Ryobi Outdoor Blower RY08570 User Guide

OPERATOR’S MANUAL  
BACKPACK BLOWER  
RY08570  
Your Backpack Blower has been engineered and manufactured to Ryobi’s high standard for dependability, ease of  
operation, and operator safety. When properly cared for, it will give you years of rugged, trouble-free performance.  
WARNING: To reduce the risk of injury, the user must read and understand the operator's manual before using  
this product.  
Thank you for buying a Ryobi product.  
SAVE THIS MANUAL FOR FUTURE REFERENCE  
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GENERAL SAFETY RULES  
n
Keep firm footing and balance. Do not overreach. Over-  
reaching can result in loss of balance or exposure to hot  
surfaces.  
WARNING:  
Read and understand all instructions. Failure to follow  
all instructions listed below may result in electric shock,  
fire and/or carbon monoxide poisoning which will cause  
death or serious personal injury.  
n
Never operate the unit without a spark arrestor screen;  
this screen is located inside the muffler.  
n
Product users on United States Forest Service land, and  
in some states, must comply with fire prevention regu-  
lations. This product is equipped with a spark arrestor;  
however, other user requirements may apply. Check with  
the federal, state, or local authorities in your area.  
n
Do not allow children or untrained individuals to use this  
unit.  
n
n
Never start or run the engine inside a closed area; breath-  
ing exhaust fumes can kill.  
n
n
Before storing, allow the engine to cool.  
WeareyeprotectionwhichismarkedtocomplywithANSI  
Z87.1 as well as hearing protection when operating this  
equipment.  
Use only Ryobi replacement parts and accessories. Fail-  
ure to do so may cause poor performance or possible  
injury.  
n
n
n
n
Keep all bystanders, children, and pets at least 50 feet  
(15 m) away.  
Maintain the unit per maintenance instructions in this  
operator’s manual.  
Wear heavy long pants, boots, and gloves. Do not wear  
loose fitting clothing, short pants, jewelry of any kind, or  
go barefoot.  
Inspect the unit before each use for loose fasteners, fuel  
leaks, etc. Replace damaged parts.  
SERVICE  
n
To reduce the risk of injury associated with objects being  
drawn into rotating parts, do not wear loose clothing,  
scarves, neck chains, and the like. Secure long hair so it  
is above shoulder level to prevent entanglement in any  
rotating parts.  
nBefore cleaning, repairing, or inspecting, shut off the  
engine and make certain all moving parts have stopped.  
Disconnect the spark plug wire, and keep the wire away  
from the plug to prevent starting.  
nService on the blower must be performed by qualified  
repair personnel only. Service or maintenance performed  
by unqualified personnel could result in injury to the user  
or damage to the product.  
n
Do not operate this unit when you are tired, ill, or under  
the influence of alcohol, drugs, or medication.  
n
n
Do not operate in poor lighting.  
Keep all parts of your body away from any moving parts  
and all hot surfaces of the unit.  
nUse only identical replacement parts when servicing the  
blower. Use of unauthorized parts may create a risk of  
serious injury to the user, or damage to the product.  
n
n
Wear a face filter mask in dusty conditions to reduce the  
risk of injury associated with the inhalation of dust.  
Checktheworkareabeforeeachuse. Removeallobjects  
such as rocks, broken glass, nails, wire, or string which  
can be thrown or become entangled in the machine.  
3
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SPECIFIC SAFETY RULES  
n
n
n
Select bare ground, stop engine, and allow to cool before  
refueling.  
To reduce the risk of hearing loss associated with sound  
level(s), hearing protection is required.  
n
Loosen fuel cap slowly to release pressure and to keep  
fuel from escaping around the cap.  
To reduce the risk of injury associated with contacting  
rotating parts, stop the engine before installing or  
removing attachments. Do not operate without guard(s)  
in place. Always disconnect the spark plug before  
performing maintenance or accessing any movable  
parts.  
n
n
Tighten the fuel cap securely after refueling.  
Wipe spilled fuel from the unit. Move 30 feet away from  
refueling site before starting engine.  
n
Never attempt to burn off spilled fuel under any circum-  
stances.  
n
Do not point the blower nozzle in the direction of people  
or pets.  
nStore fuel in a cool, well-ventilated area, safely away from  
n
n
n
Never run the unit without the blower tubes installed.  
Never place objects inside the blower tubes.  
spark and/or flame-producing equipment.  
nStore fuel in containers specifically designed for this  
Never use for spreading chemicals, fertilizers, toxic sub-  
stances, or any other hazardous chemical.  
purpose.  
nOnly refuel outdoors and do not smoke while refueling.  
n
Always hold the blower in your right hand. Refer to the  
“Operation” later in this manual for additional infor-  
mation.  
nAdd fuel before starting the engine. Never remove the cap  
of the fuel tank or add fuel while the engine is running or  
when the engine is hot.  
nIf fuel is spilled, do not attempt to start the engine but  
move the machine away from the area of spillage and  
avoid creating any source of ignition until fuel vapors  
have dissipated.  
