Ryobi Trimmer RY30542 User Guide

OPERATOR’S MANUAL  
30cc String Trimmers and Brushcutters  
SS30  
RY30542/RY30943  
CS30  
RY30522/RY30923  
BC30  
RY30562/RY30963  
Your new trimmer has been engineered and manufactured to our high standard for dependability, ease of operation, and  
operator safety. 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 your purchase.  
SAVE THIS MANUAL FOR FUTURE REFERENCE  
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GENERAL SAFETY RULES  
Do not touch area around the muffler or cylinder of the  
WARNING:  
unit, these parts get hot from operation.  
Always stop the engine and remove the spark plug wire  
before making any adjustments or repairs except for  
carburetor adjustments. Wear your protective equipment  
andobserveallsafetyinstructions.Whentheunitisturned  
off, makesurethecuttingattachmenthasstoppedbefore  
setting the unit down.  
Read and understand all instructions. Failure to follow all  
instructions listed below may result in electric shock, fire  
and/or serious personal injury.  
READ ALL INSTRUCTIONS  
For safe operation, read and understand all instructions  
before using this product. Follow all safety instructions.  
Failure to follow all safety instructions listed below, can  
result in serious personal injury.  
Inspect the unit before each use for loose fasteners, fuel  
leaks, etc. Replace any damaged parts before use.  
The string head or blade will rotate during carburetor  
adjustments.  
Do not allow children or untrained individuals to use this  
It has been reported that vibrations from hand-held tools  
maycontributetoaconditioncalledRaynaud’sSyndrome  
in certain individuals. Symptoms may include tingling,  
numbness, andblanchingofthefingers, usuallyapparent  
upon exposure to cold. Hereditary factors, exposure to  
cold and dampness, diet, smoking, and work practices  
are all thought to contribute to the development of these  
symptoms.Itispresentlyunknownwhat, ifany, vibrations  
or extent of exposure may contribute to the condition.  
There are measures that can be taken by the operator to  
possibly reduce the effects of vibration:  
unit.  
Never start or run the engine in a closed or poorly venti-  
lated area; breathing exhaust fumes can kill.  
Clear the work area before each use. Remove all objects  
such as rocks, broken glass, nails, wire, or string which  
can be thrown or become entangled in the cutting line  
or blade.  
Wearsafetyglassesorgogglesthataremarkedtocomply  
with ANSI Z87.1 standard when operating this product.  
Wear heavy, long pants, boots, and gloves. Do not wear  
loosefittingclothing,shortpants,sandals,orgobarefoot.  
Do not wear jewelry of any kind.  
a) Keep your body warm in cold weather. When oper-  
ating the unit wear gloves to keep hands and wrists  
warm. It is reported that cold weather is a major factor  
contributing to Raynaud’s Syndrome.  
Product users on United States Forest Service land,  
and in some states, must comply with fire prevention  
regulations.Thisproductisequippedwithasparkarrestor;  
however, other user requirements may apply. Check with  
your federal, state, or local authorities.  
b) After each period of operation, exercise to increase  
blood circulation.  
c) Take frequent work breaks. Limit the amount of  
exposure per day.  
Never operate this unit on the operator’s left side.  
Secure long hair above shoulder level to prevent  
d) Keep the tool well maintained, fasteners tightened,  
and worn parts replaced.  
entanglement in moving parts.  
Keep all bystanders, children, and pets at least  
50 ft. away. Bystanders should be encouraged to wear  
eye protection.  
If you experience any of the symptoms of this condition,  
immediatelydiscontinueuseandseeyourphysicianabout  
these symptoms.  
Do not operate this unit when you are tired, ill, or under  
Mix and store fuel in a container approved for gasoline.  
the influence of alcohol, drugs, or medication.  
Mix fuel outdoors where there are no sparks or flames.  
Wipe up any fuel spillage. Move 30 ft. away from refueling  
site before starting engine. Slowly remove the fuel cap  
after stopping engine. Do not smoke when refueling.  
Do not operate in poor lighting.  
Keep firm footing and balance. Do not overreach.  
Overreaching can result in loss of balance or exposure  
to hot surfaces.  
Stop the engine and allow to cool before refueling or  
storing the unit.  
Keep all parts of your body away from any moving  
part.  
Allow the engine to cool; empty the fuel tank and secure  
the unit from moving before transporting in a vehicle.  
To avoid hot surfaces, never operate the unit with the  
bottom of the engine above waist level.  
3
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SPECIFIC SAFETY RULES  
Replace any blade that has been damaged. Always make  
SPECIFIC SAFETY RULES FOR TRIMMER  
USE  
Replace string head if cracked, chipped, or damaged  
in any way. Be sure the string head or blade is properly  
installedandsecurelyfastened.Failuretodosocancause  
serious injury.  
sure blade is installed correctly and securely fastened  
before each use. Failure to do so can cause serious  
injury.  
Use only the manufacturer’s replacement Tri-Arc® blade  
intended for use on this brushcutter. Do not use any other  
blade. To install any other brand blade or cutting head to  
this brushcutter can result in serious personal injury.  
The Tri-Arc® blade is suited for cutting thicker weeds or  
pulpy stalks only. Do not use for any other purpose. Never  
use the Tri-Arc® blade to cut woody brush.  
Make sure all guards, straps, deflectors, and handles are  
properly and securely attached.  
Use only the manufacturer’s replacement string in the  
cutting head. Do not use any other cutting attachment.  
To install any other brand of replacement string or cutting  
head to this string trimmer can result in serious personal  
injury.  
Exercise extreme caution when using the blade with this  
unit. Blade thrust is the reaction that may occur when  
the spinning blade contacts anything it cannot cut. This  
contact may cause the blade to stop for an instant, and  
suddenly “thrust” the unit away from the object that was  
hit. This reaction can be violent enough to cause the op-  
erator to lose control of the unit. Blade thrust can occur  
without warning if the blade snags, stalls, or binds. This is  
more likely to occur in areas where it is difficult to see the  
material being cut. For cutting ease and safety, approach  
the weeds being cut from the right to the left. In the event  
an unexpected object or woody stock is encountered, this  
could minimize the blade thrust reaction.  
Never operate unit without the grass deflector in place  
and in good condition.  
Maintain a firm grip on both handles while trimming. Keep  
string head below waist level. Never cut with the string  
head located over 30 in. or more above the ground.  
