Husqvarna K 770 Manuel D'utilisation page 20

• Feed the product down in line with the blade.
Pressure from the side can cause damage to the
blade and is very dangerous.
• Move the blade slowly forward and rearward to get a
small contact area between the blade and the
material to be cut. This decreases the temperature of
the blade and is an effective way to cut.
Basic working techniques with K 770
SmartGuard
WARNING: The SmartGuard function is
disengaged if the SmartGuard is manually
retracted. Only retract the SmartGuard
manually if you must and there are no risks
of kickback.
SmartGuard gives more coverage of the blade. This
decreases the risk that you touch the blade if a kickback
occurs.
• You can retract the SmartGuard manually with the
SmartGuard handle.
• Hold the SmartGuard handle with a left hand finger
while the remaining fingers hold the front handle at
the same time.
20
To decrease dust during operation
The product has a wet cutting kit to decrease harmful
dust in the air during operation. The wet cutting kit has
low water consumption.
• When possible, use wet cutting blades with water
Cutting blades on page 11 .
cooling. Refer to
• Adjust the water flow with the valve. The correct flow
is different for different types of tasks.
• Make sure that the water pressure is correct. Refer
Technical data on page 33 . If the water hose
to
comes off at the supply source, the supplied water
pressure can be too high.
Fuel
This product has a two-stroke engine.
CAUTION: Incorrect type of fuel can result in
engine damage. Use a mixture of gasoline
and two-stroke oil.
Two-stroke oil
• For best results and performance use Husqvarna
two-stroke oil.
• If Husqvarna two-stroke oil is not available, use a
two-stroke oil of good quality for air-cooled engines.
Speak to your servicing dealer to select the correct
oil.
CAUTION: Do not use two-stroke oil for
water-cooled outboard engines, also
referred to as outboard oil. Do not use oil
for four-stroke engines.
Premixed fuel
• Use Husqvarna premixed alkylate fuel for best
performance and extension of the engine life. This
fuel contains less harmful chemicals compared to
regular fuel, which decreases harmful exhaust
fumes. The quantity of remains after combustion is
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