REFUELING  
nFuel is highly flammable. Take precautions when using  
to reduce the chance of serious personal injury.  
n
n
Empty fuel tank and restrain the unit from moving before  
transporting in a vehicle.  
nReplace all fuel tank and container caps securely.  
nWhen draining the fuel tank, use an approved fuel storage  
To reduce the risk of fire and burn injury, handle fuel with  
care. It is highly flammable.  
container while in a well-ventilated area.  
n
Save these instructions. Refer to them frequently and use  
them to instruct others who may use this tool. If you loan  
someone this tool, loan them these instructions also.  
n
n
n
Do not smoke while handling fuel.  
Mix and store fuel in a container approved for gasoline.  
Mix fuel outdoors where there are no sparks or flames.  
4
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SYMBOLS  
Some of the following symbols may be used on this tool. Please study them and learn their meaning. Proper interpre-  
tation of these symbols will allow you to operate the tool better and safer.  
SYMBOL  
NAME  
Safety Alert  
DESIGNATION/EXPLANATION  
Precautions that involve your safety.  
To reduce the risk of injury, user must read and understand  
operator’s manual before using this product.  
Read The Operator’s Manual  
Eye and Hearing Protection  
Wear eye and hearing protection when operating this equipment.  
Failure to keep long hair away from the air inlet could result in  
personal injury.  
Long Hair  
Failure to keep loose clothing from being drawn into air intake  
could result in personal injury.  
Loose Clothing  
Use unleaded gasoline intended for motor vehicle use with an  
octane rating of 87 [(R + M)/2] or higher. This product is powered  
by a 2-cycle engine and requires pre-mixing gasoline and 2-cycle  
oil.  
Gasoline and Oil  
5
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SYMBOLS  
The following signal words and meanings are intended to explain the levels of risk associated with this product.  
SYMBOL  
SIGNAL  
MEANING  
Indicates an imminently hazardous situation, which, if not avoided, will  
result in death or serious injury.  
DANGER:  
Indicates a potentially hazardous situation, which, if not avoided, could  
result in death or serious injury.  
WARNING:  
CAUTION:  
Indicates a potentially hazardous situation, which, if not avoided, may  
result in minor or moderate injury.  
(Without Safety Alert Symbol) Indicates a situation that may result in  
property damage.  
CAUTION:  
SERVICE  
WARNING:  
Servicing requires extreme care and knowledge and should  
be performed only by a qualified service technician. For  
service we suggest you return the product to your nearest  
AUTHORIZED SERVICE CENTER for repair. When servic-  
ing, use only identical replacement parts.  
To avoid serious personal injury, do not attempt to use  
this product until you read thoroughly and understand  
completely the operator’s manual. Save this operator’s  
manual and review frequently for continuing safe opera-  
tion and instructing others who may use this product.  
WARNING:  
The operation of any power tool can result in foreign objects being thrown into your eyes, which can  
result in severe eye damage. Before beginning power tool operation, always wear safety goggles or  
safety glasses with side shields, or a full face shield when needed. We recommend Wide Vision Safety  
Mask for use over eyeglasses or standard safety glasses with side shields. Always use eye protection  
which is marked to comply with ANSI Z87.1.  
SAVE THESE INSTRUCTIONS  
6
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FEATURES  
PRODUCT SPECIFICATIONS  
Weight .....................................................................................................................................................................11.75 lbs.  
Engine displacement....................................................................................................................................................25.4cc  
Air Velocity:  
MPH...............................................................................................................................................................................180  
CFM ...............................................................................................................................................................................375  
HARNESS HEIGHT  
ADJUSTMENTS  
ENGINE  
HARNESS  
STRAPS  
ELBOW  
MESH  
BACKING  
ENGINE  
SWITCH  
STRAIGHT TUBE  
(UPPER TUBE)  
CABLE  
TIE  
WAIST  
HARNESS  
BELLOWS  
NOZZLE  
(LOWER TUBE)  
THROTTLE  
TRIGGER  
THROTTLE HANDLE  
THROTTLE CONTROL HANDLE TUBE  
(UPPER TUBE)  
Fig. 1  
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FEATURES  
KNOW YOUR BLOWER  
THROTTLE TRIGGER  
See Figure 1.  
The blower can be operated at any speed between idle and  
full throttle.  
Before attempting to use this product, familiarize yourself  
with all operating features and safety rules.  
ADJUSTABLE HARNESS AND WAIST STRAPS  
The blower comes with fully adjustable harness and waist  
straps to ensure user comfort and ease of operation.  
MOTOR  
The blower has a powerful 25.4cc engine with sufficient  
power to handle tough jobs.  
MESH BACKING  
The blower comes equipped with a mesh backing which  
aids in user comfort.  
CRUISE CONTROL / THROTTLE LOCK  
The Cruise Control (throttle lock) feature allows the user to  
operate the blower without holding the throttle trigger.  
BLOWER TUBES  
The blower tubes can be assembled and installed on the  
blower without using tools.  
ADJUSTABLE THROTTLE CONTROL HANDLE  
Adjust the throttle control handle easily by loosening handle  
knob, allowing user to position handle in desired location.  
