Fuel/Refuelling; Mixing Fuel; Filling Tank - Ryobi PCN 4040 Owner's Operation Manual

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OPERATION
WARNING
KICK-BACK occurs when the moving chain
contacts an object at the upper portion of the tip
of the guide bar or when the wood closes in and
pinches the saw chain in the cut. Contact at the
upper portion of the tip of the guide bar may
cause the chain to dig into the object and stop
the chain for an instant. The result is a
lightningfast, reverse reaction which kicks the
guide bar up and back towards the operator.
If the saw chain is pinched along the top of the
guide bar, the guide bar can be driven rapidly
back towards the operator. Either of these
reactions may cause you to lose control of the
saw, which could result in serious injury.
Do not rely exclusively upon the safety devices built into
your saw. As a chainsaw user, you should take several
steps to keep your cutting jobs free from accident or injury.
KICK-BACK PRECAUTIONS (Fig. 4 & 5)
Rotational kick-back (A) occurs when the moving chain
contacts an object at the Kick-back Danger Zone (B)
of the guide bar. The result is a lightning-fast, reverse
reaction which kicks the guide bar up and back towards
the operator. This reaction can cause loss of control
which may result in serious injury.
FUEL AND REFUELLING
HANDLING THE FUEL SAFELY
WARNING
Always turn off engine before refuelling.
Never add fuel to a machine with a running or
hot engine. Move at least 15 m (50 ft.) from
refuelling site before starting the engine.
DO NOT SMOKE! Failure to heed this warning
can result in possible personal injury.
WARNING
Check for fuel leaks. If any are found, correct them
before using the saw to prevent fire or burn injury.
Always handle fuel with care. It is highly flammable.
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Always refuel outdoors where there are no sparks
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and flames. Do not inhale fuel vapour.
Do not let petrol or oil come in contact with your skin.
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Keep petrol and oil away from the eyes. If petrol or oil
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comes in contact with the eyes, wash them
immediately with clean water. If irritation is still
present, see a doctor immediately.
Clean up spilled fuel immediately.
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English
MIXING THE FUEL
This product is powered by a 2-cycle engine and
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requires pre-mixing petrol and 2-cycle oil. Pre-mix
unleaded petrol and 2-cycle engine oil in a clean
container approved for petrol.
This engine is certified to operate on unleaded petrol
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intended for motor vehicle use with an octane rating
of 87 ([R + M] / 2) or higher.
Do not use any type of pre-mixed petrol/oil from fuel
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service stations. This includes the pre-mixed petrol/oil
intended for use in mopeds, motorcycles etc.
Use high a quality 2-cycle self-mixing oil for air-
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cooled engines. Do not use motor vehicle oil or
2-cycle outboard oil.
Mix 2% oil into the petrol. This is a 50:1 ratio.
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Mix the fuel thoroughly and also each time before
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refuelling.
Mix in small quantities. Do not mix quantities larger
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than usable in a 30 day period. A 2-cycle oil
containing a fuel stabiliser is recommended.
FILLING THE TANK (Fig. 6)
Refer to "Specific Safety Rules - Refuelling" earlier in this
manual for additional safety information.
1. Clean surface round fuel cap to prevent contamination.
2. Loosen fuel cap slowly to release pressure and to
keep fuel from escaping around the cap.
3. Carefully pour fuel mixture into the tank. Avoid spillage.
4. Prior to replacing the fuel cap, clean and inspect
the gasket.
5. Immediately replace fuel cap and hand tighten.
Wipe up any fuel spillage. Move 9 m (30 ft) away
from refuelling site before starting engine.
NOTE: It is normal for smoke to be emitted from a
new engine during and after first use.
1 Litre
2 Litres
3 Litres
4 Litres
5 Litres
5
+
20 ml
+
40 ml
+
60 ml
+
80 ml
+
100 ml
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50:1
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