ATIKA BT 25 Notice Originale page 21

Coupe-herbe thermique
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Unscrew the end cap (3) and pull out the thread spool
(4).
Remove dirt and grass residues.
Plug the spring (5) in the new thread spool (4).
Thread both cutting thread ends of the new thread spool
through the holes (d) in the spool head (6) provided for this
(each one end through one hole).
Put the thread spool together with the spring in the spool
head, firmly press it down and screw on the end cap again.
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Unscrew the screws and remove the old thread knife
(8).
Screw on the new thread knife as shown.
Do not overtighten the screws.
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Clean the air filter from dust and dirt on a regular basis to
prevent
starting problems,
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loss of output,
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too high fuel consumption.
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Clean the air filter every 8 operating hours, or more frequently
in dusty environments.
Put the choke lever to the position
from entering the carburetor.
Pull off the air filter cover (21).
Remove the air filter (22).
Wash the air filter in a luke warm soapy solution.
Do not puff/blow out dirt particles, otherwise there is a
risk of eye injury.
Allow the air filter to dry well and reinsert it.
Damaged air filters must be replaced without delay.
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The chain saw is equipped with a fuel filter. Check it regularly
and clean or replace it if required.
For this open the tank cap (26) and pull out the fuel filter (27).
⇒ Slight contamination:
Pull the fuel filter from the fuel line and clean it in petroleum
ether.
⇒ Bad contamination:
Replace the fuel filter.
All manuals and user guides at all-guides.com
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to prevent dirt
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- Do not touch the spark plug or the spark plug
connector while the engine is running. High voltage!
- Risk of burning on the hot engine.
- Wear protective gloves.
Check the spark plug and the spark gap on a regular basis.
For this proceed as follows:
Allow the engine to cool down.
Pull the spark plug connector (23) from the spark plug
(24). Remove the spark plug using the supplied wrench
(30).
The spark gap must be 0.5 mm.
Clean the spark plug when it is contaminated.
Install the spark plug in reverse order.
Do not overtighten the spark plug.
Replace the spark plug:
every 100 hours or once in a year (whichever case comes
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first)
when the insulating body is damaged,
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when the electrodes show excessive erosion,
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when the electrodes show excessive dirt or oil.
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Use the following spark plug type: Torch L8RTC
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Remove the spark plug.
Firmly connect the spark plug connecto (23).
Use an insulated pair of tongs to press the spark plug
against the engine body (away from the spark plug hole).
Put the ON/OFF switch to the position
Pull the cranking rope.
If there is no spark visible between the electrodes, the
spark plug may be defective.
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Check the silencer (25) on a regular basis.
Clean the exhaust outlet on a regular basis.
Do not clean the silencer when the engine is hot. Dan-
ger of burning!
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Clean the device thouroughly after each application
so that the faultless function is kept.
Clean and oil all moving parts regularly.
Clean the case with a soft brush or a dry cloth.
Do not clean the machine under running water or using a high-
pressure cleaner.
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21

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