plies to non-authorised modifications of the tool, use of
non-authorised spare parts, accessories, working tools,
unrelated and not intended use, secondary damages
due to use of faulty components.
Wear Parts
Even when used in the intended way, some components
are subject to normal wear. They have to be replaced
depending on the kind of duration of usage. These parts
include, among others, the cutting tool and the retaining
disk.
Replacing the line spool/cutting line Fig. 24-29
1. Pull off the line guard cap from the line spool (5) by
forcefully pressing between the retaining plates.
2. Remove the spool with line remaining and the com-
pression spring.
3. Remove the used up spool.
4. Take the new line spool and pull out 10cm at both lines
each.
5. Now, place the line spool (5) on the tapered spring,
and guide both lines each through the round metal
lugs at the line spool housing.
6. Then place the spool cover on the new line spool (5).
Turn it so that the plates of the spool cover are pushed
with the springs in the line spool housing.
7. Now, press the spool cover together with the line
spool, until it engages in the line spool housing.
8.
The knife (A) in the protective hood (18) shortens the
trimming line to the correct length, when the engine
starts again.
Grinding the safety hood blade
The safety hood blade can become blunt over time.
• When you notice this, undo the screw holding the
safety hood blade on the safety hood.
• Clamp the blade in a vise.
•
Sharpen the blade with a flat file and make sure that
the angle of the cutting edge is not altered in the pro-
cess. File in one direction only.
Replacing and resharpening the cutting blade at the
end of the mowing season always resharpen the cutting
blade or, if required, replace the cutting blade with a new
one.
Unbalanced blades will cause the brush cutter to vibrate
violently-risk of accident!
Change and clean the spark plug Fig. 30-31
Check the spark plug air gap at least once a year or
when the engine starts poorly. The correct gap between
ignition flag and ignition contact is 0.25"/0.63mm.
• Wait until the engine has cooled down completely.
• Pull the spark plug cap off the spark plug, and use the
supplied spark plug wrench to remove the spark plug
by turning.
• When the electrode is severely worn out or reveals a
strong incrustation, the spark plug must be replaced
with an equivalent plug.
•
A strong incrustation of the spark plug can be caused
Withdrawal
The withdrawal occurs when the chain on the underside
of the bar suddenly stuck because it is jammed or en-
counters a foreign object in the wood. The chain then
pulls the saw forward. The withdrawal often happens
when the chain is not running at full speed when in con-
tact with the wood.
Avoid withdrawal
Be aware of the forces and situations that can lead to
jamming of the chain on the underside of the bar.
Always start with running at full speed chain to cut.
Recoil
The recoil occurs when the chain on top of rail sudden-
ly stuck because it is jammed or encounters a foreign
object in the wood. The chain can jerkily hold the saw
against the operator. Rebounds happen often if the top
rail is used for cutting.
Avoid recoil
Be aware of the forces and situations that can lead to
jamming of the chain on top of rail.
Do not cut more than one branch at a time.
Do not tilt the rail to the side when you pull them out of a
cutting gap, since the chain could get caught otherwise.
XIII. Maintenance
INJURY WARNING: Always wear protective gloves
when working on or around cutting tools.
Before performing any maintenance or cleaning work, al-
ways turn off the engine and pull out the spark boot plug
.
1. Do not spray the unit with water. It damages the en-
gine.
2. Clean the unit with a cloth, hand brush, etc.
3. Use a moist piece of cloth to clean the plastic parts.
Do not use any cleaning agents, solvents, or sharp ob-
jects.
4. During the course of work, wet grass and weed wraps
around the drive shaft below the cutting guard for tech-
nical reasons. Remove this, otherwise the engine will
overheat because of too much friction.
Regular checks
Keep in mind that following specifications relate to normal usage.
Owing to circumstances (longer periods of daily work, severe dust
exposure, etc.), the specified intervals will become correspondingly
shorter.
• Before start of work and after refueling
Check if cutting tools are seated securely, general
view inspection, sharpen cutting blade (also, if neces-
sary).
• Weekly inspection:
Lubrication of gear (also, if necessary).
• If necessary:
Retighten accessible fastening screws and nuts. You
will avoid excessive wear and tear and damages of the
tool, when you follow the instructions in this manual.
The user is responsible for all damages caused by non-
compliance with instructions in this manual. This also ap-
16
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