Operation - Ryobi RBC254FSDSN Operator's Manual

■ Remove the cutting head housing (item 30).
■ Align the slot in the upper flange washer (item 31) with
the hole in the gear head (item 32). Insert the holding
pin (item 33) through the slot in the upper flange
washer and the hole in the gear head. Using the 16mm
socket wrench (item 34) supplied, turn the drive shaft
adaptor (item 43) clockwise to remove it from the gear
shaft (item 39). Remove the upper flange washer from
the gear shaft and retain for blade installation.
■ Remove the grass deflector by pushing in on the three
locking tabs while pulling on the grass deflector to
separate from the blade guard. (image 6)
NOTE: Store the line trimmer head parts and grass
deflector together for later use.
INSTALLING THE BLADE
■ Place the upper flange washer over the gear shaft with
the hollow side towards the blade guard.
■ Centre blade (item 37) on the upper flange washer,
making sure the blade sits flat. Install the cupped
washer (item 35) with the raised centre away from
the blade. Install and hand tighten the blade nut in
a counterclockwise direction (item 36). The blade
(item 37) turns counterclockwise from the operator's
position during operation.
■ Insert the holding pin through the slot in the upper
flange washer and the hole in the gear head (item 32).
Using the wrench (item 38) supplied, turn the blade nut
(item 36) counterclockwise.
■ Tighten nut securely.
CONVERTING FROM BRUSH CUTTER TO LINE
TRIMMER (FIG. 15)
REMOVING THE BLADE
■ Insert the holding pin through the slot in the upper
flange washer and the gear head. Turn the blade nut
clockwise to remove.
■ Remove the cupped washer and the blade.
■ Remove the upper flange washer from the gear shaft
and retain for the line trimmer head installation.
■ Attach the grass deflector to the blade guard. Refer
to "ATTACHING THE GRASS DEFLECTOR TO THE
GUARD" earlier in this manual.
NOTE: Store the brush cutter parts together for later
use.
INSTALLING THE REEL EASY OR PRO-CUT II™ LINE
TRIMMER
Refer back to instructions listed earlier in this manual.

OPERATION

FUEL AND REFUELING
Handling the fuel safely
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 let petrol or oil come in contact with your skin.
■ Keep petrol and oil away from the eyes. If petrol
or oil 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.
MIXING THE FUEL
■ This product is powered by a 2-stroke engine and
requires pre-mixing petrol and 2-stroke oil. Pre-mix
unleaded petrol and 2-stroke engine oil in a clean
container approved for petrol.
IMPORTANT! Failure to use two stroke oil will result in the
engine seizing. Such damage will not be covered under
warranty.
■ This engine is certified to operate on unleaded petrol
intended for automotive use with an octane rating of
91 ([R + M] / 2) or higher.
■ Do not use any type of pre-mixed petrol / oil from fuel
service stations, this includes the pre-mixed petrol / oil
intended for use in mopeds, motorcycles, etc.
■ Use synthetic 2-stroke oil only. Do not use automotive
oil or 2-stroke outboard oil.
■ Mix 2% synthetic 2-stroke oil into the petrol. This is a
50:1 ratio.
■ Mix the fuel thoroughly and also each time before
fueling.
■ Mix in small quantities. Do not mix quantities larger
than usable in a 30 day period. Synthetic 2-stroke oil
containing a fuel stabilizer is recommended.
FILLING THE TANK
■ Clean surface
contamination.
■ Loosen fuel cap slowly to release pressure and to
keep fuel from escaping around the cap.
■ Carefully pour fuel mixture into the tank. Avoid spillage.
■ Prior to replacing the fuel cap, clean and inspect the
gasket.
■ Immediately replace fuel cap and hand tighten. Wipe
up any fuel spillage. Move 9 m away from refueling site
before starting engine.
6
around fuel cap to prevent