SPECIFIC SAFETY RULES FOR BRUSH-  
CUTTER AND BLADE USE  
After engine stops, keep rotating blade in thicker weeds  
or pulpy stalks until it stops.  
Do not operate the brushcutter unless the brushcutter  
Never cut any material over 1/2 in. diameter.  
guard is firmly secured in place and in good condition.  
Always wear the shoulder harness when using the brush-  
cutter and adjust to a comfortable operating position.  
Maintain a firm grip on both handles while cutting with a  
blade. Keep the blade away from your body and below  
waist level.  
Use heavy gloves when operating the brushcutter and  
when installing or removing blades.  
Always stop the engine and remove the spark plug wire  
before attempting to remove any obstruction caught or  
jammed in the blade or before removing and installing  
the blade.  
Never use the brushcutter with the blade located 30 in.  
or more above the ground level.  
Do not attempt to touch or stop the blade when it is  
rotating.  
A coasting blade can cause injury while it continues  
to spin after the engine is stopped or throttle trigger  
released. Maintain proper control until the blade has  
completely stopped rotating.  
4
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SYMBOLS  
Some of the following symbols may be used on this product. Please study them and learn their meaning for safe  
operation of this product.  
SYMBOL  
NAME  
EXPLANATION  
Safety Alert  
Precautions that involve your safety.  
To reduce the risk of injury, user must read and under-  
stand operator’s manual before using this product.  
Read the Operator’s Manual  
Wear Eye and Hearing Protection  
Keep Bystanders Away  
Ricochet  
Wear eye protection which is marked to comply  
with ANSI Z87.1 as well as hearing protection when  
operating this equipment.  
Keep all bystanders at least 50 ft. away.  
Thrown objects can ricochet and result in personal injury  
or property damage.  
Do not install or use any type of blade on a product dis-  
playing this symbol.  
No Blade  
Beware of blade thrust. Products authorized for blade use  
will display this symbol to warn of blade thrust.  
Blade Thrust  
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:  
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.  
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 com-  
pletely the operator’s manual. If you do not understand  
the warnings and instructions in the operator’s manual,  
do not use this product. Call Ryobi customer service for  
assistance.  
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 and, when needed, a full face shield. 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 - (without fuel)  
CS30..................................................................................................................................................................10.7 lbs.  
SS30 ..................................................................................................................................................................12.1 lbs.  
BC30..................................................................................................................................................................12.9 lbs.  
String cutting width  
CS30.......................................................................................................................................................................17 in.  
SS30 .......................................................................................................................................................................18 in.  
BC30.......................................................................................................................................................................18 in.  
Blade cutting width  
BC30.........................................................................................................................................................................8 in.  
Engine displacement .................................................................................................................................................30cc  
String diameter  
CS30................................................................................................................................................................... .080 in.  
SS30 ................................................................................................................................................................... .095 in.  
BC30................................................................................................................................................................... .095 in.  
CS30  
STARTER  
GRIP AND  
ROPE  
REAR  
HANDLE  
TRIGGER  
LOCK  
PRIMER  
BULB  
COUPLER  
THROTTLE  
TRIGGER  
DRIVE SHAFT  
HOUSING  
FRONT  
HANDLE  
KNOB  
CURVED SHAFT  
GRASS DEFLECTOR  
STRING HEAD  
Fig. 1a  
7
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FEATURES  
SS30  
STARTER GRIP  
AND ROPE  
REAR  
HANDLE  
TRIGGER  
LOCK  
PRIMER  
BULB  
COUPLER  
THROTTLE  
TRIGGER  
DRIVE SHAFT  
HOUSING  
FRONT  
HANDLE  
STRING  
HEAD  
KNOB  
STRAIGHT SHAFT  
GRASS DEFLECTOR  
Fig. 1b  
BC30  
STARTER GRIP  
AND ROPE  
REAR  
HANDLE  
TRIGGER  
LOCK  
“J” HANDLE  
COUPLER  
PRIMER  
BULB  
THROTTLE  
TRIGGER  
DRIVE SHAFT  
HOUSING  
KNOB  
BLADE  
SHOULDER  
HARNESS  
BRUSHCUTTER  
GUARD  
Fig. 1c  
8
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FEATURES  
KNOW YOUR STRING TRIMMER  
GRASS DEFLECTOR  
The trimmer includes a grass deflector that helps protect  
you from flying debris.  
See Figures 1a - 1c.  
The safe use of this product requires an understanding of  
the information on the tool and in this operator’s manual as  
well as a knowledge of the project you are attempting. Before  
use of this product, familiarize yourself with all operating  
features and safety rules.  
TOP-MOUNTED MOTOR  
The top-mounted motor improves balance and is located  
away from the dust and debris of the cutting area.  
ERGONOMIC DESIGN  
The design of the trimmer provides for easy handling. It is  
designed for comfort and ease of grasp when operating in  
different positions and at different angles.  
ASSEMBLY  
UNPACKING  
This product requires assembly.  
WARNING:  
Carefully remove the tool and any accessories from the  
box. Make sure that all items listed in the packing list are  
included.  
If any parts are damaged or missing do not operate this  
tool until the parts are replaced. Failure to heed this warn-  
ing could result in serious personal injury.  
Inspect the tool carefully to make sure no breakage or  
damage occurred during shipping.  
WARNING:  
Do not discard the packing material until you have care-  
fully inspected and satisfactorily operated the tool.  
Do not attempt to modify this tool or create accesso-  
ries 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.  
If any parts are damaged or missing, please call  
1-800-860-4050 for assistance.  
PACKING LIST  
Trimmer Assembly - CS30 and SS30  
Brushcutter Assembly - BC30  
Front handle - CS30 and SS30  
“J” Handle - BC30  
WARNING:  
To prevent accidental starting that could cause serious  
personal injury, always disconnect the engine spark plug  
wire from the spark plug when assembling parts.  
Curved Shaft Grass Deflector  
Straight Shaft Grass Deflector - SS30 and BC30  
Gear Head Locking Tool - BC30  
Shoulder Harness - BC30  
String Head Assembly - BC30  
Bottle of 2-Cycle Oil  
Hanger Cap  
Operator’s Manual  
9
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ASSEMBLY  
INSTALLING THE POWER HEAD TO THE  
ATTACHMENT  
See Figure 2.  
POWER HEAD  
SHAFT  
COUPLER  
GUIDE  
RECESS  
WARNING:  
Never install, remove, or adjust any attachment while  
power head is running. Failure to stop the engine can  
cause serious personal injury.  
