The blades have a slot around screw
②
. In case you find dust in the end of
any of the slots, clean it.
11
Checking and adjusting the idling speed
The cutting blade should not run when the control lever is
fully released
-
Idle speed should be set to 2,600 rpm.
If necessary, correct it by means of the idle screw (the
cutting blade must not run when the engine is on idle).
z
Clockwise for faster rate of revolution
z
Counter-clockwise for slower rate of revolution.
Check that there is sufficient difference between
idling and clutch engagement speed to ensure
that the cutting tool is at a standstill while the
engine is idling. (if necessary, reduce idling speed
If the tool still continues to run under the idling
conditions, consult your nearest authorized
service agent.
z
The clutch should engage at minimum 3,250 rpm.
z
Check the functioning of the STOP switch, the
lock-off lever, the control lever, and the lock
button.
Cleaning of air cleaner – Every 8 hours (Daily)
-
Remove the air cleaner cover
-
Push the choke lever up (arrow), to prevent dirt
particles from entering the carburetor.
-
Take out the sponge element, wash it in lukewarm
water and dry it completely.
-
After cleaning, put back the sponge element and the
air cleaner cover.
NOTE: If there is excessive dust or dirt adhering
to the air cleaner, clean it every day. A clogged air
cleaner may make it difficult or impossible to start
the engine or increase the engine rotation speed
which could cause damage.
Checking the spark plug – Every 8 hours (Daily)
-
Only use the supplied universal wrench to remove
and install the spark plug
-
The gap between the two electrodes of the spark plug
should be 0.6 to 0.7 mm. If the gap is too wide or too