Maintenance (continued)
Blade Sharpening
WARNING!
Wear protective gloves when handling or performing maintenance on the blade.
When the cutting edges of the blade become dull, they can be resharpened with a few strokes of a file. In order to keep the blade in balance, all cutting edges must be sharpened equally.
WARNING!
Sharpen only the cutting teeth of a blade. DO NOT alter the contour of the blade in any way.
Shindaiwa Tornado™ Blade
Round
File
The top plate of each tooth should angle back 30°
Shindaiwa Tornado™ Blade
To sharpen the cutters on a Shindaiwa Tornado™ Blade, use a
Round
File
Maintain a radius of 0.04 to 1 to 1.5 mm (0.06”) at the base of each tooth. Cutting edges must be offset equally on each side
Multiple-tooth Circular Blade
Use a round file to maintain a radius of 0.04 to 1 to 1.5 mm (0.06”) at the base of each tooth. Cutting edges must be offset equally on each side.
Long Term Storage
Whenever the unit will not be used for 30 days or longer, use the following proce- dures to prepare it for storage:
ŶClean external parts thoroughly.
ŶDrain all the fuel from the carburetor and the fuel tank.
IMPORTANT!
All stored fuels should be stabilized with a
fuel stabilizer such as 
oil with fuel stabilizer is not used.
CAUTION!
Gasoline stored in the carburetor for extended periods can cause hard start- ing, and could also lead to increased service and maintenance costs.
ŶRemove remaining fuel from the fuel lines and carburetor with the fuel drained from the fuel tank. To do so:
1.Prime the primer bulb until no more fuel is passing through.
2.Start and run the engine until it stops running.
3.Repeat steps 1 and 2 until the engine will no longer start.
ŶRemove the spark plug and pour about 7 mL (1/4 oz.) of
ŶBefore storing the unit, repair or replace any worn or damaged parts.
ŶRemove the air cleaner element from the carburetor and clean it thoroughly with soap and water, let dry and reas- semble the element.
ŶStore the unit in a clean,
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