Ryobi RBC254SBO, User Manual, Page: 38 / 512

36
English (Original instructions)
hanger cap over the lower end of the attachment. Slightly
rotate the cap from side to side until the button locks into
place.
NOTE: The secondary hole in the attachment shaft can be
used for hanging purposes as well.
CLEANING THE AIR FILTER
RBC254SESO
(See Fig. 12)
RBC254SBO (See Fig. 11)
For proper performance and longer life, keep the air fi lter
clean.
■ Ensure the product is in the off position
■ Remove the air filter cover.
■ Remove the air filter and clean it with warm, soapy
water.
■ Rinse, and let the air filter dry completely.
■ Work two drops of lubricant into the air filter.
■ Replace the air filter (fits only one way).
■ Replace the air filter cover.
NOTE: The air fi lter should be replaced annually for the
best performance.
FUEL CAP
WARNING
A leaking fuel cap is a fi re hazard and must be replaced
immediately.
The fuel cap contains a non-serviceable fi lter and a
check valve. A clogged fuel fi lter will cause poor engine
performance. If performance improves when the fuel cap
is loosened, check valve may be faulty or
fi lter clogged.
Replace fuel cap if required.
SPARK PLUG REPLACEMENT
RBC254SESO
(See Fig. 11)
RBC254SBO (See Fig. 10)
WARNING
The material of the spark plug is metal. It becomes very
hot after you stop the engine. Wait the engine to cool
down before you disassemble the metal spark plug
boot to avoid personal injury.
NOTE: The engine uses a Champion RCJ6Y spark plug
or equivalent with 0.63 mm electrode gap. Use an exact
replacement and replace the spark plug annually.
1. Stop the engine.
2. Hold the front portion of the rubber protect boot and
pull it away from the housing.
3. Pull the rubber protect boot upward to release the
hook.
4. Twist the metal spark plug boot and pull it away from
the spark plug.
5. Loosen the spark plug by turning it in a
counterclockwise direction using a combination
wrench. Remove the old spark plug and replace with
a new one. Assemble back the metal spark plug boot
and the rubber protect boot.