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Muffler bolts
CAUTION[
Never
use a machine
that has
a faulty or loose
muffler. Ensure
the muffler
bolts
are tight.
I&
ARNING:
Mufflers fitted with
catalytic converters
get very hot
during use and remain so for some
time after stopping. This also ap-
plies at idle speed. Contact can re-
sult in burns to the skin. Remember
the risk of fire!
WARNING:
The inside
of the
I
muffler contain chemicals that may
be carcinogenic.
Avoid contact with
these elements in the event of a
damaged
muffler.
WARNING:
Bear in mind that:
Engine exhaust fumes
contain car-
bon monoxide, which can cause
carbon monoxide
poisoning.
For
this reason you should not start or
run the machine indoors, or any-
where that is poorly ventilated.
The exhaust fumes from the engine
are hot and may contain sparks
which can start a fire. Never start
the machine
indoors or near com-
bustible material!
Spark plug
The spark
plug condition
is influenced
by:
• Incorrect
carburetor
adjustment.
• An incorrect
fuel mixture
(too much or in-
correct type of oil).
• A dirty air filter.
These factors cause deposits
on the spark
plug electrodes,
which may result in operat-
ing problems
and starting
difficulties.
If the machine
is low on power, difficult to
start or runs poorly at idle speed: always
check the spark
plug first before taking
any further action.
If the spark
plug is dirty,
clean it and check that the electrode
gap is
0.024"
(0.6 mm). The spark plug should
be
replaced
after about a month in operation
or
earlier if necessary.
CAUTION!
Always
use the recommended
spark plug type! Use of the wrong
spark
plug can damage
the piston/cylinder.
0.024" (0.6 ram)
Air filter
The air filter must be regularly cleaned
to
remove dust and dirt in order to avoid:
• Carburetor
malfunctions
• Starting
problems
• Loss of engine power
• Unnecessary
wear to engine parts
• Excessive
fuel consumption
Clean the filter every 25 hours,
or more
regularly if conditions
are exceptionally
dusty.
Cleaning
the air filter
Remove the air filter cover and take out the
filter, Wash it clean in warm. soapy water.
Rinse thoroughly.
Ensure that the filter is dry
before refitting it.
An air filter that has been in use for a long
time cannot be cleaned
completely.
The
filter must therefore
be replaced
with a new
one at regular intervals.
A damaged
air
filter
must always
be replaced.
Bevel gear
The bevel gear is filled with the right quan-
tity of grease at the factory.
However,
be-
fore using the machine
you should
check
that the bevel gear is filled three-quarters
full with grease. Use HUSQVARNA
special
grease.
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