10. Tighten the saw chain by turning the chain
tensioning screw clockwise with the combination
wrench. Tighten the saw chain until it does not sag
from below the guide bar, but you can turn it easily
by hand.
and
11. Hold up the end of the guide bar and tighten the bar
nuts with the combination wrench.
• Examine the chain tension frequently after you
assemble a new saw chain and until the saw
chain has been run-in.
• Examine the chain tension regularly. Correct
chain tension results in good cutting performance
and a long life.
OPERATION
WARNING: Read and understand the safety
chapter before you operate the product.
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.
Fuel mixture ratio
The fuel mixture ratio for the gasoline and two-cycle
engine oil is 50:1 (2%)
Gasoline
Two-cycle engine oil
1 U.S. Gal. 77 ml (2.6 oz)
1 UK Gal. 95 ml (3.2 oz)
5 l 100 ml (3.4 oz)
To make the fuel mixture
1. Determine the correct quantity of gasoline and
engine oil (mixture ratio 50:1). Do not make more
than 30 days quantity of fuel mixture. See
Fuel
mixture ratio on page 11
.
2. Add half of the gasoline quantity to a clean fuel
container with an antispill valve.
CAUTION: Do not use gasoline with
more than 10% ethanol concentration
(E10). This can cause damage to the
product.
CAUTION: Do not use gasoline with an
octane number less than 90 RON (87
AKI). This can cause damage to the
product.
Note: Use gasoline with a higher octane number if
you frequently use the product at continuously high
engine speed.
3. Add the full quantity of the two-cycle engine oil to the
fuel container.
CAUTION: Always use air-cooled two-
cycled engine oil of high quality. Other
oils can cause damage to the product.
4. Shake the fuel mixture to mix the contents.
5. Add the remaining gasoline quantity to the fuel
container.
6. Shake the fuel mixture to mix the contents.
7. Fill the fuel tank of the product with the fuel mixture.
See
Fuel mixture ratio on page 11
.
862 - 001 - 20.09.2018
11
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