Ryobi RBC254SBO, User Manual, Page: 32 / 512

30
English (Original instructions)
■ Turn the string head clockwise by hand to remove.
NOTE: Store the disassembled parts together for later
use.
INSTALLING THE TRI-ARC™ BLADE
To reduce the risk of injury, keep the blade protector on
the blade at all times. Remove the blade protector only
during cutting operations.
■ Centre the blade on the upper flange washer and
make sure the blade sits flat. Install the blade washer
with the raised centre away from the blade and make
sure it sits well into the gear shaft.
■ Align the two hooks on cupped washer into blade
washer square holes.
■ Install the blade retainer nut until finger tight.
■ Place the combination wrench through the hole in
the upper flange washer and the hole in the gear
head. Using the wrench turn the blade retainer nut
counterclockwise tightly, recommended torque is
25N.M.
CONVERTING FROM BRUSHCUTTER TO GRASS
TRIMMER:
(See Fig 2f)
When using the string head, the blade guard must be
attached with the grass de
fl ector.
WARNING
To reduce the risk of serious personal injury, always
stop the engine before making any adjustments such
as changing cutting heads.
WARNING
Be certain all knobs and fasteners are fully tightened
before operating the equipment. Periodically check for
tightness during use to avoid serious injury.
REMOVING THE TRI-ARC™ BLADE
■ Stop the engine.
■ Place the combination wrench through the hole in
the upper flange washer and the hole in the gear
head. Using the wrench, turn the blade retainer nut
clockwise to remove.
■ Remove the cupped washer, blade washer, and blade.
INSTALLING THE STRING HEAD
■ Place the combination wrench through the hole in the
upper flange washer and the hole in the gear head.
■ Align the nut in string head to gear box shaft.
■ Turn the string head counterclockwise by hand to
tighten, recommend torque is 6 N.M.
■ Insert the two latches on the grass deflector to blade
guard holes.
■ Align the screw on the grass deflector in blade guard
hole. Use the combination wrench to tighten the screw
securely.
NOTE: Store the disassembled parts together for later
use.
■ Install the cutting line. Refer to "String replacement" in
the manual for additional information.
OPERATION
FUELING AND REFUELING
HANDLING FUEL SAFELY
WARNING
Check for fuel leaks. If any are found, correct them
before using the product to prevent
fi re or burn injury.
■ Always handle fuel with care, it is highly flammable.
■ Always refuel outdoors where there are no sparks and
flames. Do not inhale fuel vapors. Do not smoke.
■ Do not let petrol or lubricant come in contact with your
skin.
■ Keep petrol and lubricant away from the eyes. If petrol
or lubricant comes in contact with the eyes, wash
them immediately with clean water. If irritation is still
present, see a doctor immediately.
■ Clean up spilled petrol immediately.
■ Always transport and store fuel in a container approved
for petrol.
MIXING THE FUEL
(See Fig 3)
■ The 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.