page 37). Pour a 
1/4 tablespoon (1 ~ 3 cc) of clean engine oil into 
the cylinder. Pull the starter rope several times to 
distribute the oil in the cylinder. Reinstall the 
spark plug. Pull the starter rope slowly until 
resistance is felt then return the starter grip 
gently. This closes the valves so moisture cannot 
enter.

If your trimmer will be stored with gasoline in the 
fuel tank and carburetor, it is important to reduce 
the hazard of gasoline vapor ignition. Select a 
well-ventilated storage area away from any 
appliance that operates with a flame, such as a 
furnace, water heater, or clothes dryer. Also avoid 
any area with a spark-producing electric motor, or 
where power tools are operated.

If possible, avoid storage areas with high 
humidity, because that promotes rust and 
corrosion.

With the engine and exhaust system cool, cover 
the trimmer to keep out dust. A hot engine and 
exhaust system can ignite or melt some 
materials. Do not use sheet plastic as a dust 
cover. A non-porous cover will trap moisture, 
promoting rust and corrosion.

Check your trimmer as described in the BEFORE 
OPERATION chapter of this manual.

If the fuel was drained during storage 
preparation, fill the tank with fresh gasoline. If you 
keep a container of gasoline for refueling, be sure 
that it contains only fresh gasoline. Gasoline 
oxidizes and deteriorates over time, causing hard 
starting.

If the cylinder was coated with oil during storage 
preparation, the engine will smoke briefly at 
startup. This is normal.