Ryobi RCS4246B Operator's Manual page 16

petrol or lubricant comes in contact with the eyes,
wash them immediately with clean water. If irritation is
still present, see a doctor immediately.
n Clean up spilled fuel immediately. refer to refueling
in the specific safety rules section of this manual for
additional safety information.
MIXING THE FUEL
n this product is powered by a 2-stroke engine and
requires pre-mixing petrol and 2-stroke lubricant. pre-
mix unleaded petrol and 2-stroke engine lubricant in a
clean container approved for petrol.
n this engine is certified to operate on unleaded petrol
intended for automotive use with an octane rating of
91 or higher.
n Do not use any type of pre-mixed petrol/lubricant
from fuel service stations; this includes the pre-
mixed petrol/lubricant intended for use in mopeds,
motorcycles, etc.
n use a high quality 2-stroke self-mixing lubricant for
air-cooled engines. Do not use automotive lubricant
or 2-stroke outboard lubricant.
mix 2% synthetic 2-stroke oil into the petrol. this is a
n
50:1 ratio.
n mix the fuel thoroughly and each time before fueling.
n mix in small quantities. Do not mix quantities larger
than usable in a 30-day period. a 2-stroke lubricant
containing a fuel stabilizer is recommended.
1 litre +
2 litres +
3 litres +
4 litres +
5 litres +
Note: Do not use ethanol fuels or fuels containing
ethanol. the use of ethanol fuels may cause fuel system
damage or performance problems. Damage as a result of
using ethanol fuels may void your warranty.
FILLING THE FUEL TANk
See Figure 5.
1. Clean the surface around the fuel cap to prevent
contamination.
2. Loosen the fuel cap slowly.
3. Carefully pour the fuel mixture into the tank. Avoid
spillage.
4. Prior to replacing the fuel cap, clean and inspect the
sealing gasket.
20 ml =
40 ml =
60 ml = 50: 1
80 ml =
100 ml =
English
5. Immediately replace the fuel cap and tighten it. Wipe
up any fuel spillage.
Note: It is normal for the engine to emit smoke during
and after the first use.
ADDING BAR AND CHAIN LUBRICANT
See Figure 6.
use rYOBI, or a quality brand of bar and chain
lubricant. It is designed for chains and chain oilers,
and is formulated to perform over a wide temperature
range with no dilution required. the chainsaw should use
approximately one tank of lubricant per tank of fuel.
Note: Do not use dirty, used, or otherwise contaminated
lubricants. Damage may occur to the lubricant pump, bar,
or chain.
n Carefully pour the bar and chain lubricant into the
lubricant tank.
n Fill the lubricant tank every time you fuel the engine.
OPERATING THE CHAIN BRAkE
See Figures 7 - 8.
Check the operating condition of the chain brake prior to
each use.
1. Engage the chain brake by rotating your left hand
around the front handle, allowing the back of your
hand to push the chain brake lever/hand guard toward
the bar while the chain is rotating rapidly. Be sure to
maintain both hands on the saw handles at all times.
2. Reset the chain brake back into the RUN position by
grasping the top of the chain brake lever/hand guard
and pulling toward the front handle until you hear a
click.
Note: Operating the throttle when chain brake lever is
in the brake position will result in serious damage to
the unit. never squeeze and hold the throttle trigger
while the chain brake is in the brake position.
WARNING
If the chain brake does not stop the chain
immediately, or if the chain brake will not stay
in the run position without assistance, take the
saw to an authorised service centre for repair
prior to use.
STARTING THE ENGINE
See Figures 8 - 13.
starting the product differs depending on whether the
engine is cold or warm.
WARNING
Keep your body to the left of the chain line.
never straddle the saw or chain, or lean over the
chain line.
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