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OPERATION
ADDING BAR AND CHAIN OIL (Fig. 3)
Use Ryobi Bar and Chain Oil. It is designed for chains
and chain oilers, and is formulated to perform over a
wide temperature range with no dilution required. Chain
saw should use approximately one tank of oil per tank
of fuel.
NOTE: Do not use dirty, used, or otherwise contaminated
oils. Damage may occur to the oil pump, bar, or chain.
Carefully pour the bar and chain oil into the oil tank.
Fill the oil tank every time you fuel the engine.
OPERATING THE CHAIN BRAKE(Fig. 4-5)
Check the operating condition of the chain brake prior to
each use.
Using the back of your left hand, engage the chain brake
by pushing the chain brake lever/hand guard toward
the bar while the chain is rotating rapidly.
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.
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 authorized
service center for repair prior to use.
STARTING THE ENGINE (Fig. 6 - 10)
The starting method 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 past the chain
line.
Place the chain saw on level ground and ensure that
no objects or obstructions are in the immediate vicinity
that could come in contact with the bar and chain. To
prevent rapid dulling of the chain, do not allow the bar
and chain to contact dirt on the ground.
Hold the front handle fi rmly with your left hand and put
your right foot onto the base of the rear handle.
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To Start a Cold Engine:
Set the ignition switch to the RUN ( I ) position.
Make sure the chain brake is in the run position by
pulling back on the lever/hand guard.
Fully press and release the primer bulb 4 times.
Pull choke knob all the way out to FULL CHOKE (
position.
Pull the starter grip until the engine attempts to start,
but no more than 5 times.
Push choke knob to HALF CHOKE (
Pull starter grip until engine runs.
NOTE: Allow the saw to run in this position 15-30
seconds, depending upon the temperature.
Push the choke knob in to the RUN (
CAUTION
Failure to release partial 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.
To Start a Warm Engine:
Set the ignition switch to the RUN ( I ) position.
Make sure the chain brake is in the run position by
pulling back on the lever/hand guard.
Fully press and release the primer bulb 4 times.
Pull starter grip until engine runs.
STOPPING THE ENGINE ( FIG. 11 - 12)
Release the throttle trigger and let the engine return to
idle. To stop the engine, move the ignition switch to the
STOP (
when the chain is still moving. For additional safety, set the
chain brake when the saw is not in use.
In the event that the ignition switch will not stop the saw,
pull the choke knob out to the fully extended position (FULL
CHOKE /
If the ignition switch will not stop the saw when set to the
STOP position, have the ignition switch repaired before
using the chain saw again to prevent unsafe conditions
or serious injury.
NOTE: When you are fi nished using the saw, always
relieve tank pressure by loosening, then retightening,
the chain oil and fuel mix caps. Allow the engine to cool
before storing.
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) position. Do not put the chain saw on the ground
) and engage chain brake to stop the engine.
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) position.
) position.