BUTTON  
The attachment connects to the power head by means of  
a coupler device.  
Loosen the knob on the coupler of the power head shaft  
and remove the end cap from the attachment.  
POSITIONING  
HOLE  
Push in the button located on the attachment shaft. Align  
thebuttonwiththeguiderecessonthepowerheadcoupler  
and slide the two shafts together. Rotate the attachment  
shaft until the button locks into the positioning hole.  
KNOB  
Fig. 2  
TRIMMER ATTACHMENT  
NOTE: If the button does not release completely in the  
positioning hole, the shafts are not locked into place.  
Slightly rotate from side to side until the button is locked  
into place.  
Tighten the knob securely.  
HANGER  
CAP  
WARNING:  
Be certain the knob is fully tightened before operating  
equipment; check it periodically for tightness during use  
to avoid serious personal injury.  
HOLE  
REMOVING THE ATTACHMENT FROM THE  
POWER HEAD  
For removing or changing the attachment:  
SECONDARY  
HOLE  
Loosen the knob.  
Push in the button and twist the shafts to remove and  
BUTTON  
separate ends.  
ATTACHING THE STORAGE HANGER  
See Figure 3.  
There are two ways to hang your attachment for storage.  
Fig. 3  
To use the hanger cap, push in the button and place the  
hanger cap over end of the lower end attachment shaft.  
Slightly rotate the cap from side to side until the button  
locks into place.  
The secondary hole in the attachment shaft can be used  
for hanging purposes as well.  
10  
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ASSEMBLY  
ATTACHING THE FRONT HANDLE - CS30 AND  
SS30  
See Figure 4.  
FRONT HANDLE  
Remove 2 wing nuts, 2 bolts, and clamp from the front  
handle.  
Install the front handle onto the top side of the drive shaft  
housing and move it to a comfortable position.  
Place the bolt through the front handle.  
NOTE:Thehexboltheadfitsinsidethehexrecessmolded  
into one side of the handle.  
Reinstall the clamp, bolts, and wing nuts.  
BOLT  
Tighten wing nut securely.  
WING  
NUT  
ATTACHING THE “J” HANDLE - BC30  
See Figure 5.  
A “J” handle must be used for ensuring the best control and  
maximizing operator safety when using a brushcutter.  
Hold the top and bottom clamp snugly in position on  
the shaft housing so that handle will be located to the  
operator’s left.  
CLAMP  
Insert the end of the handle between the clamps.  
Fig. 4  
Align the bolt holes and push the long bolt (1/4-20 x  
1-1/2 in.) through the handle side.  
Place short bolt (1/4-20 x 1 in.) through opposite side of  
clamp. Install flat washers, lock washers, and hex nuts  
to hold the assembly in place.  
BOLT  
1/4-20 x 1 in.  
BOLT  
1/4-20 x 1-1/2 in.  
FRONT  
HANDLE  
After assembly is complete, adjust the position of the  
handle for best balance and comfort.  
Tighten first the long bolt and then the short bolt.  
STRAP  
HANGER  
CLAMP  
FLAT WASHER  
LOCK WASHER  
CLAMP  
HEX NUT  
Fig. 5  
11  
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ASSEMBLY  
ATTACHING THE GRASS DEFLECTOR  
WARNING:  
HEX  
SCREW  
GRASS  
DEFLECTOR  
The line cutting blade on the grass deflector is sharp.  
Avoid contact with the blade. Failure to avoid contact  
can result in serious personal injury.  
BRACKET  
TO ATTACH THE CURVED SHAFT GRASS  
DEFLECTOR - CS30  
See Figure 6.  
LOCK  
WASHER  
Remove hex screw, flat washer, lock washer, and wing  
nut from grass deflector.  
Press the grass deflector onto the bottom of the curved  
FLAT  
WASHER  
shaft as shown.  
WING NUT  
Fig. 6  
Insert the hex screw through the grass deflector and the  
bracket on the curved shaft.  
WING  
SCREW  
Place the flat washer and lock washer on the hex head  
cap screw.  
Place the wing nut on the hex head cap screw and tighten  
STRAIGHT  
SHAFT GRASS  
DEFLECTOR  
securely.  
TAB  
TO ATTACH THE STRAIGHT SHAFT GRASS  
DEFLECTOR - SS30  
See Figure 7.  
SLOT  
Remove the wing screw from the grass deflector.  
Insert the tab on the mounting bracket in the slot on the  
grass deflector.  
Align the screw hole in the mounting bracket with the  
screw hole in the grass deflector.  
Insert the wing screw through the mounting bracket and  
into the grass deflector.  
Fig. 7  
Tighten the screw securely.  
GEAR  
HEAD  
ATTACHING THE BRUSHCUTTER GUARD -  
BC30  
See Figure 8.  
BRUSHCUTTER GUARD  
The guard is shipped installed on these brushcutter  
models. Instructions have been included for reference when  
changing from string trimmer operation back to brushcutter  
operation.  
HEX HEAD  
SCREW  
Withthestringheadremoved,placethebrushcutterguard  
on the gear head as shown.  
Install the three hex head screws from bottom through  
the guard and into the gear head.  
Tighten the screws securely and torque to 40-50 in.lb.  
minimum.  
Fig. 8  
12  
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ASSEMBLY  
ATTACHING THE SHOULDER HARNESS -  
BC30  
See Figure 9.  
LATCH  
Connect the latch on the shoulder harness to the strap  
hanger.  
Adjust the strap to a comfortable position.  
STRAP  
HANGER  
CONVERTING FROM BRUSHCUTTER TO  
STRING TRIMMER - BC30  
To convert from the brushcutter to the string trimmer, remove  
the blade and brushcutter guard, attach the straight shaft  
grass deflector and install the string head.  
SHOULDER  
HARNESS  
Fig. 9  
REMOVING THE TRI-ARC® BLADE AND  
BRUSHCUTTER GUARD  
See Figures 10 - 11.  
GEAR HEAD  
LOCKING TOOL  
Align the slot in the flanged washer with the slot in the  
gear head.  
Place the gear head locking tool through the slot in the  
Fig. 10  
flanged washer and gear head.  
Remove the blade nut by turning it clockwise.  
GEAR HEAD  
SLOT  
BRUSHCUTTER  
GUARD  
Remove the cupped washer and the blade.  
