the blades were new, adjust them as follows
1. Turn nut ① loose.
2. Screw②in with the driver lightly till it stops turning, and then screw it back one
quarter to a half turn.
3. Turn nut ① tight, holding screw ② at the same time with a driver.
4. Lubricate the blades after adjustments above with light oil.
5. Start the engine and operate the engine throttle on and off for a minute.
6. Stop the engine and touch the blades with your hand. If they are warm enough for
you to keep your hand on, then you have made the proper adjustment. If they are
too hot for you to keep touching, give screw ② a little more turn back and repeat
5 to see if they are properly adjusted.
NOTE: Never fall to stop the engine before making the adjustment.
The blades have a slot around screw ② . In case you find dust in the end of
any of the slots, clean it.
must not run when the engine is on idle).
⚫ Clockwise for faster rate of revolution.
⚫ 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.
⚫ The clutch should engage at minimum 3,250 rpm.
⚫ Check the functioning of the STOP switch, the lock-off lever, the control lever,
and the lock button.
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