Operation - Husqvarna 129 C Operator's Manual

5. Turn the trimmer head (H) (P P icture 30)
counterclockwise to tighten the trimmer head to the
gearbox. (Left hand threads.)
To attach the cutting attachment guard and
trimmer head (curved shaft)
1. Attach the guard (P P icture 31). Tighten the nut.
WARNING! Read the safety chapter before
you operate the product.
Fuel
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.
• 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.
Two-cycle engine oil
• Use only high quality two-cycle engine oil. Use only
an air cooled engine oil.
• Do not use other types of oil.
• Mixture ratio 50:1 (2%)
Gasoline
1 U.S. Gal.
1 UK Gal.
5 l
155 - 003 -

OPERATION

Oil
77 ml (2,6 oz)
95 ml (3,2 oz)
100 ml (3,4 oz)
2. Attach the dust cup on the shaft (P P icture 32).
3. Hold the dust cup with an adjustable wrench to make
sure the shaft does not turn.
4. Attach the trimmer head to the shaft. Turn the
trimmer head clockwise.
To make the fuel mixture
Note: Always use a clean fuel container when you mix
the fuel.
Note: Do not make more than 30 days quantity of fuel
mixture.
1. Add half of the gasoline quantity.
2. Add the full quantity of oil.
3. Shake the fuel mixture to mix the contents.
4. Add the remaining gasoline quantity.
5. Shake the fuel mixture to mix the contents.
6. Fill the fuel tank.
To add fuel
• Always use a fuel container with an antispill valve.
• If there is some fuel on the container, remove the
unwanted fuel and let the container dry.
• Make sure that the area near the fuel tank cap is
clean.
• Shake the fuel container before you add the fuel
mixture to the fuel tank.
To start and stop
Examine before an engine start
• Examine the product for missing, damaged, loose or
worn parts.
• Examine the nuts, screws and bolts.
• Examine the air filter.
• Examine the throttle trigger lockout and the throttle
control for correct operation.
• Examine the stop switch for correct operation.
• Examine for fuel leaks.
To start a cold engine
1. Push the primer bulb 10 times (P P icture 33).
2. Pull the choke control up (P P icture 34).
3. Hold the body of the product on the ground with your
left hand (P P icture 35). Do not step on the product.
Pull the starter rope handle slowly until you feel
some resistance. Then pull the starter rope handle
with force.
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