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Never use oil intended for four-stroke engines. This may
damage the foam plastic filter.
Do not use mixture gasoline! This type of gasoline does
not contain enough oil, so the filter will become dry after
a few hours.
Felt filter (2)
Clean the filter by knocking the filter carefully against the
hand palm or blow the aiir from inside to outward.
Do not wash the felt filter, since kneeding will make the
filter shrink and scrubbing will remove fibre of filter!
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.
Fuel filter
1 Fuel filter
When the engine runs short of fuel supply, check the fuel
cap and the fuel filter for b
lockage.
Bevel gear
The bevel gear is filled with the right quantity of grease at
the factory. However, before using the machine you
should check that the bevel gear is filled three-quarters
full with grease. Use HUSQVARNA special grease.
The grease in the bevel gear does not normally need to
be changed e
xcept if repairs are carr
ied out.
Spark plug
The spark plug condition is influenced by:
• Incorrect carburettor adjustment.
• An incorrect fuel mixture (too much or incorrect type
of oil).
• A dirty air filter.
These factors cause deposits on the spark plug
electrodes
, which ma
y result in operating 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 0,6-0,7 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. Check that the spark plug is fitted with a
suppressor.
1
H1159210-30, GBESPT Page 25 Friday, October 6, 2017 1:00 PM
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