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2. Cleaning the filter sponge (13/3):
■
Squeeze out the filter sponge, then wash
out with soap and water. Do not use petrol
or other solvents!
■
Allow the filter sponge to dry thoroughly
until it contains no more water. A wet filter
can make the engine difficult to start.
■
Clean the air filter housing thoroughly
using a cloth.
3. Replacing the filter sponge (13/3):
■
Replace the filter sponge if it is no longer
elastic or falls apart.
4. Fitting the air filter:
■
Push the filter sponge (13/3) onto the
frame (13/4).
■
Push on the air filter housing (13/2) and
hold in place.
■
Screw in the air filter screw (13/1) until the
air filter housing is tight.
10.3 Checking/replacing fuel filter (14)
The felt-like fuel filter is located in the fuel tank
and is plugged onto the vacuum head. If the fuel
filter becomes hard, dirty or clogged, less petrol
flows to the engine. In this case, the fuel filter
must be replaced.
It is recommended that an authorised service
workshop carries out this work.
1. Preparing the appliance:
■
To empty the fuel tank: Allow the engine
to run until it stops itself.
■
Place the appliance on a level, horizontal
surface. The cap (14/1) of the fuel tank
(14/2) must be facing upwards.
■
Wipe the fuel tank cap, the fuel tank and
the surrounding appliance parts clean so
that no dirt can get into the fuel tank.
2. Checking/replacing the fuel filter:
■
Unscrew the cap (14/1) of the fuel tank
(14/2). Leave the cap hanging on the fuel
tank.
■
Use a wire hook to pull the intake head
(14/3) out of the fuel tank.
■
Inspect the fuel filter (14/4). If the felt has
become hard, dirty or clogged: Pull off the
fuel filter and push a new fuel filter onto
the intake head.
3. Push the intake head into the fuel tank again.
74
4. Mix and pour in the petrol/oil mixture (see
chapter 5.2 "Mixing and pouring in the petrol/
oil mixture (08)", page 47).
10.4 Adjusting Bowden cables (15)
WARNING!
Rotating cutting tool.
Serious injury can be
caused by the rotating
cutting tool.
■
Only adjust the Bowden
cables with the motor
switched off.
■
Only perform the
function test when the
trimmer is horizontal.
The Bowden cables of the trimmer were correctly
set by the manufacturer. If the position of the
"Bike" handle is changed significantly, this can
result in extension of the Bowden cable, leading to
a problem with the throttle lever function. This
means the cutting tool does not stop after the
engine has been started and the half throttle lock
unlocked.
1. Turn the set screw (15/1) to shorten or
lengthen the Bowden cable (15/2).
2. Briefly press start engine as well as the
throttle lever for the half throttle lock to
engage. (see chapter 6.3.1 "Starting the
engine", page 48).
3. Check that the cutting tool comes to a
standstill. If not: Repeat the setting.
10.5 Maintaining the spark plug (16)
1. Removing the spark plug:
■
Remove the spark plug connector (16/1).
■
Unscrew the spark plug (16/3) using a
spark plug spanner (16/2).
2. Assessing the condition of the spark plug:
■
If the spark plug is reddish-brown: The
engine is working correctly and the spark
plug is in order. If necessary: Carefully
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