Operation - Husqvarna 321SP Operator's Manual

Note: If there is a leakage from the single nozzle
lance (K) fittings, retighten the fittings with a
spanner or multigrip.
3. After the spray hose assembly is connected with
WARNING: Read, and understand the safety
chapter before you operate.
To use fuel
CAUTION: This product has a two-cycle
engine. Use a mixture of gasoline and
two-cycle engine oil. Make sure to use the
correct quantity of oil in the mixture. Incorrect
ratio of gasoline and oil can cause damage to
the engine.
Gasoline
CAUTION: Do not use gasoline with an
octane number less than 90 RON (87 AKI).
This can cause damage to the product.
CAUTION: Do not use gasoline with more
than 10% ethanol concentration (E10). This
can cause damage to the product.
CAUTION: Do not use leaded gasoline. This
can cause damage to the product.
• Always use new unleaded gasoline with a
minimum octane number of 90 RON (87 AKI) and
with less than 10% ethanol concentration (E10).
• Use gasoline with a higher octane number if you
frequently use the product at continuously high
engine speed.
• Always use a good quality unleaded gasoline/oil
mixture.
Two-cycle engine oil
• Use only the two-cycle engine oil of high quality,
especially HUSQVARNA two-cycle engine oil. Use
only the oil of an air cooled engine.
• Mixture ratio 50:1 (2%).
the spray lance, inspect and ensure all connections
in the spray hose assembly such as the seals (L),
chock valve (H), handle (N), spray hose (O) and
rear handle (P) are tightly secured. Tighten by hand
only.

OPERATION

• Oil of low quality and high oil/fuel ratio can
decrease the lifetime of catalytic converters.
• Check with the approved dealer when you select
an oil.
• If Husqvarna two-stroke oil is not available, you
can use another two-stroke oil of good quality that
is intended for air cooled engines.
• Do not use the two-stroke oil for water-cooled
outboard engines. The two-stroke oil is sometimes
referred to as outboard oil.
Gasoline, liter
5
10
15
20
To mix the fuel
Note: Always use a clean fuel container when you
mix the fuel. Do not use fuel mixture made over 30
days.
1. Add half of the gasoline.
2. Add all of the oil.
3. Shake the fuel mixture to mix.
4. Add the remaining half of gasoline.
5. Shake the fuel mixture again to mix.
6. Fill the fuel tank.
To filling the fuel tank
1. Make sure that the fuel mixture is correct and is
in a fuel container with an antispill valve.
2. If fuel is on the container, remove the unwanted
fuel and let the container dry.
Oil, liter
2% (50:1)
0.1
0.2
0.3
0.4
7