Remove the flanged washer from the gear head shaft and  
retain it for the string head installation.  
Remove the three screws securing the brushcutter guard  
FLANGED  
WASHER  
to gear head.  
Remove the brushcutter guard.  
NOTE: Store the brushcutter parts together for later use.  
INSTALLING THE STRAIGHT SHAFT GRASS  
DEFLECTOR AND STRING HEAD  
See Figures 10 - 12.  
SLOT  
CUPPED  
WASHER  
Installthegrassdeflector.RefertoToAttachtheStraight  
Shaft Grass Deflector earlier in this manual.  
Place the flanged washer on the gear head shaft.  
Fig. 11  
BLADE NUT  
FLANGED WASHER  
NOTE: The hollow side of the flanged washer should face  
the gear head.  
GEAR HEAD  
SLOT  
Align the slot in the flanged washer with the slot in the  
gear head.  
STRING HEAD  
ASSEMBLY  
Place the gear head locking tool through the slot in the  
flanged washer and gear head.  
SLOT  
Install the string head assembly onto the gear head shaft  
by turning counterclockwise.  
Tighten the string head assembly securely.  
CONVERTING FROM STRING TRIMMER TO  
BRUSHCUTTER - BC30  
To convert from the string trimmer to the brushcutter, remove  
the string head assembly and straight shaft grass deflector,  
attach the brushcutter guard and install the blade.  
TIGHTEN  
Fig. 12  
LOOSEN  
13  
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ASSEMBLY  
REMOVING THE STRAIGHT SHAFT GRASS  
DEFLECTOR AND STRING HEAD  
See Figures 10 - 13.  
GEAR HEAD  
FLANGED WASHER  
Align the slot in the flanged washer with the slot in the  
gear head.  
Place the gear head locking tool through the slot in the  
flanged washer and gear head.  
SLOT  
STRING HEAD  
ASSEMBLY  
SLOT  
Remove the string head assembly by turning  
clockwise.  
Remove the flanged washer and retain it for the blade  
installation.  
Remove the wing screw securing the grass deflector.  
Remove the grass deflector.  
NOTE: Store the string head parts together for later  
use.  
TIGHTEN  
Fig. 13  
LOOSEN  
INSTALLING THE TRI-ARC® BLADE AND  
BRUSHCUTTER GUARD  
See Figures 10 - 14.  
GEAR HEAD  
SLOT  
Install the brushcutter guard. Refer to Attaching the  
Brushcutter Guard earlier in this manual.  
Place the flanged washer over the gear head shaft with  
the hollow side toward the brushcutter guard.  
Center the blade on the flanged washer, making sure the  
blade fits flat and the raised hub of the flanged washer  
goes through the hole in the blade.  
FLANGED  
WASHER  
Install the cupped washer with the raised center away  
from the blade.  
Place the blade nut onto the gear head shaft.  
Place the gear head locking tool through the slot in the  
flanged washer and gear head.  
SLOT  
Install the blade nut by turning it counterclockwise (left  
handed threads).  
Tighten the blade nut securely and torque to 120 in.lbs.  
minimum.  
CUPPED  
WASHER  
BRUSHCUTTER  
GUARD  
BLADE NUT  
Fig. 14  
OPERATION  
WARNING:  
WARNING:  
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.  
Do not use any attachments or accessories not recom-  
mended by the manufacturer of this tool. The use of  
attachments or accessories not recommended can result  
in serious personal injury.  
WARNING:  
Always wear safety goggles or safety glasses with side  
shields when operating tools. Failure to do so could  
result in objects being thrown into your eyes, resulting in  
possible serious injury.  
14  
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OPERATION  
FUELING AND REFUELING THE TRIMMER  
WARNING:  
FUEL MIXTURE  
To avoid burns from hot surfaces, never operate unit with  
the bottom of the engine above waist level.  
This product is powered by a 2-cycle engine and requires  
pre-mixing gasoline and 2-cycle oil. Pre-mix unleaded gaso-  
line and 2-cycle engine oil in a clean 1 gallon container ap-  
proved for gasoline.  
Recommended fuel: This engine is certified to operate on  
unleaded gasoline intended for automotive use.  
Mix a high quality 2-cycle engine oil at 2.6 oz. per gallon  
(US).  
Do not use automotive oil or 2-cycle outboard oil.  
Hold the trimmer with your right hand on the rear handle and  
your left hand on the front handle. Keep a firm grip with both  
hands while in operation. Trimmer should be held at a com-  
fortable position with the rear handle about hip height.  
Always operate trimmer at full throttle. Cut tall grass from  
the top down. This will prevent grass from wrapping around  
the shaft housing and string head which could cause  
damage from overheating. If grass becomes wrapped around  
the string head, STOP THE ENGINE, disconnect the spark  
plug wire, and remove the grass. Prolonged cutting at partial  
throttle will result in oil dripping from the muffler.  
DO NOT mix quantities larger than usable in a 30 day  
period.  
HIGH QUALITY 2-CYCLE ENGINE OIL  
GASOLINE  
1 gallon (US)  
1 liter  
OIL  
PROPER  
OPERATING  
POSITION  
2.6 oz.  
20 cc (20 ml)  
FILLING TANK  
Clean surface around fuel cap to prevent  
contamination.  
Loosen fuel cap slowly. Rest the cap on a clean  
surface.  
Carefully pour fuel 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 add fuel to  
a machine with a running or hot engine. Move at least  
30 ft. from refueling site before starting engine. Do not  
smoke!  
OPERATING THE TRIMMER  
See Figure 15.  
WARNING:  
Always position the unit on the operator’s right side. The  
use of the unit on the operator’s left side will expose  
the user to hot surfaces and can result in possible burn  
injury.  
Fig. 15  
15  
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OPERATION  
CURVED SHAFT TRIMMER  
WARNING:  
Always hold the string trimmer away from the body keep-  
ing clearance between the body and the product. Any  
contact with the housing or string trimmer cutting head can  
result in burns and/or other serious personal injury.  
DANGEROUS  
CUTTING AREA  
DIRECTION OF  
ROTATION  
TO ADVANCE THE CUTTING LINE  
String advance is controlled by tapping the string head on  
grass while running engine at full throttle.  
Run engine at full throttle.  
Tap the spool retainer on ground to advance string. The  
string advances each time the spool retainer is tapped.  
Do not hold the spool retainer on the ground.  
