Service Manual

c. If the idle speed has changed significantly be-
cause of steps a. and b. above, readjust the
idle speed screw.
The recommended idle speed for all products
is 3,000 to 3,200 RPM.
9. Stop the engine. Install the air filter and restart the
engine. Recheck the operation and readjust as
necessary.
10. Make sure the air filter cover is reinstalled securely
before placing the unit back into service.
Governed Carburetor Check
Some units are equipped with fuel-governed carbure-
tors. If so equipped, and after adjusting the carburetor,
check the operation of the governor on trimmers and
brush cutters as follows:
1. Clip or wind the cutting line so it is inside the
cutting head (not extended to its full cutting length).
2. Start the engine and run it at FULL (WIDE OPEN)
THROTTLE.
The maximum high speed RPM should not ex-
ceed 8,800 RPM.
3. If the high speed RPM exceeds 8,800 RPM, the
governor assembly in the carburetor must be
cleaned or replaced and the carburetor readjusted.
Storage Instructions
WARNING: Explosive Fuel!
Gasoline is extremely flammable and its vapors can
explode if ignited. Store gasoline only in approved con-
tainers, in well-ventilated, unoccupied buildings, away
from sparks or flames. Do not fill the fuel tank while
the engine is hot or running, since spilled fuel could ig-
nite if it comes in contact with hot parts or sparks from
ignition. Do not start the engine near spilled fuel.
Do not smoke while handling gasoline. Never use
gasoline as a cleaning agent.
Storage For 45 To 60 Days
Use the following storage procedure for equipment or
fuel that will be stored for more than 45 days and less
than 60 days:
Equipment - Empty the fuel tank and run the unit until
the fuel system is empty. When starting the unit after
storage, refill the fuel tank with freshly mixed gasoline
and oil.
Fuel - Do not use fuel that has been stored for more
than 60 days. Dispose of the old fuel in a safe manner
and use a fresh mix.
Storage For More Than 60 days
1. Drain all fuel from the fuel tank into an approved
fuel container.
2. Start the engine and run it until it stalls.
3. Allow the engine to cool. Remove the spark plug
and put about 1 oz. (39 ml) of any high quality mo-
tor or 2-cycle oil into the cylinder. Pull the starter
rope slowly to distribute the oil. Reinstall the spark
plug.
4. Clean the unit and inspect for any loose or
damaged parts. Repair or replace damaged parts
and tighten loose screws, nuts, or bolts.
5. Store the unit in a dry, well ventilated area.
To Reactivate Unit For Service
1. Remove the spark plug and drain the oil from the
cylinder by slowly pulling the starter rope.
2. Reinstall the spark plug.
3. Refuel the unit with a fresh gasoline /oil mixture.
Start engine in accordance with the Starting In-
structions.
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GENERAL INFORMATION
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