A locking nut is used to secure some types of
cutting attachment. When fitting, tighten the
nut in the opposite direction to the direction of
rotation of the cutting attachment. To remove
it, undo the nut in the same direction as the
cutting attachment rotates. (CAUTION! The nut
has a left‐hand thread.) Tighten the nut using
the socket spanner. The nylon lining inside
the locking nut must not be so worn that you
can turn it by hand. The lining should offer a
resistance of at least 1.5 Nm. The nut should
be replaced after it has been put on approx. 20
times.
4.8 Cutting attachment
This section describes how to choose and
maintain your cutting equipment in order to:
• Reduce the risk of blade thrust.
• Obtain maximum cutting performance.
• Extend the life of cutting equipment.
IMPORTANT. Only use cutting attachments
with the guards we recommend! Refer to
the instructions for the cutting attachment to
check the correct way to load the cord and
the correct cord diameter. Keep the teeth of
the blade correctly sharpened! Follow our
recommendations. Also refer to the instructions
on the blade packaging.
WARNING! Always stop the engine before
doing any work on the cutting attachment. This
continues to rotate even after the throttle has
been released. Ensure that the cutting
attachment has stopped completely and
disconnect the HT lead from the spark plug
before you start to work on it. Using an
incorrect cutting attachment or an incorrectly
sharpened blade increases the risk of blade
thrust.
4.9 Cutting attachment
Grass blades and grass cutters are intended
for cutting coarse grass.
A trimmer head is intended for trimming grass.
Owner's manual
General rules
Only use cutting attachments with the
guards we recommend! Never to use other
cutting attachment like metal multi‐piece
pivoting chains and flail blades which are not
recommended, if used it's likely to lead to
mechanical hazards to operator.
Keep the teeth of the blade correctly
sharpened! Follow our instructions and use
the recommended file gauge. An incorrectly
sharpened or damaged blade increases the
risk of accidents.
Check the cutting attachment for damage or
cracks. A damaged cutting attachment
should always be replaced.
4.2 Sharpening grass cutters and grass
blades
Sharpen blades and cutters using a single‐cut
flat file.
Sharpen all edges equally to maintain the
balance of the blade.
WARNING! Always discard a blade that
is bent, twisted, cracked, broken or
damaged in any other way. Never attempt to
straighten a twisted blade so that it can be
reused. Only use original blades of the
specified type.
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