ASSEMBLY  
UNPACKING  
This product requires assembly.  
WARNING:  
If any parts are missing do not operate this tool until the  
missing parts are replaced. Failure to do so could result  
in possible serious personal injury.  
n Carefully remove the tool and any accessories from the  
box. Make sure that all items listed in the packing list are  
included.  
n Inspect the tool carefully to make sure no breakage or  
damage occurred during shipping.  
n Do not discard the packing material until you have care-  
WARNING:  
Do not attempt to modify this tool or create accessories not  
recommended for use with this tool. Any such alteration  
or modification is misuse and could result in a hazardous  
condition leading to possible serious personal injury.  
fully inspected and satisfactorily operated the tool.  
n If any parts are damaged or missing, please call  
1-800-860-4050 for assistance.  
PACKING LIST  
Backpack Blower  
WARNING:  
Elbow  
To prevent accidental starting that could cause serious  
personal injury, always disconnect the engine spark plug  
wire from the spark plug when assembling parts.  
Bellows  
Throttle Control Handle Tube (Upper Tube)  
Straight Tube (Upper Tube)  
Cable Tie (2)  
Nozzle Tube (Lower Tube)  
2-Cycle Engine Oil  
Operator’s Manual  
NOTE: Read and remove all hang tags and store with your  
operator's manual.  
8
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ASSEMBLY  
WARNING:  
Disconnect the spark plug wire before assembling parts.  
Failure to do so could result in possible serious personal  
injury.  
ASSEMBLING THE BLOWER TUBES  
See Figures 2 - 4.  
nAssemble the elbow tube onto blower by aligning raised  
locking tabs on blower unit with the raised locking slots  
on elbow as shown and twist to secure.  
ELBOW  
TUBE  
nAttach bellows onto elbow tube by aligning raised lock-  
ing tabs on elbow tube with the raised locking slots on  
bellows and twist to secure.  
BELLOWS  
THROTTLE  
CONTROL  
HANDLE TUBE  
(UPPER TUBE)  
nAttach throttle control handle tube onto bellows by  
aligning raised locking tabs on bellows with the raised  
locking slots on throttle control handle tube and twist to  
secure.  
Fig. 2  
NOTE: The position of the throttle control handle may be  
adjusted for the best comfort after the blower is strapped  
onto the operator’s back.  
THROTTLE CONTROL  
HANDLE TUBE  
(UPPER TUBE)  
nJoin the straight upper tube and nozzle together by align-  
ing raised locking tabs on straight upper tube with the  
raised locking slots on nozzle and twist to secure.  
nAssemble the connected lower tubes to the throttle  
control handle tube by aligning raised locking tabs on  
the throttle control handle tube with the raised locking  
slots on connected lower tubes by twisting to secure.  
NOZZLE  
NOTE: Check all locking connections after initial run to  
ensure they are tightly secured.  
UPPER TUBE  
nHold the throttle cable against the bellows and install the  
cable ties. Cable ties should be tight enough to retain  
the throttle cable to the bellows but still allow for move-  
ment.  
Fig. 3  
THROTTLE  
CONTROL  
HANDLE TUBE  
(UPPER TUBE)  
THROTTLE  
CABLE  
CABLE TIE  
Fig. 4  
9
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ASSEMBLY  
To adjust waist strap assembly:  
nWaist strap should be tightened or loosened until adjusted  
CAUTION:  
to a comfortable operating position.  
Make all adjustments to the harness straps before start-  
ing the blower to avoid the possibility of injury.  
ADJUSTING THROTTLE CONTROL HANDLE  
See Figure 5.  
ADJUSTING HARNESS AND WAIST STRAPS nLoosen throttle control handle locking screw by twisting  
counterclockwise.  
Straps should be adjusted to a comfortable position before  
nMove throttle control handle to desired position and  
starting the blower.  
secure locking screw by twisting clockwise.  
To adjust harness strap assembly:  
nBlower should be in operating position before adjusting  
the harness straps. Slip arm through harness strap and  
onto shoulder, then repeat for the other shoulder.  
nThere are three possible height adjustment positions that  
can be used to easily adjust harness assembly.  
nSlip top buckle of harness assembly from adjustment slot  
and position to desired height location.  
nTighten (pull down on strap) or loosen (lift up on tab of  
strap buckle) each harness strap as needed, until each  
are adjusted to a comfortable operating position.  
nChest strap should be tightened or loosened until adjusted  
Fig. 5  
to a comfortable operating position.  
OPERATION  
MIXING THE FUEL  
WARNING:  
This product is powered by a 2-cycle engine and requires  
pre-mixing gasoline and 2-cycle oil. The mixture should be  
at a 50:1 ratio, using Premium Exact Mix™ 2-cycle engine  
oil. If Premium Exact Mix™ 2-cycle engine oil is not avail-  
able, use a high quality 2-cycle engine oil, mixed at a 50:1  
ratio. See chart later in this section.  
Do not allow familiarity with tools to make you care-  
less. Remember that a careless fraction of a second is  
sufficient to inflict serious injury.  
