MTD H15 Manual Del Usaurio página 14

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Holding the lawn trimmer
Before using the unit, place
yourself in the operating position
(Fig. 12). Check the following:
– The user is wearing eye protec-
tion and the correct clothing.
– The shoulder strap has been
set to the correct height.
– The hand grip has been correctly
adjusted so that you can grip it
with your hand without having to
extend your arm.
– The unit is below waist height.
– Hold the cutting attachment
parallel to the ground so that
the vegetation to be cut can
easily be reached without the
user having to bend forward.
Setting the length
of the trimmer line
(depending on model)
You can release the trim line with
the bump knob cutting attachment
without stopping the engine.
To release more line, tap the
cutting attachment on the ground
(Fig. 13) while running the lawn
trimmer at a higher speed.
Note
The trim line should always
be at max. length.
The shorter the trim line becomes,
the more difficult it is to release.
Each time the head is bumped,
approx. 25 mm of cutting line are
released. A blade in the cutting
attachment cover cuts the line back
to the correct length if too much line
is released.
It is best to bounce the bump head
on bare ground or hard earth.
If you attempt to release the trim
line in tall grass, the engine may
stall. Always keep the trim line fully
extended. The shorter the trim line
is, the more difficult it is to release.
Note
Do not run the bump head along
the ground.
The line may break by:
– becoming entangled with foreign
objects,
– normal material fatigue,
– attempting to cut thick-stalked
weeds,
10
– striking walls, garden fences, etc..
Tips for best trim results
– Keep the cutting attachment
parallel to the ground.
– Use only the tip of the line for
cutting, especially along walls.
If more than the tip is used for
cutting, the cutting capacity
is reduced and the engine may
overload.
– Cut grass which is taller than
20 cm from the top down in small
stages to prevent premature
wear of the line and engine
resistance.
– If possible, cut from left to right.
Cutting to the right improves
the cutting capacity of the unit.
Grass clippings are then ejected
by the user.
– Slowly move the lawn trimmer
at the required height in and
out of the cutting area.
Walk either forwards and back-
wards or from side to side.
Better results are achieved
by cutting shorter pieces.
– Cut dry grass and weeds only.
The service life of the cutting line
depends on the following:
– following of the previous cutting
tips,
– the vegetation which is to be cut,
– where it is cut.
For example, a line wears out
more quickly if it is cutting against
a house wall than around a tree.
Decorative cutting
You will receive a decorative cut if
you cut all vegetation around trees,
posts, fences, etc.
Rotate the whole unit until you
are holding the cutting attachment
at an angle of 30° to the ground
(Fig. 14).
Working with the cutting
blade (depending on model)
Before using the unit, place your-
self in the operating position
(Fig. 12). See "Holding the lawn
trimmer".
Tips for working with the cutting
blade:
– Cut rhythmically.
Operating manual
– Stand firmly but comfortably
on the ground.
– Before you start cutting, set
the unit to full speed.
At full speed the blade has
maximum cutting force and will
therefore not jam so easily, stick
or cause blade impacts which
may result in serious injury
to the user or other persons.
– When cutting, move the upper
part of your body from right
to left.
– Always release the throttle and
reduce the engine to no load
when you are not cutting.
– Rotate the unit in the same
direction in which the blade
is cutting. This promotes cutting.
– Move one or two steps to the
next trimming area after swinging
back the unit and stand firmly
again.
Follow these instructions to prevent
vegetation from wrapping itself
around the blade:
– Cut at full speed.
– Swing from right to left into
the vegetation which
is to be cut (Fig. 15).
– When swinging back, avoid
vegetation which has just
been cut.
Using approved accessory
equipment from the
Trimmer-Plus range
Caution
Follow all instructions in the
manuals for the Trimmer-Plus
accessory equipment.
Notes
– The Trimmer-Plus accessory
equipment is installed/removed
in the same way as described
in the section "Installing/
removing the lower drive shaft".

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