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OPERATOR'S MANUAL
String Trimmer / Brushcutter
PBC3046B
RY70107
Your new trimmer has been engineered and manufactured to Ryobi’s 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.
Thank you for buying a Ryobi trimmer.
SAVE THIS MANUAL FOR FUTURE REFERENCE
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TABLE OF CONTENTS ■■■■■ Safety..................................................................................................................................................................... 2 - 3 ■■■■■ Symbols ................................................................................................................................................................. 4 - 5 ■■■■■ Technical Data ...............................................................................................
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SAFETY ■■■■■ Inspect the unit before each use for loose fasteners, fuel SPECIFIC SAFETY RULES FOR BRUSHCUTTER AND leaks, etc. Replace any damaged parts before use. BLADE USE ■■■■■ The string head or blade will rotate during carburetor ■■■■■ After engine stops, keep rotating blade in heavy grass adjustments. or pulpy weeks until it stops. ■■■■■ It has been reported that vibrations from hand-held tools ■■■■■ Do not operate the brushcutter unless the blade guard is may contribute to a condition ca
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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 safer. 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.
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SYMBOLS SYMBOL NAME EXPLANATION Switch On/Off Switch I = ON to Run O = OFF to Stop Handle Decal Positioning decal for front handle. 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:
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UNPACKING INSTRUCTIONS PACKING LIST FOR OWNER'S KIT ■■■ Carefully remove the product from the carton. ■■ ■■■■■ Grass deflector ■■■ Inspect the product to make sure no breakage or ■■ ■■■■■ Blade guard damage occurred during shipping. ■■■■■ Tri-Arc blade ■■■ Do not discard the packing material until you have ■■ ■■■■■ Shoulder strap inspected and operated the product. ■■■■■ Muffler guard, torx wrench and screws ■■■■■ Holding pin ■■■■■ Wrenches - 13 mm (1/2 in.) and 16 mm (5/8 in.) ■■■■■ Hardware ■■
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ASSEMBLY HANDLE See Figure 2. 1. Place the handle bar in the bottom clamp located on the shaft housing. NOTE: The throttle trigger must be mounted to the BOTTOM operator's right side. CLAMP THROTTLE 2. Insert the square tab of top clamp into the mounting hole TRIGGER of the bottom clamp. 3. Adjust the handle bar for best operator control in a comfortable upright position. TOP CLAMP 4. Install the knob and tighten securely. HANDLE BAR BOTTOM THROTTLE CLAMP TRIGGER TOP CLAMP KNOB BOTTOM CLAMP THRO
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ASSEMBLY ATTACHING THE SHOULDER STRAP REAR HOUSING See Figure 3. 1. Connect the latch on the shoulder strap to the strap TORX hanger. WRENCH 2. Adjust the strap to a comfortable position. NOTE: To quickly release the product from the shoulder strap, sharply pull the quick release tab. SCREWS MUFFLER GUARD SHOULDER STRAP QUICK RELEASE TAB BENT END OF MUFFLER GUARD LATCH OPENING IN REAR HOUSING Fig. 4 STRAP HANGER GRASS DEFLECTOR AND BLADE GUARD Fig. 3 USE NOTE: When converting from brushcutter t
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ASSEMBLY BLADE GUARD FOUR SCREWS See Figure 6. 1. Attach the blade guard to the mounting bracket; install MOUNTING CLAMP the four screws (10-24 x 3/4 in.) from the top of the mounting bracket through the blade guard and into the threaded mounting plates. 2. Using the torx wrench supplied, tighten all four screws BLADE GUARD securely. NOTE: When using the string head, the string shield must be attached to blade guard. NOTCHES GRASS DEFLECTOR See Figure 6. 1. Attach the grass deflector to the bl
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ASSEMBLY INSTALLING THE BLADE See Figure 8. GEAR 1. Place the upper flange washer over the gear shaft with HEAD the hollow side toward the blade guard. 2. Center the blade on the upper flange, making sure the blade sits flat. Install the cupped washer with the raised center away from the blade. Install the blade nut. The blade turns counterclockwise from the operator’s posi- BLADE tion. UPPER FLANGE GUARD WASHER 3. Place the holding pin through the slot in the upper flange washer and the hole