WARNING:  
To mix the fuel:  
Always wear safety goggles or safety glasses with side  
shields when operating power tools. Failure to do so  
could result in objects being thrown into your eyes  
resulting in possible serious injury.  
n Use a clean container that is approved for use with gaso-  
line.  
n Mix the Premium Exact Mix™ 2-cycle engine oil with  
unleaded gasoline in the container, according to the  
instructions on the oil package.  
APPLICATIONS  
You may use this tool for the purposes listed below:  
NOTE: This engine is certified to operate on unleaded gaso-  
line intended for automotive use with an octane rating of 87  
[(R + M) / 2] or higher. Do not use automotive oil or 2-cycle  
outboard oil.  
NOTE: Premium Exact Mix™ fuel mixture will stay fresh up  
to 30 days. DO NOT mix quantities larger than usable in a  
30 day period.  
nClear leaves and other debris from your lawn  
nKeep decks and driveways free from leaves and pine  
needles  
WARNING:  
PREMIUM EXACT MIX™ (50:1)  
Gasoline is extremely flammable and explosive. A fire or  
explosion from gasoline will burn you and others.  
GASOLINE  
OIL  
1 gallon (US)  
1 Liter  
2.6 oz.  
20 cc (20 ml)  
10  
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OPERATION  
nSet the choke lever to the START position.  
FILLING THE TANK  
WARNING:  
Always stop the engine before filling the fuel tank. Never  
add fuel to a machine with a running or hot engine. Move  
atleast30ft.fromtherefuelingareabeforestartingengine.  
Do not smoke while filling the tank.  
NOTE: If restarting a warm engine, leave the choke lever  
in the RUN position.  
nPull the starter cord until the engine runs.  
nReturn the starter cord gently to the starter housing. Do  
not allow the rope to snap back.  
nAllow the engine to run for 15 seconds to warm up before  
using.  
n Cleanthesurfacearoundthefuelcaptopreventcontami-  
nEngage the throttle trigger to operate.  
To stop the Backpack Blower:  
n Release the throttle trigger.  
nation.  
n Loosen the fuel cap slowly, by turning it counter-  
clockwise.  
n Press and hold the engine switch to the “O” or STOP posi-  
n Pour the fuel mixture carefully into the tank.  
tion.  
n Clean and inspect the fuel cap gasket before replacing  
To Remove Backpack Blower:  
the fuel cap.  
nMove harness straps off the shoulders. Let straps slide  
n Replace the fuel cap and tighten it by turning it clock-  
down arms.  
wise.  
nGrasp the straps and lower the blower to the ground.  
n Wipe spilled fuel from the product.  
n Move at least 30 ft. away from refueling area before start-  
ENGINE  
SWITCH  
ing the product.  
WARNING:  
Check for fuel leaks. If you find any leaks, correct the  
problem before using the product.  
WARNING:  
CRUISE CONTROL  
(THROTTLE LOCK)  
A leaking fuel cap is a fire hazard and must be replaced  
immediately.  
THROTTLE  
TRIGGER  
Fig. 6  
STARTING AND STOPPING  
See Figures 6 - 7.  
CHOKE  
LEVER  
CHOKE  
LEVER  
NOTE: It is normal for smoke to be emitted from a new  
engine during first use.  
START  
POSITION  
To start an engine that is cold or has run dry:  
RUN  
POSITION  
nFill the fuel tank, if necessary. Always use the proper  
oil/gasoline mixture. See “Mixing the Fuel” on page 10.  
nDisengage the cruise control lever.  
NOTE: Do not engage the throttle trigger during the  
starting process.  
nSlowly push the primer bulb seven times.  
Fig. 7  
11  
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OPERATION  
PROPER OPERATING POSITION  
WARNING  
Keep away from all hot surfaces of the blower. Failure to  
do so could result in possible serious personal injury.  
OPERATING THE BLOWER  
See Figure 8.  
nStart the blower. Refer to “Starting and Stopping” earlier  
in this manual. Slip arm through harness strap and onto  
shoulder, then repeat for the other shoulder. Adjust the  
straps to a comfortable position. Refer to “Adjusting Har-  
ness Straps” earlier in this manual. Operate the blower  
from the right side as shown in illustration.  
nTo keep from scattering debris, blow around the outer  
edges of a debris pile. Never blow directly into the center  
of a pile.  
nTo reduce sound levels, limit the number of pieces of  
equipment used at any one time.  
nOperate blower at the lowest possible throttle speed to  
do the job.  
nCheck your equipment before operation, especially the  
muffler, air intakes and air filters.  
nUse rakes and brooms to loosen debris before blowing.  
In dusty conditions, slightly dampen surfaces when water  
is available.  
nConserve water by using power blowers instead of hoses  
for many lawn and garden applications, including areas  
such as gutters, screens, patios, grills, porches and  
gardens.  
Fig. 8  
nWatch out for children, pets, open windows or freshly  
washed cars, and blow debris safely away.  
nUse the nozzle for larger volume, so the air stream can  
work close to the ground.  
nAfter using blowers or other equipment, CLEAN UP!  
Dispose of debris properly.  
