Ryobi Outdoor PBC3046B, RY70107A User Manual
OPERATOR’S MANUAL
Trimmer / Brushcutter
PBC3046B
RY70107A
Y our new trimmer has been engineered and manuf actured to Ryobi’s high standard f or dependability , ease of operation and operator
safety. Properly cared f or, it will giv e you y ears of rugged, trouble-free performance.
WARNING: To reduce the risk of injury , the user must read and understand the oper ator’ s man ual.
Thank you for b uying a Ryobi trimmer .
SA VE THIS MANU AL FOR FUTURE REFERENCE
TABLE OF CONTENTS
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■ Safety.....................................................................................................................................................................2 - 3
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■ Symbols ........................................................................................................................ ......................................... 4 - 5
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■ Technical Data.............................................................................................................................................................5
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■ Unpacking ................................................................................................................................................................... 6
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■ Features ...................................................................................................................................................................... 6
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■ Assembly ............................................................................................................................................................. 7 - 10
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■ Operation............................................................................................................................................................ 11 - 14
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■ Maintenance ....................................................................................................................................................... 15 - 18
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■ Troubleshooting................................................................................................................................................... 19 - 20
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■ Warranty .................................................................................................................................................................... 21
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■ Safety Directive......................................................................................................................................................... 21
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SAFETY
WARNING:
Do not attempt to operate this trimmer until you have read thoroughly and understand completely all instructions,
safety rules etc contained in this manual. Failure to comply may result in accidents involving fire, electric shock or
serious personal injury. Save operator’s manual and review frequently for continuing safe operation, and instructing
others who may use this tool.
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■ Secure long hair so it is above shoulder level to prevent
READ ALL INSTRUCTIONS
GENERAL SAFETY RULES
■ For safe operation, read and understand all instructions
before using the trimmer/brushcutter. Follow all safety
instructions. Failure to follow all safety instructions listed
below may result in serious personal injury.
■ Do not allow children or untrained individuals to use
this unit.
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■ Never start or run the engine in a closed or poorly
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ventilated area; breathing exhaust fumes can kill.
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■ Clear the work area before each use. Remove all objects
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such as stones, broken glass, nails, wire or string which
can be thrown or become entangled in the string head
or blade.
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■ Wear full eye and hearing protection while operating
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this unit.
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■ Wear heavy long trousers, boots and gloves. Do not
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wear loose fitting clothing, shorts, jewellery of any kind,
or go barefoot.
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entanglement in any moving parts.
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■ Keep all bystanders, children and pets at least 15 m
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(50 ft) away.
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■ Do not operate this unit when you are tired, ill or under
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the influence of alcohol, drugs or medication.
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■ Do not operate in poor lighting.
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■ Keep firm footing and balance. Do not overreach.
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Overreaching may result in loss of balance or exposure
to hot surfaces.
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■ Keep all parts of your body away from any moving part.
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■ Do not touch area round the silencer or cylinder of the
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trimmer/brushcutter; these parts get hot from
operation.
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■ Always stop the engine and remove the sparking plug
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wire before making any adjustments or repairs except
for carburettor adjustments.
2
SAFETY
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■ Inspect the unit before each use for loose fasteners, fuel
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leaks etc. Replace any damaged parts before use.
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■ The string head or blade will rotate during carburettor
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adjustments.
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■ It has been reported that vibrations from hand-held tools
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may contribute to a condition called Raynaud’s
Syndrome in certain individuals. Symptoms may include
tingling, numbness and blanching of the fingers, usually
apparent 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. It is not known at present what, if
any, vibrations or extent of exposure may contribute to
the condition. There are measures which can be taken
by the operator to possibly reduce the effects of vibration:
a) Keep your body warm in cold weather. When operating
the unit wear gloves to keep the hands and wrists
warm. It is reported that cold weather is a major
factor contributing to Raynaud’s Syndrome.
b) After each period of operation, exercise to increase
blood circulation.
c) Take frequent work breaks. Limit the amount of
exposure per day.
d) Keep the tool well maintained, fasteners tightened
and worn parts replaced.
If you experience any of the symptoms of this condition,
immediately discontinue use and see your doctor about
these symptoms.
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■ Mix and store fuel in a container approved for petrol.
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■ Mix fuel outdoors where there are no sparks or flames.