BEST CUTTING  
AREA  
Fig. 16  
NOTE: The line trimming cut-off blade on the grass deflector  
will cut the line to the correct length.  
STRAIGHT SHAFT TRIMMER  
NOTE: If the string is worn too short you may not be able to  
advance the string by tapping it on the ground. If so, stop  
the engine, and manually advance the string.  
DANGEROUS  
CUTTING AREA  
TO ADVANCE THE CUTTING LINE MANUALLY  
Stop the engine.  
Push the spool retainer down while pulling on string(s) to  
manually advance the string.  
CUTTING TIPS  
See Figures 16 -17.  
Avoid hot surfaces by always keeping the tool away from  
your body. (Proper operating position shown in figure 15.)  
BEST CUTTING  
AREA  
DIRECTION OF  
ROTATION  
Keep the trimmer tilted toward the area being cut; this is  
the best cutting area.  
Fig. 17  
Thecurvedshafttrimmercutswhenpassingtheunitfrom  
right to left. The straight shaft trimmer cuts when passing  
the unit from left to right. This will avoid throwing debris at  
the operator. Avoid cutting in the dangerous area shown  
in illustration.  
STRAIGHT SHAFT  
TRIMMER LINE TRIMMING  
CUT-OFF BLADE  
Use the tip of string to do the cutting; do not force string  
head into uncut grass.  
Wire and picket fences cause extra string wear, even  
breakage. Stone and brick walls, curbs, and wood may  
wear string rapidly.  
CURVED SHAFT TRIMMER  
LINE TRIMMING CUT-OFF  
BLADE  
Avoidtreesandshrubs.Treebark,woodmoldings,siding,  
and fence posts can easily be damaged by the string.  
GRASS DEFLECTOR LINE TRIMMING CUT-OFF  
BLADE  
See Figure 18.  
Fig. 18  
The trimmer is equipped with a line trimming cut-off blade  
on the grass deflector. For best cutting, advance string until  
it is trimmed to length by the cut-off blade. Advance the  
string whenever you hear the engine running faster than  
normal, or when trimming efficiency diminishes. This will  
maintain best performance and keep the string long enough  
to advance properly.  
16  
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OPERATION  
Inspect and clear the area of any hidden objects such as  
OPERATING THE BRUSHCUTTER  
See Figures 19 - 20.  
glass, rocks, concrete, fencing, wire, wood, metal, etc.  
Never use blades near sidewalks, fencing, posts, build-  
Hold the brushcutter with your right hand on the rear handle  
and the your hand on the “J” Barrier Handle. Keep a firm  
grip with both hands while in operation. Brushcutter should  
be held at a comfortable position with the rear handle about  
hip height. Maintain your grip and balance on both feet.  
Position yourself so that you will not be drawn off balance  
by the kickback reaction of the cutting blade.  
ings or other immovable objects.  
Never use a blade after hitting a hard object without first  
inspecting it for damage. Do not use if any damage is  
detected.  
The unit is used as a scythe, cutting from the right to the  
left in a broad sweeping action from side to side.  
Adjust the shoulder harness to position the brushcutter  
at a comfortable operating position and to assure that the  
shoulder harness will reduce the risk of operator contact  
with the blade.  
Use only the Tri-Arc® blade. To install any other brand  
blade or cutting head to this brushcutter can result in  
serious personal injury.  
PROPER  
OPERATING  
POSITION  
BLADE THRUST  
Exercise extreme caution when using the blade with this  
unit. Blade thrust is the reaction that may occur when the  
spinning blade contacts anything it cannot cut. This contact  
may cause the blade to stop for an instant, and suddenly  
“thrust” the unit away from the object that was hit. This re-  
action can be violent enough to cause the operator to lose  
control of the unit. Blade thrust can occur without warning  
if the blade snags, stalls, or binds. This is more likely to oc-  
cur in areas where it is difficult to see the material being cut.  
For cutting ease and safety, approach the weeds being cut  
with the brushcutter from the right to the left. In the event  
an unexpected object or woody stock is encountered, this  
practice could minimize the blade thrust reaction.  
WARNING:  
To avoid burns from hot surfaces, never operate unit with  
the bottom of the engine above waist level.  
Fig. 19  
®
TRI-ARC BLADE  
DIRECTION OF ROTATION  
The Tri-Arc® blade is suited only for thicker weeds and pulpy  
stalks. When the blade becomes dull, it can be turned over  
to extend the life of the blade. Do not sharpen the Tri-Arc®  
blade.  
Use only Tri-Arc® blade, part number AP04105, available at  
your local retailer.  
CUTTING TECHNIQUE - BLADE  
WARNING:  
Extreme care must be taken when using blades to en-  
sure safe operation. Read the safety information for safe  
operation using the blade, refer to Specific Safety Rules  
for Brushcutter and Blade Use earlier in this manual.  
CUTTING AREA  
Fig. 20  
Always hold brushcutter on your right side with both hands  
when operating. Use a firm grip on both handles.  
Maintain your grip and balance on both feet. Position  
yourself so that you will not be drawn off balance by the  
kickback reaction of the cutting blade.  
17  
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OPERATION  
STARTING AND STOPPING  
See Figures 21 - 23.  
PRIMER BULB  
TO START A COLD ENGINE:  
DO NOT squeeze the throttle trigger until the engine starts  
and runs.  
Lay the trimmer on a flat, bare surface.  
PRIME - Press the primer bulb 7 times.  
SET the start lever to the START position.  
PULL the rope until the engine starts.  
IGNITION  
SWITCH  
Wait 6-10 seconds, then squeeze the trigger to run.  
NOTE: Squeezing the throttle trigger releases the start lever  
to the RUN position.  
TO START A WARM ENGINE:  
PULL the rope until the engine starts.  
TRIGGER LOCK  
TO STOP THE ENGINE:  
Press and hold the switch in the stop “  
the engine stops.  
” position until  
THROTTLE TRIGGER  
Fig. 22  
START POSITION  
IGNITION  
SWITCH  
TRIGGER  
LOCK  
START LEVER  
THROTTLE  
TRIGGER  
Fig. 21  
RUN POSITION  
START LEVER  
Fig. 23  
18  
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MAINTENANCE  
WARNING:  
SPOOL  
RETAINER  
When servicing, use only identical replacement parts.  
Use of any other parts may create a hazard or cause  
product damage.  