CRUISE CONTROL  
(THROTTLE LOCK)  
CRUISE CONTROL / THROTTLE LOCK  
The Cruise Control (throttle lock) can be used to operate the  
blower without holding the throttle trigger.  
To engage the cruise control / throttle lock:  
See Figure 9.  
n Pull cruise control lever back toward user, and stop at  
THROTTLE TRIGGER  
the desired throttle setting.  
n To release the cruise control, push cruise control lever all  
the way toward the front of unit.  
Fig. 9  
12  
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MAINTENANCE  
REPLACING AND CLEANING AIR FILTER  
See Figure 10.  
WARNING:  
A wet or dirty air filter can affect the way the engine starts,  
performs, and wears. The air filter should be checked and  
cleaned after 8 hours of operation. If working in dusty soil,  
check the air filter after each refueling.  
When servicing, use only identical Ryobi replacement  
parts. Use of any other parts may create a hazard or  
cause product damage.  
For best performance, the air filter should be replaced once  
each year.  
WARNING:  
To clean the air filter:  
Always wear safety goggles or safety glasses with side  
shields during power tool operation or when blowing  
dust. If operation is dusty, also wear a dust mask.  
nLoosen the knob on the air filter cover.  
nRemove the cover.  
nLift the edge of the air filter carefully and peel it out.  
nWash the air filter with warm, soapy water.  
nRinse and squeeze to dry.  
WARNING:  
Before inspecting, cleaning, or servicing the machine,  
shut off engine, wait for all moving parts to stop, and  
disconnect spark plug wire and move it away from spark  
plug. Failure to follow these instructions can result in  
serious personal injury or property damage.  
nReinstall the air filter.  
NOTE: Make sure the filter is seated properly inside the  
cover. Installing the filter incorrectly will allow dirt to enter  
the engine, causing rapid engine wear.  
nReinstall the cover.  
nTighten knob to secure.  
GENERAL MAINTENANCE  
Avoid using solvents when cleaning plastic parts. Most  
plastics are susceptible to damage from various types of  
commercial solvents and may be damaged by their use. Use  
clean cloths to remove dirt, dust, oil, grease, etc.  
AIR FILTER  
KNOB  
WARNING:  
Do not at any time let brake fluids, gasoline, petroleum-  
based products, penetrating oils, etc., come in contact  
with plastic parts. Chemicals can damage, weaken or  
destroy plastic which may result in serious personal  
injury.  
AIR FILTER  
COVER  
Only the parts shown on the parts list are intended to be  
repaired or replaced by the customer. All other parts should  
be replaced at a Ryobi Authorized Service Center.  
Fig. 10  
13  
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MAINTENANCE  
SPARK ARRESTOR  
WARNING:  
The muffler is equipped with a spark arrestor screen inside  
muffler body. After extended use the screen can become  
dirty and the screen may need to be replaced by an autho-  
rized servicing dealer.  
A leaking fuel cap is a fire hazard and must be replaced  
immediately.  
SPARK PLUG  
This engine uses a Champion RCJ4 with 0.63 mm  
(0.025 in.) electrode gap. Use an exact replacement and  
replace annually.  
WARNING:  
To avoid a fire hazard, never run the blower without the  
spark arrestor in place.  
STORAGE (1 MONTH OR LONGER)  
n Drain all fuel from the tank into a container approved for  
CLEANING THE EXHAUST PORT AND MUFFLER  
gasoline. Run engine until it stops.  
Depending on the type of fuel used, the type and amount of  
oil used, and/or your operating conditions, the exhaust port,  
muffler, and/or spark arrestor screen may become blocked  
with carbon deposits. If you notice a power loss with your  
gas powered tool, you may need to remove these deposits  
to restore performance. We highly recommend that only  
qualified service technicians perform this service.  
n Clean all foreign material from the blower. Store it in a  
well-ventilatedplacethat isinaccessibletochildren.Keep  
away from corrosive agents such as garden chemicals  
and de-icing salts.  
n Abide by all Federal and local regulations for the safe  
storage and handling of gasoline. Excess fuel should be  
used up in other 2-cycle engine powered equipment.  
FUEL CAP  
The fuel cap contains a non-serviceable filter and a check  
valve. A clogged fuel filter will cause poor engine per-  
formance. If performance improves when the fuel cap is  
loosened, the check valve may be faulty or filter clogged.  
Replace the fuel cap if required.  
14  
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ACCESSORIES  
The following recommended accessories are currently  
available.  
WARNING:  
ACCESSORIES  
Current attachments and accessories available  
for use with this tool are listed. Do not use any  
attachments or accessories not recommended by the  
manufacturer of this tool. The use of attachments or  
accessories not recommended can result in serious  
personal injury.  
Air Filter .........................................Power Care - AP04107  
Spark Plug......................................... Champion - RCJ-6Y  
Fuel Cap.............................................................. AP04108  
2-Cycle Oil.......................... (2.6 FL. OZ - 76 ml) AR99G01  
TROUBLESHOOTING  
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM, CONTACT YOUR AUTHORIZED SERVICING DEALER.  
PROBLEM  
Engine fails to start.  
