Long Term Storage
Whenever the unit will not be used for 30 days or longer, use the following procedures to prepare it for storage:
■Clean external parts thoroughly.
■Drain all the fuel from the fuel tank.
IMPORTANT!
All stored fuels should be stabilized with a fuel stabilizer such as 
oil with fuel stabilizer is not used.
To remove the remaining fuel from the fuel lines and carburetor and with the fuel drained from the fuel tank.
1.Prime the primer bulb until no more fuel is passing through.
2.Start and run the engine until stops running.
3.Repeat steps 1 and 2 until the engine will no longer start.
CAUTION!
Gasoline stored in the carburetor for extended periods can cause hard start- ing and could also lead to increased service and maintenance costs.
■Remove the spark plug and pour about 1/4 ounce of
Slowly pull the recoil starter 2 or 3 times so oil will evenly coat the interior of the engine. Reinstall the spark plug.
■Before storing the unit, repair or re- place any worn or damaged parts.
■Remove the air cleaner element from the carburetor and clean it thoroughly with soap and water. Let dry before reinstalling the element.
■Store the unit in a clean,
Blade Sharpening
When the blade’s cutting edges become slightly dull, they can be re- sharpened with a few strokes of a file. In order to keep the blade in balance, all cutting edges must be sharpened equally.
Shindaiwa Tornado Blade
To sharpen the cutters on a Shindaiwa Tornado Blade, use a
WARNING!
Sharpen the cutting teeth only. DO NOT alter the contour of the blade in any way.
Round
File
Filing Direction
30°
Figure 32
Multiple-tooth Circular Blade
Use a round file to maintain a radius of 0.04 to 0.06" (1 to 1.5 mm) at the base of each tooth. Cutting edges must be offset equally on each side.
Round
File
Filing Direction
MAINTENANCE
Figure 33
15