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Replace the spark plug:
every 100 hours or each season (whichever case comes
-
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.
Use the following spark plug type:
Torch L8RTC, NGK-BPMR 7 A, BOSCH WSR6F,
OREGON O-PR15Y, Champion RCJ 6Y
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Remove the
spark plug (17).
Firmly connect the spark plug connector (16).
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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heck the silencer (18) on a regular basis
C
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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Lubricate the gearbox every 8 to 25 operating hours. Use
SHELL ALVANIA RL3, for example, or an equivalent grease
brand.
Put the grease gun onto the zerk fitting (61).
Force some grease into the zerk fitting.
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The carburetor is factory-set to the correct idle speed so that
the correct fuel-air mixture is fed to the engine.
In the cases below the carburetor (idle speed) has to be
corrected:
- Speed too high (saw chain continues to move in idle speed)
- Erratic running or lack of acceleration (idle speed too low)
- Adjustment to weather conditions and temperatures
An incorrect carburetor adjustment results in
severe engine damages. Do not continue working
with the machine in such a condition.
Contact a specialist workshop and have the
carburetor adjustment done.
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Safe and efficient working is only possible with a
correctly sharpened and intact cutting blade.
Therefore, check the cutting blade for dull edges, bents, cracks
or other damages on a regular basis.
Have dull cutting blades sharpened by a specialist/service
workshop.
Both sides of the cutting blade may be used. Turn round
the cutting blade once and continue to work with the brushcutter
until both sides of the cutting blade are dull-edged.
Replace damaged cutting blades by new ones.
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Press on both locking tabs (j) on the thread spool holder
(40) and remove the thread spool cover (41).
Remove the thread spool (39) from the thread spool holder.
Remove dirt and grass residues.
Thread the ends of the cutting threads of the new thread
spool into the provided openings (k) in the thread spool
holder (40).
Insert the thread spool together with the spring (42) in the
thread spool holder (40). Make sure that the cutting threads
are not caught and pull them approx. 9 cm out of the spool.
Put the thread spool cover (41) on the thread spool (39).
The cutouts on the thread spool cover need to be aligned
with the locking tabs (j). Press the thread spool cover down
until in snaps into place.
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Unscrew the screws and remove the old thread knife
(43).
Screw on the new thread knife as shown.
Do not overtighten the screws.
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37
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