CAUSE  
REMEDY  
No fuel in tank.  
Fill tank.  
Spark plug shorted or fouled.  
Replace spark plug.  
Replace spark plug.  
Spark plug is broken (cracked  
porcelain or electrodes broken).  
Ignition lead wire shorted, broken, or Replace lead wire or attach to spark  
disconnected from spark plug.  
plug.  
Ignition inoperative.  
Contact authorized service center.  
Engine hard to start.  
Water in gasoline or stale fuel mixture. Drain entire system and refill with fresh  
fuel.  
Too much oil in fuel mixture.  
Engine is under or over choked.  
Weak spark at spark plug.  
Air filter clogged.  
Drain and refill with correct mixture.  
Adjust choke as necessary.  
Contact authorized service center.  
Clean or replace air filter.  
Engine lacks power.  
Engine overheats.  
Insufficient oil in fuel mixture.  
Mix fuel as described in starting  
instructions.  
15  
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WARRANTY  
LIMITED WARRANTY STATEMENT  
In addition, this warranty does not cover:  
Ryobi Technologies, Inc. warrants to the original retail  
purchaser that this Ryobi Technologies, Inc. product is  
free from defect in material and workmanship and agrees  
torepairorreplace,atRyobiTechnologies,Inc.’sdiscretion,  
any defective product free of charge within these time  
periods from the date of purchase.  
A. Tune-ups – Spark Plugs, Carburetor, Carburetor  
Adjustments, Ignition, Filters  
B. Wear items – Bump Knobs, Outer Spools, Cutting  
Lines, Inner Reels, Starter Pulleys, Starter Ropes, Drive  
Belts,Tines,FeltWashers,HitchPins,MulchingBlades,  
Blower Fans, Blower and Vacuum Tubes, Vacuum Bag  
and Straps, Guide Bars, Saw Chains  
n Two years if the product is used for personal, family or  
household use;  
Ryobi Technologies, Inc. reserves the right to change or  
improvethedesignofanyRyobiTechnologies,Inc.product  
without assuming any obligation to modify any product  
previously manufactured.  
n 90 days, if used for any other purpose, such as  
commercial or rental.  
This warranty extends to the original retail purchaser  
only and commences on the date of the original retail  
purchase.  
ALL IMPLIED WARRANTIES ARE LIMITED IN DURATION  
TO THE STATED WARRANTY PERIOD. ACCORDINGLY,  
ANY SUCH IMPLIED WARRANTIES INCLUDING  
MERCHANTABILITY, FITNESS FOR A PARTICULAR  
PURPOSE, OR OTHERWISE, ARE DISCLAIMED IN  
THEIR ENTIRETY AFTER THE EXPIRATION OF THE  
APPROPRIATE TWO-YEAR, ONE-YEAR, OR NINETY  
DAY WARRANTY PERIOD. RYOBI TECHNOLOGIES,  
INC.’S OBLIGATION UNDER THIS WARRANTY IS  
STRICTLY AND EXCLUSIVELY LIMITED TO THE REPAIR  
OR REPLACEMENT OF DEFECTIVE PARTS AND  
RYOBI TECHNOLOGIES, INC.DOES NOT ASSUME OR  
AUTHORIZE ANYONE TO ASSUME FOR THEM ANY  
OTHER OBLIGATION. SOME STATES DO NOT ALLOW  
LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY  
LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY  
TO YOU. RYOBI TECHNOLOGIES, INC. ASSUMES NO  
RESPONSIBILITY FOR INCIDENTAL, CONSEQUENTIAL,  
OROTHERDAMAGESINCLUDING,BUTNOTLIMITEDTO,  
EXPENSEOFRETURNINGTHERYOBITECHNOLOGIES,  
INC. PRODUCT TO AN AUTHORIZED SERVICE DEALER  
ANDEXPENSEOFDELIVERINGITBACKTOTHEOWNER,  
MECHANIC’STRAVELTIME,TELEPHONEORTELEGRAM  
CHARGES, RENTAL OF A LIKE PRODUCT DURING THE  
TIME WARRANTY SERVICE IS BEING PERFORMED,  
TRAVEL, LOSS OR DAMAGE TO PERSONAL PROPERLY,  
LOSS OF REVENUE, LOSS OF USE OF THE PRODUCT,  
LOSS OF TIME, OR INCONVENIENCE. SOME STATES  
DO NOT ALLOW THE EXCLUSION OR LIMITATION OF  
INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE  
ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY  
TO YOU.  
Any part of the Ryobi Technologies, Inc. product  
manufactured or supplied by Ryobi Technologies, Inc. and  
found in the reasonable judgment of Ryobi Technologies,  
Inc. to be defective in material or workmanship will be  
repaired or replaced by an authorized Ryobi Technologies,  
Inc. service dealer without charge for parts and labor.  
Theproduct,includinganydefectivepart,mustbereturned  
to an authorized service dealer within the warranty period.  
