Operation - Ryobi RY252CS Operator's Manual

WARNING:
Do not allow familiarity with this product to make you
careless. Remember that a careless fraction of a second is
sufficient to inflict serious injury.
WARNING:
Always wear eye protection with side shields marked to
comply with ANSI Z87.1, along with hearing protection.
Failure to do so could result in objects being thrown into
your eyes and other possible serious injuries.
WARNING:
Never use blades, flailing devices, wire, or rope on this
product. Do not use any attachments or accessories not
recommended by the manufacturer of this product. The
use of attachments or accessories not recommended
can result in serious personal injury.
NOTICE:
The spark arrestor on this product has not been evalu-
ated by the USDA Forest Service and cannot be used on
U.S. forest lands. In addition, product users must comply
with Federal, State, and local fire prevention regulations.
Check with appropriate authorities. Contact customer
service or a qualified service center for maintenance and
replacement parts.
NOTICE:
Before each use, inspect the entire product for damaged,
missing, or loose parts such as screws, nuts, bolts, caps,
etc. Tighten securely all fasteners and caps and do not
operate this product until all missing or damaged parts are
replaced. Please contact customer service or a qualified
service center for assistance.
ETHANOL-BLENDED FUELS
NOTICE:
Do not use E15 or E85 fuel in this product. It is a viola-
tion of federal law and will damage the unit and void
your warranty. Only use unleaded gasoline containing
up to 10% ethanol.
NOTE: To improve performance when using oxygenated
fuels, we recommend the use of Ethanol Shield 2-cycle
lubricant.

OPERATION

FUELING AND REFUELING THE TRIMMER
WARNING:
Gasoline and its vapors are highly flammable and ex-
plosive. To prevent serious personal injury and property
damage, handle it with care. Keep away from ignition
sources and open flames, handle outdoors only, do not
smoke and wipe up spills immediately.
FUEL MIXTURE
This product is powered by a 2-cycle engine and requires
pre-mixing gasoline and 2-cycle lubricant. Pre-mix unleaded
gasoline and 2-cycle engine lubricant in a clean container
approved for gasoline. DO NOT mix quantities larger than
usable in a 30-day period.
Recommended fuel: This engine is certified to operate on
unleaded gasoline intended for automotive use.
NOTE: We recommend you use Ethanol Shield 2-cycle
lubricant or an equivalent high-quality synthetic 2-cycle
lubricant in this product. Mix at 2.6 oz. per gallon (US).
Do not use automotive lubricant or 2-cycle outboard
lubricant.
HIGH QUALITY 2-CYCLE ENGINE LUBRICANT
FILLING TANK
 Clean surface around fuel cap to prevent contamination.
 Loosen fuel cap slowly. Rest the cap on a clean surface.
 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.
NOTE: It is normal for smoke to be emitted from a new
engine after first use.
WARNING:
Always shut off engine before fueling. Never remove fuel
cap or add fuel to a machine with a running or hot engine.
Make sure the unit is sitting on a flat, level surface and
only add fuel outdoors. If the engine is hot, let the unit cool
for at least five minutes before adding fuel. After fueling,
immediately replace fuel cap and tighten securely. Move
at least 30 ft. from refueling site before starting engine. Do
not smoke and stay away from open flames and sparks!
Failure to follow these instructions could result in a fire
and cause serious personal injury.
7 — English
GASOLINE
1.0 gal. (US) (3.8 liter)
2.5 gal. (US) (9.5 liter)
LUBRICANT
2.6 oz. (76 ml)
6.4 oz. (189 ml)