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Carburetor; Fuel Filter; Air Filter - Husqvarna K750 Operator's Manual

Power cutter
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Carburetor

WARNING! Do not start the machine without
!
the cutting arm or cutting head fitted.
Otherwise the clutch could come loose and
cause personal injuries.
The carburettor is equipped with fixed needles to ensure the
machine always receives the correct mixture of fuel and air.
When the engine lacks power or accelerates poorly, do the
following:
Check the air filter and replace if necessary.
When this does not help, contact an authorised service
workshop.
Adjusting the idle speed
Adjust the idle speed using the T screw. When an adjustment
is necessary, first turn the screw clockwise until the blade
starts to rotate. Now turn the screw anti-clockwise until the
blade stops rotating.
T
Rec. idle speed: 2700 rpm
WARNING! If the idle speed cannot be
!
adjusted so that the cutting attachment
stops, contact your dealer/service
workshop. Do not use the machine until it
has been correctly adjusted or repaired.
Fuel filter
The fuel filter sits inside the fuel tank.
The fuel tank must be protected from contamination when
filling. This reduces the risk of operating disturbances
caused by blockage of the fuel filter located inside the
tank.
The filter cannot be cleaned but must be replaced with a
new filter when it is clogged. The filter should be
changed at least once per year.
18 –
English
MAINTENANCE
Air filter
Air filters must be regularly cleaned to remove dust and dirt in
order to avoid:
Carburettor malfunctions
Starting problems
Loss of engine power
Unnecessary wear to engine parts
Excessive fuel consumption.
The air filter system consists of an oiled foam plastic filter (1)
and a paper filter (2):
1 The foam plastic filter is easily accessible under the filter
cover A. This filter should be checked weekly and
replaced if necessary.
In order to obtain a good filtering effect, the filter must be
replaced regularly or cleaned and oiled. A special
HUSQVARNA oil has been produced for this purpose.
Remove the foam plastic filter. Wash the filter well in tepid
soapy water. After cleaning, rinse the filter well in clean
water. Squeeze out and allow the filter to dry. NOTE! High
pressure compressed air can damage the foam.
Put the filter in a plastic bag and pour the filter oil over it.
Knead the plastic bag to distribute the oil. Squeeze the
excess oil out of the filter inside the plastic bag and pour
off the excess before fitting the filter to the machine.
CAUTION! Never use common engine oil
2
1
A
B

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