The expense of delivering the Ryobi Technologies, Inc.  
product to the dealer for warranty work and the expense  
ofreturningitbacktotheownerafterrepairorreplacement  
will be paid by the owner. Ryobi Technologies, Inc.’s  
responsibility in respect to claims is limited to making the  
required repairs or replacements and no claim of breach  
of warranty shall be cause for cancellation or rescission  
of the contract of sale of any Ryobi Technologies, Inc.  
product. Proof of purchase will be required by the dealer  
to substantiate any warranty claim. All warranty work must  
be performed by an authorized Ryobi Technologies, Inc.  
service dealer.  
This warranty is limited to ninety (90) days from the date  
of original retail purchase for any Ryobi Technologies, Inc.  
product that is used for rental or commercial purposes, or  
any other income-producing purpose.  
This warranty does not cover any Ryobi Technologies,  
Inc. product that has been subject to misuse, neglect,  
negligence, or accident, or that has been operated in any  
way contrary to the operating instructions as specified  
in this operator’s manual. This warranty does not apply  
to any damage to the Ryobi Technologies, Inc. product  
that is the result of improper maintenance or to any  
Ryobi Technologies, Inc. product that has been altered  
or modified. The warranty does not extend to repairs  
made necessary by normal wear or by the use of parts or  
accessories which are either INCOMPATIBLE WITH THE  
RYOBITECHNOLOGIES,INC.productoradverselyaffect  
its operation, performance, or durability.  
This warranty gives you specific legal rights, and you may  
also have other rights which vary from state to state.  
This warranty applies to all Ryobi Technologies, Inc.  
products manufactured by Ryobi Technologies, Inc. and  
sold in the United States and Canada.  
To locate your nearest service dealer, dial 1-800-860-4050.  
16  
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WARRANTY  
THE FOLLOWING CALIFORNIA AIR RESOURCES BOARD (CARB) STATEMENT ONLY APPLIES  
TO MODEL NUMBERS REQUIRED TO MEET THE CARB REQUIREMENTS.  
RYOBI TECHNOLOGIES, INC. LIMITED WARRANTY FEDERAL AND CALIFORNIA EMISSION  
CONTROL SYSTEMS NON-ROAD AND SMALL OFF-ROAD ENGINES  
The U.S. Environmental Protection Agency (EPA), the California Air Resources Board (CARB), and Ryobi Technologies, Inc. are pleased  
to explain the Emission Control System Warranty on your non-road or small off-road engine. In California, new small off-road engines  
must be designed, built and equipped to meet the state’s stringent anti-smog standards. In other states, new 2000 and later model  
year non-road engines must be designed, built, and equipped, at the time of sale, to meet the U.S. EPA regulations for small non-road  
engines. The non-road engine must be free from defects in materials and workmanship which cause it to fail to conform with U.S. EPA  
standards for the first two years of engine use from the date of sale to the ultimate purchaser. Ryobi Technologies, Inc. must warrant  
the emission control system on your non-road or small off-road engine for the period of time listed above provided there has been no  
abuse, neglect, or improper maintenance of your non-road or small off-road engine.  
Your emission control system may include parts such as the carburetor or fuel injection system, the ignition system, and the catalytic  
converter. Also included may be hoses, belts and connectors, and other emission related assemblies.  
Where a warrantable condition exists, Ryobi Technologies, Inc. will repair your non-road or small off-road engine at no cost to you,  
including diagnosis (if the diagnostic work is performed at an authorized dealer), parts, and labor.  
MANUFACTURER’S WARRANTY COVERAGE:  
The 1995 and later small off-road engines are warranted for two years in California. In other states, 1997 and later model year non-  
road engines are also warranted for two years. If any emission-related part on your engine is defective, the part will be repaired or  
replaced by Ryobi Technologies, Inc. free of charge.  
OWNER’S WARRANTY RESPONSIBILITIES  
(a) As the non-road or small off-road engine owner, you are responsible for the performance of required maintenance listed in your  
operator’s manual. Ryobi Technologies, Inc. recommends that you retain all receipts covering maintenance on your non-road or  
small off-road engine, but Ryobi Technologies, Inc., cannot deny warranty solely for the lack of receipts or for your failure to ensure  
the performance of all scheduled maintenance. Any replacement part or service that is equivalent in performance and durability  
may be used in non-warranty maintenance or repairs, and shall not reduce the warranty obligations of the engine manufacturer.  
(b) As the non-road or small off-road engine owner, you should be aware, however, that Ryobi Technologies, Inc., may deny you  
warranty coverage if your non-road or small off-road engine or a part has failed due to abuse, neglect, improper maintenance, or  
unapproved modifications.  
(c) You are responsible for presenting your non-road or small off-road engine to a Ryobi Technologies, Inc., service dealer as soon as  
a problem exists. The warranty repairs should be completed in a reasonable amount of time, not to exceed 30 days.  
If you have any questions regarding your warranty rights and responsibilities, you should contact a Ryobi Technologies, Inc., Customer  
Representative at 1-800-860-4050.  