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Wipe up any fuel spillage. Move 9 m (30 ft) away from
refuelling site before starting engine.
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■ Stop the engine and allow to cool before refuelling or
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storing the unit.
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■ Allow the engine to cool; empty the fuel tank and secure
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the unit from moving before transporting in a vehicle.
SPECIFIC SAFETY RULES FOR TRIMMER USE
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■ Replace string head if cracked, chipped or damaged in
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any way. Be sure the string head or blade is properly
installed and securely fastened. Failure to do so may
cause serious injury.
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■ Make sure all guards, straps, deflectors and handles are
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properly and securely attached.
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■ Use only the manufacturer’s replacement string in the
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cutting head. Do not use any other cutting attachment.
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■ Never operate unit without the grass deflector in place
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and in good condition.
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■ Maintain a firm grip on both handles while trimming. K eep
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string head below waist level. Never cut with the string
head located over 76 cm (30 in) or more above
the ground.
SPECIFIC SAFETY RULES FOR BRUSHCUTTER AND
BLADE USE
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■ After engine stops, keep rotating blade in heavy grass
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or pulpy weeds until it stops.
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■ Do not operate the brushcutter unless the blade guard is
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firmly secured in place and in good condition.
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■ Use heavy gloves while installing or removing blades.
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■ Always stop the engine and remove the sparking plug
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wire before attempting to remove any obstruction caught
or jammed in the blade or before removing and installing
the blade.
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■ Do not attempt to touch or stop the blade when it
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is rotating.
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■ A coasting blade can cause injury while it continues to
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spin after the engine is stopped or throttle trigger
released. Maintain proper control until the blade has
completely stopped rotating.
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■ Replace any damaged blade. Always make sure blade is
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installed correctly and securely fastened before each
use. Failure to do so may cause serious injury.
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■ Use only the man ufacturer’ s replacement TRI-ARC blade
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intended for use on this brushcutter. Do not use any
other blade.
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■ The TRI-ARC b lade is suited for cutting pulp y weeds and
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vines only . Do not use for any other purpose. Ne v er use
the TRI-ARC b lade to cut woody brush.
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■ Exercise extreme caution when using the blade with this
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unit. Blade thrust is the reaction which 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
operator to lose control of the unit. Blade thrust may
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. F or cutting ease and saf ety,
approach the weeds being cut from the right to the left.
In the event that an unexpected object or woody stock is
encountered, this could minimise the blade thrust reaction.
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■ Ne v er cut any material ov er 13 mm (1/2 in) diameter .
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■ Always wear the shoulder strap when using the
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brushcutter and adjust to a comfortable operating
position. Maintain a firm grip on both handles while
cutting with a blade. K eep the blade a wa y from body and
below waist. Never use the brushcutter with the blade
located 76 cm (30 in) or more above the ground level.
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■ Cover the blade with the blade protector before storing
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the unit or during transport. Always remove the blade
protector before using the unit. If not removed, the blade
protector could become a thrown object as the blade
begins to turn.
3
SYMBOLS
Important: Some of the following symbols may be used on your tool. Please study them and learn their meaning. Proper
interpretation of these symbols will allow you to operate the tool better and more safely.
SYMBOL NAME EXPLANATION
Safety Alert Symbol Indicates danger, warning or caution. It means
attention!!! Your safety is involved.
Read Your Operator’s Manual Your manual contains special messages to bring
attention to potential safety concerns as well as
operating and servicing information. Please read all
the information carefully to ensure satisfaction and
safe use.
Wear eye and hearing protection Wear eye and hearing protection when operating this
equipment.
Keep bystanders away Keep all bystanders at least 15 m (50 ft) away.
Ricochet Danger of Ricochet.
10,000/min
Tri-Arc blade Tri-Arc blade is appropriate for this unit and is suited
for cutting pulpy weeds and vines.
Do not use toothed blade This unit is not intended for use with a toothed saw
type blade.
RPM Decal Rotational direction and maximum speed of the shaft
-1
for the cutting attachment.
Boots Wear non-slip safety footwear when using this
equipment.
Gloves Wear non-slip, heavy-duty gloves.
No Smoking Do not smoke when mixing fuel or filling fuel tank.
Petrol Use unleaded petrol intended for motor vehicle use
with an octane rating of 87 ([R + M] / 2) or higher.