WARNING:  
Always wear safety goggles or safety glasses with side  
shields during tool operation. If operation is dusty, also  
wear a dust mask.  
Fig. 24  
INSERT INTO  
STRING HEAD  
PUSH DOWN  
AND TWIST TO  
ALIGN  
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.  
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.  
Fig. 25  
WARNING:  
Remove the empty spool from the string head. Keep the  
spring attached to the spool.  
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.  
Make sure the two strings are captured in the slots op-  
posite each other on the new spool. Make sure the end  
of each string is extended approximately 6 in. beyond  
each slot.  
Align the slot(s) on the spool to the eyelet(s) on the string  
head housing. Push down and turn the spool in the nec-  
essary direction to align the slot(s).  
You can often make adjustments and repairs described here.  
For other repairs, have the trimmer serviced by an authorized  
service dealer.  
Make sure the string head and the spool retainer are  
installed on the drive shaft. Turn the spool retainer coun-  
terclockwise to secure.  
SPOOL REPLACEMENT  
EZ WIND™ TAP ADVANCE SYSTEM  
NEW PREWOUND SPOOL  
See Figures 24 - 25.  
Slide strings into the housing eyelets and pull outward to  
rotate the spool into the cutting position.  
If replacing string only, refer to String Replacement later  
in this manual.  
Push the spool retainer down while pulling on string(s)  
to manually advance the string and to check for proper  
assembly of the string head.  
Use only .080 in. diameter trimmer line. Use original manu-  
facturer’s replacement string for best performance.  
Stop the engine and disconnect the spark plug wire. Hold  
the string head and turn the spool retainer clockwise to  
remove.  
19  
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MAINTENANCE  
STRING REPLACEMENT  
See Figures 26 - 28.  
SLOTS  
Stop the engine and disconnect the spark plug wire. Hold  
the string head and turn the spool retainer clockwise to  
remove.  
SPOOL  
Remove the spool from the string head.  
NOTE: Keep the spring attached to the spool. Remove  
any old string remaining on the spool.  
Cut one piece of trimmer line 18 ft. long.  
Findthemiddleofthestringsection.Loopthestringaround  
the hook in the center of the spool. Carefully wind the  
string in the direction indicated on the top of the spool.  
Nearing the end of the string, slide one end of the string  
into each slot of the spool. Do not overfill.  
Replace the spool and the spool retainer. Refer to Spool  
Fig. 26  
Replacement earlier in this manual.  
CLEANING THE EXHAUST PORT AND  
MUFFLER  
HOOK  
NOTE: 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.  
SPARK ARRESTOR  
SLOT  
Fig. 27  
The spark arrestor must be cleaned or replaced every 25  
hours or yearly to ensure proper performance of your prod-  
uct. Spark arrestors may be in different locations depending  
on the model purchased. Please contact your nearest service  
dealer for the location of the spark arrestor for your model.  
SLOTS  
PULL  
STRINGS TO  
SECURE  
Fig. 28  
20  
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MAINTENANCE  
REPLACING AND CLEANING AIR FILTER  
See Figures 29 - 30.  
AIR FILTER COVER  
For proper performance and long life, keep air filter clean.  
Remove the air filter cover by pushing down on the latch  
with your thumb while gently pulling on the cover.  
Remove the air filter and clean it in warm soapy water.  
LATCH  
Rinse and let dry completely.  
Reinstall the air filter.  
Replace the air filter cover by inserting the tabs on the  
bottom of the cover into the slots on the air filter base;  
push the cover up until it latches securely in place.  
PULL COVER  
TO OPEN  
NOTE: For best performance, replace annually.  
FUEL CAP  
Fig. 29  
AIR FILTER  
BASE  
WARNING:  
A leaking fuel cap is a fire hazard and must be replaced  
immediately.  
AIR FILTER  
The fuel cap contains a non-serviceable filter and a check  
valve. A clogged fuel filter will cause poor engine perfor-  
mance. If performance improves when the fuel cap is loos-  
ened, check valve may be faulty or filter clogged. Replace  
fuel cap if required.  
SPARK PLUG REPLACEMENT  
This engine uses a Champion RCJ-6Y or NGK BPMR7A  
spark plug with .025 in. electrode gap. Use an exact re-  
placement and replace annually.  
AIR FILTER  
COVER  
STORING THE PRODUCT  
Clean all foreign material from the product. Store idle unit  
indoors in a dry, well-ventilated area that is inaccessible  
to children. Keep away from corrosive agents such as  
garden chemicals and de-icing salts.  
Abide by all ISO and local regulations for the safe storage  
and handling of gasoline.  
When storing 1 month or longer:  
Drain all fuel from tank into a container approved for  
gasoline. Run engine until it stops.  
Fig. 30  
21  
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TROUBLESHOOTING  
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER.  
PROBLEM  
POSSIBLE CAUSE  
SOLUTION  
1. Check spark. Remove spark plug. Reattach  
the spark plug cap and lay spark plug on metal  
cylinder. Pull the rope and watch for spark at  
spark plug tip. If there is no spark, repeat test  
with a new spark plug.  
Engine will not start  
1. No spark.  
2. Push primer bulb until bulb is full of fuel. If bulb  
does not fill, primary fuel delivery system is  
blocked. Contact a service dealer. If primer  
bulb fills, engine may be flooded, proceed to  
next item.  
2. No fuel.  
3. Set the start lever to the START position. Squeeze  
the trigger and pull the rope repeatedly until the  
engine starts and runs.  
3. Engine is flooded.  
NOTE: Depending on the severity of the flooding,  
this may require numerous pulls of the rope. See  
Figure 23.  
1. Incorrect oil/fuel mixture.  
2. Air filter is dirty.  
Engine does not reach full  
speed and emits excessive  
smoke  
1. Use fresh fuel and the correct 2-cycle oil mix.  
(50:1).  
2. Clean air filter. Refer to Replacing and Cleaning  
Air Filter earlier in this manual.  
3. Spark arrestor screen is dirty.  
4. Spark plug fouled.  
3. Contact a servicing dealer.  
4. Clean or replace spark plug. Reset spark plug  
gap. Refer to Spark Plug Replacement earlier  
in this manual.  
1. Idle speed screw on carburetor  
needs adjustment.  
Engine starts, runs, and ac-  
celerates but will not idle  
1. Turn idle speed screw clockwise to increase idle  
speed. See Figure 31.  
