McCulloch B428 PS Manual De Instrucciones página 12

small posts, trees or fence wire.
For mowing or sweeping, use full throttle for a good
clean job.
TRIMMING
Hold the bottom of the trimmer head about 8 cm above
the ground and at an angle. Allow only the tip of the
line to make contact. Do not force trimmer line into
work area.
SCALPING
The scalping technique removes unwanted vegetation
down to the ground. Hold the bottom of the trimmer
head about 8 cm above the ground and at an angle.
Allow the tip of the trimmer line to strike the ground
around objects such as trees, posts, and monuments.
This technique increases line wear.
MOWING
Your trimmer is ideal for mowing in places
conventional lawn mowers cannot reach. In the
mowing position, keep the trimmer line parallel to
the ground. Avoid pressing the trimmer head into the
ground as this can scalp the ground and damage the
machine.
SWEEPING
The fanning action of the rotating trimmer line can be
used for a quick and easy clean up. Keep the trimmer
line parallel to and above the surfaces being swept
and move the machine from side to side.
TRIMMER LINE ADVANCE
The trimmer line will advance approximately 5 cm
each time the bottom of the trimmer head is tapped on
the ground with the engine running at full throttle.
length allowed by the line limiter.
Always keep the shield in place when the machine is
being operated.
To advance the trimmer line:
Operate the engine at full throttle.
Hold the trimmer head parallel to and above the
grassy area.
Tap the bottom of the trimmer head lightly on the
ground one time. Approximately 5 cm of trimmer line
will be advanced with each tap.
Always tap the trimmer head on a grassy area.
Tapping on surfaces such as concrete or asphalt can
cause excessive wear to the trimmer head.
If the trimmer line is worn down to 5 cm or less,
more than one tap will be required to obtain the most