Oil Use 2-cycle oil for air-cooled engines.
Mix Petrol and Oil Mix the fuel mix thoroughly and also each time before
refuelling.
4
SYMBOLS
SYMBOL NAME EXPLANATION
Switch On/Off Switch
I = ON to Run
O = OFF to Stop
The purpose of safety symbols is to attract your attention to possible dangers. The safety symbols and the explanations
with them deserve your careful attention and understanding. The safety warnings do not by themselves eliminate any
danger. The instructions or warnings they give are not substitutes for proper accident prevention measures.
SYMBOL MEANING
DANGER: Indicates an imminently hazardous situation which, if not avoided, will result in death or
serious injury.
WARNING: Indicates a potentially hazardous situation which, if not avoided, could result in
serious injury.
CAUTION: Indicates a potentially hazardous situation which, if not avoided, may result in minor or
moderate injury. It may also be used to alert against unsafe practices that may cause property damage.
NOTE: Advises you of information or instructions vital to the operation or maintenance of the equipment.
SAVE THESE INSTRUCTIONS
TECHNICAL D ATA
Weight Without fuel, cutting attachment..........................................................................................................6.03 Kg
With blade ...........................................................................................................................................6.35 Kg
With string head ..................................................................................................................................6.22 Kg
Fuel tank volume ................................................................................................................................................... 42.5 cm
Cutting swath.......................................................................................................................................................... 457 mm
Engine displacement ................................................................................................................................................ 30 cm
Maximum engine performance (in accordance with ISO 8893) ...............................................................................0.78 kW
Maximum rotational frequency of the spindle ...................................................................................................10,000/min
Engine Speed (rotational frequency) at recommended max. spindle rotational frequency.................................12,500/min
Engine speed (rotational frequency) at idle .............................................................................................2,000 - 2,500/min
Fuel consumption (in accordance with ISO 8893) at max. engine performance................................................... 0.52 kg/h
Specific fuel consumption (in accordance with ISO 8893) at max. engine performance ...................................... 0.47 kg/h
Vibration level idling Left Handle ...........................................................................................................................6.0
Right Handle ......................................................................................................................... 7.8
Vibration level racing Left Handle ...........................................................................................................................5.1
Right Handle ......................................................................................................................... 6.0
Sound pressure level (in accordance with EN ISO 11806:1997, ISO 7917:1987) ............................................................ 99
Sound power level (in accordance with ISO 10884) ....................................................................................................... 112
5
3
3
-1
-1
-1
UNPACKING
INSTRUCTIONS
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■ Carefully remove the product from the carton.
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■ Inspect the product to make sure no breakage or
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damage occurred during carriage.
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■ Do not discard the packing material until you have
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inspected and operated the product.
FEATURES
CUTTING
LINE
GRASS
DEFLECTOR
TRIGGER HANDLE
PACKING LIST FOR OWNER’S KIT
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■ Grass deflector
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■ Blade guard
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■ Tri-Arc blade
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■ Shoulder strap
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■ Silencer guard, torque wrench and screws
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■ Holding pin
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■ Spanners - 13 mm (1/2 in) and 16 mm (5/8 in)
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■ Fixings
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■ Operator’s manual
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IGNITION SWITCH
ENGINE HOUSING
GEAR HEAD
LINE CUT-OFF
BLADE
BLADE GUARD
SHAFT
THROTTLE
TRIGGER
THROTTLE
INTERLOCK
SHOULDER
STRAP
STARTER GRIP
STRAP HANGER
LEFT HANDLE
TRI-ARC BLADE
Fig. 1
6
ASSEMBLY
HANDLE
See Figure 2.
1. Place the handlebar in the bottom clamp located on the
shaft housing.
NOTE: The throttle trigger must be mounted to the
operator’s right side.
2. Insert the square tab of top clamp into the mounting hole
of the bottom clamp.
3. Adjust the handlebar for best operator control in a
comfortable upright position.
4. Install the knob and tighten securely.
BOTTOM
CLAMP
THROTTLE
TRIGGER
TOP CLAMP
HANDLE BAR
THROTTLE
TRIGGER
TOP CLAMP
THROTTLE
TRIGGER
TOP CLAMP
BOTTOM
CLAMP
KNOB
BOTTOM
CLAMP
Fig. 2
7
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