Husqvarna 525HF3S Manual De Usuario página 9

Introduction
WARNING:
safety chapter before you use the product.
To do before you operate the product
• Examine the work area and remove loose objects.
• Do a check of the cutting unit. Refer to
check of the blades and blade guard on page 7 .
• Make sure that the gear housing is correctly
lubricated.
• Make sure that the safety devices of the product
operates correctly. Do not use the product without all
safety devices installed correctly.
• Make sure that all screws and nuts are tight.
• Make sure that all covers are attached correctly and
not damaged before you start the product.
• Make sure that the cutting unit stops when the
engine is at idle speed.
Fuel
This product has a two-stroke engine.
CAUTION:
result in engine damage. Use a mixture of
gasoline and two-stroke oil.
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
lower with this fuel, which keeps the components of
the engine more clean.
To mix fuel
Gasoline
• Use good quality unleaded gasoline with a maximum
of 10% ethanol contents.
CAUTION:
an octane grade less than 90 RON/87
AKI. Use of a lower octane grade can
cause engine knocking, which causes
engine damages.
Two-stroke oil
• For best results and performance use Husqvarna
two-stroke oil.
1118 - 005 - 29.08.2023
Operation
Read and understand the
To do a
Incorrect type of fuel can
Do not use gasoline with
• 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:
oil for water-cooled outboard engines,
also referred to as outboard oil. Do not
use oil for four-stroke engines.
To mix gasoline and two-stroke oil
Gasoline, liter
5
10
15
20
CAUTION:
the ratio of the mixture drastically when you
mix small quantities of fuel. Measure the
quantity of oil carefully and make sure that
you get the correct mixture.
1. Fill half the quantity of gasoline in a clean container
for fuel.
2. Add the full quantity of oil.
3. Shake the fuel mixture.
4. Add the remaining quantity of gasoline to the
container.
5. Carefully shake the fuel mixture.
CAUTION:
than 1 month at a time.
Do not use two-stroke
Two-stroke oil,
liter
2% (50:1)
0.10
0.20
0.30
0.40
Small errors can influence
Do not mix fuel for more
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