COVERAGE:  
Ryobi Technologies, Inc. warrants to the ultimate purchaser and each subsequent purchaser that your non-road or small off-road  
engine will be designed, built, and equipped, at the time of sale, to meet all applicable regulations. Ryobi Technologies, Inc. also war-  
rants to the initial purchaser and each subsequent purchaser that your non-road or small off-road engine is free from defects in mate-  
rials and workmanship which cause the engine to fail to conform with applicable regulations for a period of two years. The 1995 and  
later small off road engines are warranted for two years in California. In all other states for 1997 and later model years, EPA requires  
manufacturers to warrant non-road engines for two years. These warranty periods will begin on the date the non-road or small off-  
road engine is purchased by the initial purchaser. If any emission-related part on your engine is defective, the part will be replaced by  
Ryobi Technologies, Inc. at no cost to the owner.  
Ryobi Technologies, Inc. shall remedy warranty defects at any authorized Ryobi Technologies, Inc. engine dealer or warranty sta-  
tion. Any authorized work done at an authorized dealer or warranty station shall be free of charge to the owner if such work deter-  
mines that a warranted part is defective. Any manufacturer-approved or equivalent replacement part may be used for any warranty  
maintenance or repairs on emission-related parts, and must be provided free of charge to the owner if the part is still under warranty.  
Ryobi Technologies, Inc. is liable for damages to other engine components caused by the failure of a warranted part still under warranty.  
The California Air Resources Board’s Emission Warranty Parts List specifically defines the emission-related warranted parts. (EPA’s  
regulations do not include a parts list, but EPA considers emission-related warranted parts to include all the parts listed below.)  
These warranted parts are: Carburetor, Spark Plug, Ignition, Air Filter, and Fuel Filter.  
MAINTENANCE REQUIREMENTS  
The owner is responsible for the performance of the required maintenance as defined by Ryobi Technologies, Inc. in the operator’s  
manual.  
LIMITATIONS  
The Emission Control Systems Warranty shall not cover any of the following:  
(a) repair or replacement required because of misuse or neglect, lack of required maintenance, repairs improperly performed or  
replacements not conforming to Ryobi Technologies, Inc. specifications that adversely affect performance and/or durability, and  
alterations or modifications not recommended or approved in writing by Ryobi Technologies, Inc., and  
(b) replacement of parts and other services and adjustments necessary for required maintenance at and after the first scheduled  
replacement point.  
The Emissions Compliance Period referred to on the Emissions Compliance label indicates the number of operating hours for which  
the engine has been shown to meet Federal emission requirements. Category C=50 hours, B=125 hours, and A=300 hours.  
17  
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WARRANTY  
THIS PRODUCT WAS MANUFACTURED WITH A CATALYST MUFFLER  
Congratulations! You have made an investment toward protecting the environment. In order to maintain this product’s  
original emission level, please refer to the maintenance section below.  
EMISSIONS MAINTENANCE SCHEDULE AND WARRANTED PARTS LIST  
Emissions Parts  
Inspect Before  
Each Use  
Clean Every  
5 Hours  
Replace  
Every 25 Hours  
or Yearly  
Clean Every  
25 Hours  
or Yearly  
Replace Every  
50 Hours  
CATALYTIC MUFFLER ASSEMBLY ................................................................................................................... X  
AIR FILTER ASSY  
includes:  
Filter ................................................................. X............................. X  
SPARK SCREEN ..................................................................................................................X  
CARBURETOR ASSY  
includes:  
Heat Dam  
Gaskets  
FUEL TANK ASSY  
includes:  
Fuel Lines........................ X  
Fuel Cap.......................... X  
Fuel Filter  
IGNITION ASSY  
includes:  
Spark Plug........................................................................................ X  
ALL EMISSIONS RELATED PARTS ARE WARRANTED FOR TWO YEARS OR FOR THE PERIOD OF TIME PRIOR TO  
THE PARTS FIRST SCHEDULED REPLACEMENT WHICHEVER COMES FIRST.  
CALL US FIRST  
For any questions about operating or maintaining your product,  
call the Ryobi® Help Line!  
Your product has been fully tested prior to shipment to ensure  
your complete satisfaction.  
18  
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NOTES  
19  
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OPERATOR’S MANUAL  
BACKPACK BLOWER  
RY08570  
WARNING:  
The engine exhaust from this product contains chemicals known to the State of California to cause  
cancer, birth defects, or other reproductive harm.  
CALIFORNIA PROPOSITION 65  
• SERVICE  
Now that you have purchased your tool, should a need ever exist for repair parts or  
service, simply contact your nearest Ryobi Authorized Service Center. Be sure to provide  
all pertinent facts when you call or visit. Please call 1-800-860-4050 for your nearest Ryobi  
complete list of Authorized Service Centers.  
• MODEL NO. AND SERIAL NO.  
The model number of this tool will be found on a plate attached to the motor housing.  
Please record the model number and serial number in the space provided below.  
• HOW TO ORDER REPAIR PARTS  
When ordering repair parts, always give the following information:  
RY08570  
• MODEL NUMBER  
• SERIAL NUMBER  
TECHTRONIC INDUSTRIES NORTH AMERICA, INC.  
1428 Pearman Dairy Road, Anderson, SC 29625  
Phone 1-800-860-4050  
983000-699  
3-05  
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