15
(1)
(2)
(1)
(2)
ADJUSTMENT OF IDLE SPEED
When it is necessary to adjust the idle speed, perform it by the carburetor adjusting screw.
CHECKUP OF IDLE SPEED
– Set the idle speed to 2,800 min
-1
.
If it is necessary to change the idle speed, use a phillips head screw driver on
the screw.
– To increase the idle speed, turn the adjusting screw clockwise.
To reduce the idle speed, turn the adjusting screw counterclockwise.
– The carburetor is factory adjusted. However, after several use the idle speed
need to be re-adjusted.
STOPPING
1) Release the throttle lever (1) fully.
2) When the engine revolution becomes lowered,
set the I-O switch (2) to STOP position.
CAUTION:
Be aware that the cutting head may not stop
immediately.
Allow it to slow down fully.
EM3400U
STOP
EM3400L
STOP
CAUTION:
The cutting tools shown in the illustration are not to be sharpened.
Manual resharpening will result in imbalances of the cutting tool
causing vibrations and damage to the equipment.
NOTE: To increase the service life of the cutter blade, it may be turned over
once, until both cutting edges have become blunt.
RESHARPENING THE CUTTING TOOL
NYLON CUTTING HEAD
The nylon cutting head is a dual line trimmer head that has bump & feed
mechanism.
The nylon cutting head feeds out the nylon cord after tapping the trimmer head
on the ground.
Operation
– Increase the nylon cutting head speed to approx. 6,000 min
-1
.
Bump the nylon cutting head lightly on the ground.
– The most effective cutting area is shown by the shaded area.
– If the nylon cord does not feed out, rewind/replace the nylon cord by following
the procedures described under “Replacing the nylon cord.”
Most effective cutting area