String will not advance  
1. Lubricate string with silicone spray.  
2. Install more string. Refer to String Replacement  
earlier in this manual.  
1. String is welded to itself.  
2. Not enough string on spool.  
3. Pull strings while alternately pressing down on  
and releasing spool retainer.  
4. Remove string from spool and rewind. Refer to  
String Replacement earlier in this manual.  
5. Advance string at full throttle.  
3. String is worn too short.  
4. String is tangled on spool.  
5. Engine speed is too slow.  
IDLE SPEED  
SCREW  
Fig. 31  
22  
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TROUBLESHOOTING  
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER.  
PROBLEM  
POSSIBLE CAUSE  
SOLUTION  
1. Clean threads and lubricate with grease - if no  
improvement, replace the spool retainer.  
Spool retainer hard to turn  
1. Screw threads are dirty or  
damaged.  
1. Cut tall grass from the top down to prevent  
wrapping.  
2. Operate trimmer at full throttle.  
Grass wraps around  
driveshaft housing and  
string head  
1. Cutting tall grass at ground  
level.  
2. Operating trimmer at part  
throttle.  
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.  
23  
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WARRANTY  
LIMITED WARRANTY STATEMENT  
A. Tune-ups – Spark Plugs, Carburetor, Carburetor  
Adjustments, Ignition, Filters  
Techtronic Industries North America, Inc., warrants to the  
original retail purchaser that this RYOBI® brand outdoor  
product is free from defect in material and workmanship  
and agrees to repair or replace, at Techtronic Industries  
North America, Inc.’s, discretion, any defective product  
free of charge within these time periods from the date of  
purchase.  
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  
Techtronic Industries North America, Inc., reserves the  
right to change or improve the design of any RYOBI® brand  
outdoorproductwithoutassuminganyobligationtomodify  
any product previously manufactured.  
Two years if the product is used for personal, family or  
household use;  
90 days, if used for any other purpose, such as  
commercial or rental.  
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. TECHTRONIC INDUSTRIES  
NORTH AMERICA, INC.’S, OBLIGATION UNDER THIS  
WARRANTYISSTRICTLYANDEXCLUSIVELYLIMITEDTO  
THE REPAIR OR REPLACEMENT OF DEFECTIVE PARTS  
AND TECHTRONIC INDUSTRIES NORTH AMERICA,  
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. TECHTRONIC  
INDUSTRIES NORTH AMERICA, INC., ASSUMES NO  
RESPONSIBILITY FOR INCIDENTAL, CONSEQUENTIAL,  
OR OTHER DAMAGES INCLUDING, BUT NOT LIMITED  
TO, EXPENSE OF RETURNING THE PRODUCT TO AN  
AUTHORIZED RYOBI SERVICE CENTER AND EXPENSE  
OFDELIVERINGITBACKTOTHEOWNER, MECHANIC’S  
TRAVEL TIME, TELEPHONE OR TELEGRAM CHARGES,  
RENTAL OF A LIKE PRODUCT DURING THE TIME  
WARRANTY SERVICE IS BEING PERFORMED, TRAVEL,  
LOSS OR DAMAGE TO PERSONAL PROPERTY, 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.  
This warranty extends to the original retail purchaser  
only and commences on the date of the original retail  
purchase.  
Any part of this product found in the reasonable judgment  
ofTechtronicIndustriesNorthAmerica, Inc. tobedefective  
in material or workmanship will be repaired or replaced  
withoutchargeforpartsandlaborbyanauthorizedservice  
center for RYOBI® brand outdoor products (Authorized  
Ryobi Service Center).  
Theproduct,includinganydefectivepart,mustbereturned  
to an authorized Ryobi service center within the warranty  
period.Theexpenseofdeliveringtheproducttotheservice  
center for warranty work and the expense of returning it  
back to the owner after repair or replacement will be paid  
by the owner. Techtronic Industries North America, Inc.’s,  
responsibility in respect to claims is limited to making the  
required repairs or replacements and no claim of breach of  
warrantyshallbecauseforcancellationorrescissionofthe  
contractofsaleofanyRYOBI® brandoutdoorproduct.Proof  
of purchase will be required by the dealer to substantiate  
any warranty claim. All warranty work must be performed  
by an authorized service dealer.  
This warranty is limited to ninety (90) days from the date  
of original retail purchase for any RYOBI® brand outdoor  
product that is used for rental or commercial purposes, or  
any other income-producing purpose.  
This warranty does not cover any 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 product that  
is the result of improper maintenance or to any product  
that has been altered or modified. The warranty does not  
extendtorepairsmadenecessarybynormalwearorbythe  
use of parts or accessories which are either incompatible  
withtheRYOBI® brandoutdoorproductoradverselyaffect  
its operation, performance, or durability. In addition, this  
warranty does not cover:  
This warranty gives you specific legal rights, and you may  
also have other rights which vary from state to state.  
ThiswarrantyappliestoallRYOBI® brandoutdoorproducts  
manufacturedbyorforTechtronicIndustriesNorthAmerica,  
Inc., and sold in the United States and Canada.  
To locate your nearest Authorized Ryobi Service Center,  
dial 1-800-860-4050.  
24  
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WARRANTY  
THE FOLLOWING CALIFORNIA AIR RESOURCES BOARD (CARB) STATEMENT ONLY APPLIES TO MODEL NUMBERS  
REQUIRED TO MEET THE CARB REQUIREMENTS.  
TECHTRONIC INDUSTRIES NORTH AMERICA, INC., LIMITED WARRANTY STATEMENT FOR FEDERAL  
AND CALIFORNIA EMISSION CONTROL SYSTEMS NON-ROAD AND SMALL OFF-ROAD ENGINES  
YOUR WARRANTY RIGHTS AND OBLIGATIONS  
The U.S. Environmental Protection Agency (EPA), the California Air Resources Board  
(CARB), and Techtronic Industries North America, Inc., are pleased to explain the  
Emissions Control System Warranty on your 2007 model year non-road or small off-  
road engine. In California, new equipment that uses 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. Techtronic  
Industries North America, 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, catalytic converters, fuel tanks, valves, filters, clamps,  
connectors, and other associated components. Also included may be hoses, belts  
and connectors, and other emission-related assemblies.  
Where a warrantable condition exists, Techtronic Industries North America, Inc., will  
repair your non-road or small off-road engine at no cost to you, including diagno-  
sis, parts, and labor performed at an authorized service center for RYOBI® brand  
outdoor products.  
