Maintenance (continued)
Blade Sharpening
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.
Shindaiwa Tornado ™ Blade
To sharpen the cutters on a Shindaiwa
Tornado™ Blade, use a 7/32-inch round
file. File the leading edge of each tooth to
a razor edge. The top plate of each tooth
should angle back 30°.
WARNING!
Wear protective gloves when
handling or performing maintenance
on the blade.
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:
■
Clean external parts thoroughly.
■
Drain all the fuel from the carburetor
and the fuel tank.
IMPORTANT!
All stored fuels should be stabilized with
a fuel stabilizer such as STA-BIL, if
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.
18
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Round
File
WARNING!
Sharpen only the cutting teeth
of a blade. DO NOT alter the contour
of the blade in any way.
■
Remove 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.
■
Remove the spark plug and pour about
1/4 ounce of 2-cycle mixing oil into the
cylinder through the spark plug hole.
Slowly pull the recoil starter 2 or 3
times so oil will evenly coat the interior
of the engine. Reinstall the spark plug.
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.
27041
30°
30
0
■
Before storing the unit, repair or
replace any worn or damaged parts.
■
Remove the air cleaner element from
the carburetor and clean it thoroughly
with soap and water, let dry and reas-
semble the element.
■
Store the unit in a clean, dust-free area.
Round File