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6. With the bar tip still held up, tighten the nuts securely (12-15N-m).
Then check the chain for smooth rotation and proper tension while moving it by hand .
If necessary, readjust with the chain cover loose.
7. Tighten the tensioner screw
NOTE : A new chain will expand its length in the beginning of use.
Check and readjust the tension frequently as a loose chain can easily derail or cause rapid
wear of itself and the guide bar.
4.4- Fuel and Chain Oil
WARNING
- Gasoline is very flammable. Avoid smoking or bringing any flame or sparks near fuel.
Make sure to stop the engine and allow it cool before refueling the unit.
Select outdoor bare ground for fueling and move at least 3 m (10 ft) away from the fueling point
before starting the engine.
- Use an anti-oxidant added quality oil expressly labeled for air-cooled 2-cycle engine use
- Do not use BIA or TCW (2-stroke water-cooling type) mixed oil.
ASPEN
We recommend the use of Aspen 2 fuel.
This ready for use mixture contains no benzene or lead. It is distinguished by high octane and has
the advantage of always ensuring appropriate mixing ratio.
Aspen2 fuel is suitable for 2-stroke engines and ensures its durability.
4.4.1- Recommended Mixing Ratio
Gasoline 25 : OIL 1
- Exhaust emission are controlled by the fundamental engine parameters and components (eq.,
carburetion, ignition timing and port timing) without addition of any major hardware or the
introduction of an inert material during combustion.
- These engines are certified to operate on unleaded gasoline.
- Make sure to use gasoline with a minimum octane number of 89RON (USA/Canada: 87AL).
- If you use a gasoline of a lower octane value than prescribed, there is a danger that the engine
temperature may rise and an engine problem such as piston seizing may consequently occur.
- Poor quality gasoline or oils may damage sealing rings, fuel lines or fuel tank of the engine.
4.4.2- How to mix fuel
WARNING - Pay attention to agitation.
1. Measure out the quantities of gasoline and oil to be mixed.
2. Put some of the gasoline into a clean, approved fuel container.
3. Pour in all of the oil and agitate well.
4. Pour in the rest of gasoline and agitate again for at least one
minute.
As some oils may be difficult to agitate depending on oil ingredients, sufficient agitation is
necessary for the engine to last long. Be careful that, if the agitation is insufficient, there is an
increased danger of early piston seizing due to abnormally lean mixture.
5. Put a clear indication on the outside of the container to avoid mixing up with gasoline or other
containers.
6. Indicate the contents on outside of container for easy identification
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