Techtronic Industries North America, Inc., shall remedy warranty defects at any  
authorized RYOBI® Authorized Service Center, including any distribution center  
that may be franchised to service the subject engines. Any diagnostic work done  
at a RYOBI® Authorized Service Center shall be free of charge to the owner if such  
work determines 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. Techtronic Industries North America, Inc., is liable for  
damages to other engine components caused by the failure of a warranted part  
still under warranty.  
Add-on or modified parts that are not exempted by the California Air Resource Board  
may not be used. The use of any non-exempted add-on or modified parts will be  
grounds for disallowing a warranty claim. Techtronic Industries North America, Inc.,  
will not be liable to warrant failures of warranted parts caused by the use of a non-  
exempted add-on or modified part.  
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 the EPA considers emission-related warranted parts to include all the parts listed  
below.) Techtronic Industries North America, Inc., will provide any documents that  
describe its warranty procedures or policies within five days upon request by the  
California Air Resources Board.  
EMISSIONS PARTS LIST  
Emissions parts vary from product to product. Your emissions control system warranty  
applies to any of the following components that may be included on your product:  
MANUFACTURER’S WARRANTY COVERAGE:  
This product’s emissions control system is warranted for two years. If any emis-  
sion-related part on your engine is defective, the part will be repaired or replaced by  
Techtronic Industries North America, Inc., free of charge.  
(1) Fuel Metering System  
(i) Carburetor and internal parts (and/or pressure regulator or fuel injection  
system).  
OWNER’S WARRANTY RESPONSIBILITIES  
(a) As the non-road or small off-road engine owner, you are responsible for  
the performance of the required maintenance listed in your operator’s manual.  
Techtronic Industries North America, Inc., recommends that you retain all re-  
ceipts covering maintenance on your non-road or small off-road engine, but  
Techtronic Industries North America, 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 Techtronic Industries North America, Inc.  
(ii) Air/fuel ratio feedback and control system.  
(iii) Cold start enrichment system.  
(iv) Fuel Tank.  
(2) Air Induction System  
(i) Controlled hot air intake system.  
(ii) Intake manifold.  
(iii) Air filter.  
(3) Ignition System  
(b) As the non-road or small off-road engine owner, you should be aware, however,  
that Techtronic Industries North America, 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 an  
authorized 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 Techtronic Industries North America, Inc., Customer Representa-  
tive at 1-800-860-4050.  
(i) Spark Plugs.  
(ii) Magneto or electronic ignition system.  
(iii) Spark advance/retard system.  
(4) Exhaust Gas Recirculation (EGR) System  
(i) EGR valve body and carburetor spacer, if applicable.  
(ii) EGR rate feedback and control system.  
(5) Air Injection System  
(i) Air pump or pulse valve.  
(ii) Valves affecting distribution of flow.  
(iii) Distribution manifold.  
DEFECT WARRANTY COVERAGE REQUIREMENTS:  
(a) The warranty period begins on the date the engine or equipment is delivered to  
an ultimate purchaser.  
(6) Catalyst or Thermal Reactor System  
(i) Catalytic converter.  
(b) General Emissions Warranty Coverage. Techtronic Industries North America,  
Inc., warrants to the ultimate purchaser and each subsequent purchaser that your  
non-road or small off-road engine is designed, built, and equipped at the time of sale  
to conform with all applicable regulations adopted by the California Air Resources  
Board or the United States Environmental Protection Agency; and that it is free from  
defects in materials and workmanship which cause the engine to fail to conform with  
applicable regulations for a period of two years from the date the non-road or small  
off-road engine is purchased by the initial purchaser.  
(ii) Thermal reactor.  
(iii) Exhaust manifold.  
(7) Particulate Controls  
(i) Traps, filters, precipitators, and any other device used to capture particulate  
emissions.  
(8) Miscellaneous Items Used in Above Systems  
(i) Electronic controls.  
(c) The warranty on emissions-related parts will be interpreted as follows: Any  
warranted part that is not scheduled for replacement as required in the Emissions  
Maintenance Schedule and Warranty Parts List set forth below is warranted for two  
years. If any such part (including any part that is scheduled only for regular inspection)  
fails during the period of warranty coverage, it will be repaired or replaced at any  
RYOBI® Authorized Service Center at no charge. Any such part repaired or replaced  
under warranty will be warranted for the remaining warranty period. A statement to  
the effect of “repair or replace as necessary” would not reduce the period of war-  
ranty coverage. Any warranted part that is scheduled for replacement as required  
maintenance in the Emissions Maintenance Schedule and Warranty Parts List is  
warranted for the period of time prior to the first scheduled replacement point for  
that part. Any such part repaired or replaced under warranty is warranted for the  
remainder of the period prior to the first scheduled replacement point, and will be  
repaired or replaced at any RYOBI® Authorized Service Center for no charge until  
that replacement point is reached.  
(ii) Vacuum, temperature, and time sensitive valves and switches.  
(iii) Hoses, belts, connectors, and assemblies.  
Techtronic Industries North America, Inc., will furnish with each new engine written  
instructions for its maintenance and use by the owner.  
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.  
25  
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OPERATOR’S MANUAL  
30cc String Trimmers and Brushcutters  
CS30 — RY30522/RY30923  
SS30 — RY30542/RY30943  
BC30 — RY30562/RY30963  
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  
PARTS AND SERVICE  
Prior to requesting service or purchasing replacement parts, please obtain your model  
and serial number from the product data plate.  
• MODEL NUMBER  
• SERIAL NUMBER  
HOW TO OBTAIN REPLACEMENT PARTS:  
Replacement parts can be purchased online at www.ryobitools.com or by calling  
1-800-860-4050. Replacement parts can also be obtained at one of our Authorized  
Service Centers.  
HOW TO LOCATE AN AUTHORIZED SERVICE CENTER:  
Authorized Service Centers can be located online at www.ryobitools.com or by calling  
1-800-860-4050.  
HOW TO OBTAIN CUSTOMER OR TECHNICAL SUPPORT:  
To obtain Customer or Technical Support please contact us at 1-800-860-4050.  
Ryobi® is a registered trademark of Ryobi Limited used under license.  
TECHTRONIC INDUSTRIES NORTH AMERICA, INC.  
1428 Pearman Dairy Road, Anderson, SC 29625  
Phone 1-800-860-4050  
983000-079  
12-01-06 (REV:00)  
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