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The engine must return to idle speed whenever the throttle lever is released. Idle speed is adjustable, and must be set low enough to permit the engine clutch to disengage the cutters.
Idle Speed Adjustment
1.Start the engine, and then allow it to idle
2.If the cutters move when the engine is at idle, reduce idle speed by turning the idle adjustment screw counterclockwise.
3.If a tachometer is available, adjust idle. Check Specifications page for correct idle speed.
4.Carburetor fuel mixture adjustments are preset at the factory and cannot be adjusted or serviced in the field.
WARNING!
The cutters must NEVER engage at engine idle speeds! If the idle speed can- not be adjusted by the above procedure, return the trimmer to your Shindaiwa dealer for inspection.
Idle Adjustment Screw
Figure 10
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 and apply a light coating of oil to all metal surfaces.
■■Drain all the fuel from the carburetor and 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.
CAUTION!
Gasoline stored in the carburetor for extended periods can cause hard starting, and could also lead to increased service and maintenance costs.
IMPORTANT!
All stored fuels should be stabilized with a fuel stabilizer such as
NOTE:
Damage resulting from stale or contami- nated fuel is not covered by the Shindaiwa warranty policy.
■■Remove the spark plug and pour about 1/4 oz. of engine 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.
■■Before storing the unit, repair or replace any worn or damaged parts.
■■Remove the air cleaner element from the carburetor and clean it thor- oughly with soap and water. Let dry and reassemble the element.
■■Store the unit in a clean,
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