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12
Long Term Storage
CAUTION!
Gasoline stored in the carburetor for
extended periods can cause hard start-
ing, and could also lead to increased
service and maintenance costs.
Whenever the unit will not be
used for 30 days or longer, use
the following procedures to prepare it for
storage:
n Clean external parts thoroughly.
n Drain all the fuel from the fuel tank.
IMPORTANT!
All stored fuels should be stabilized with
a fuel stabilizer such as STA-BIL™ if
Shindaiwa One 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.
n Remove the spark plug and pour
about 10 cm
3
(1/4 oz.) 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.
n Before storing the unit, repair or replace
any worn or damaged parts.
n Remove the air cleaner element from
the unit and clean it as outlined on
page 10.
n Store the unit in a clean, dust-free area.
Spark Arrester Maintenance
WARNING!
Never operate this blower with a dam-
aged or missing mufer or spark arrest-
er! Operating with missing or damaged
exhaust components is a re hazard,
and can also damage your hearing!
Hard starting or a gradual loss of perfor-
mance can be caused by carbon deposits
lodged in the spark arrester screen. For
maximum performance, the spark arrester
screen should be periodically cleaned as
follows. See Figure 16.
Mufer
Arrester
Screen
Figure 16
Arrester Screen
Cover
1. Remove engine cover to expose muffler.
Remove the spark arrester from the
muffler. The arrester is press-fit in place;
there are three screws to remove.
2. Use a plastic scraper or wire brush to re-
move carbon deposits from the arrester
screen and wipe clean exhaust base.
3. Inspect the screen carefully, and replace
any screen that has been perforated,
distorted, or is otherwise unserviceable.
4. Press the spark arrester into the ex-
haust base.
If carbon accumulation in the muffler or
cylinder are severe, or if you do not notice
an improvement in performance after
servicing, have the unit inspected by an
authorized servicing Shindaiwa dealer.
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.
3. Insert 0.10 mm (0.004 in.) feeler gauge
between valve stem tip and rocker arm.
4. Turn adjustment screw (clockwise =
tighter, counter-clockwise = looser) until
feeler gauge is almost snug. Back off
139/150-Hour Maintenance (continued)
IMPORTANT!
If new gasket is not available and/or old
gasket is not damaged, old gasket may be
reused. Never use cracked or damaged
gaskets!
just enough to allow gauge to slip out
with limited resistance.
5. While holding adjustment screw in place
with Allen driver, tighten locknut with
wrench.
6. Turn engine over several times, and
return to TDC-compression. Recheck
with proper feeler gauge to make sure
clearance adjustment did not change as
a result of tightening locknut. Readjust
as necessary.
7. Replace rocker arm cover gasket to as-
sure proper sealing and install cover.