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OPERATION 4. Prior to replacing the fuel cap, clean and inspect the FUEL AND REFUELING gasket. HANDLING THE FUEL SAFELY 5. Immediately replace fuel cap and hand tighten. Wipe up ■■■■■ Always handle fuel with care, it is highly flammable. any fuel spillage. Move 9 m (30 ft.) away from refueling ■■■■■ Always refuel outdoors where there are no sparks and site before starting engine. flames. Do not inhale fuel vapors. NOTE: It is normal for smoke to be emitted from a new ■■■■■ Do not let gasoline
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OPERATION CUTTING TIPS See Figure 10. ■ Keep the trimmer tilted toward the area being cut; this is the best cutting area. ■ Do not cut in dangerous cutting area. ■ 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. ■ Avoid trees and shrubs. Tree bark, wood moldings, siding, and fence posts can easily be damaged by the string. DANGEROUS
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OPERATION OPERATING THE BRUSHCUTTER Hold the brushcutter with the right hand on the trigger APPROACH THE WEEDS handle and the left hand on the left handle. Keep a firm grip BEING CUT FROM THE RIGHT. with both hands while in operation. Brushcutter should be THE WEEDS WILL BE CUT held at a comfortable position with the trigger handle about AGAINST THE LEFT SIDE OF hip height. Maintain your grip and balance on both feet. THE BLADE GUARD. Position yourself so that you will not be drawn off balance b
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OPERATION STARTING AND STOPPING See Figures 14 and 15. NOTE: The unit is equipped with an automatic choke feature. The starting instructions for this feature are different from units with a manual choke. Be sure to read and follow the starting instructions below. INTERLOCK IGNITION SWITCH I = ON TO RUN WARNING: O = OFF TO STOP Never start or run the engine inside a closed or poorly ventilated area; breathing exhaust fumes can kill. THROTTLE TRIGGER TO START A COLD ENGINE: 1. Lay trimmer on a fl
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MAINTENANCE 6. Make sure the string head and the spool retainer are installed on the shaft by turning the retainer counter- WARNING: clockwise to tighten. Use only original manufacturer's replacement parts, 7. Pull the strings again to rotate the spool into cutting accessories and attachments. Failure to do so can position. Push the spool retainer down while pulling on cause possible injury, poor performance and may string(s) to manually advance the string and to check for void your warranty.
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MAINTENANCE STRING REPLACEMENT See Figures 18, 19, 20, and 21. 1. Stop the engine, disconnect the spark plug wire. Hold the string head and unscrew the spool retainer. Turn clockwise. 2. Remove the spool from the string head. NOTE: Keep the spring attached to the spool. Remove any old string remaining on the spool. SECOND STRING 3. Cut two pieces of string, each being approximately 2.7 m (9 ft.) long. 4. Insert the first string into the anchor hole in the upper part of the spool. Wind the first
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MAINTENANCE CLEANING THE EXHAUST PORT AND MUFFLER LATCH Depending on the type of fuel used, the type and amount of oil used, and/or your operating conditions, the exhaust port and muffler may become blocked with carbon deposits. If you notice a power loss with your gas powered tool, a PULL COVER qualified service technician will need to remove these TO OPEN deposits to restore performance. SPARK ARRESTOR The spark arrestor must be cleaned or replaced every 25 hours or yearly to ensure proper per
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MAINTENANCE FUEL CAP STORAGE (1 MONTH OR LONGER) 1. Drain all fuel from tank into a container approved for gasoline. Run engine until it stops. WARNING: 2. Clean all foreign material from the trimmer. Store it in a well-ventilated place that is inaccessible to children. A leaking fuel cap is a fire hazard and must be Keep away from corrosive agents such as garden replaced immediately. chemicals and de-icing salts. 3. Cover the blade with the blade protector before storing The fuel cap contain
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TROUBLESHOOTING IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER. PROBLEM PROBLEM PROBLEM PROBLEM PROBLEM POS POS POS POS POSSIBLE CA SIBLE CA SIBLE CA SIBLE CA SIBLE CAUSE USE USE USE USE SOLUTION SOLUTION SOLUTION SOLUTION SOLUTION 1. No spark. 1. Check spark. Remove spark plug. Reattach the Engine will not start: spark plug cap and lay spark plug on metal cylinder. Pull the starter rope and watch for spark at spark plug tip. If there is no spark, repeat test
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TROUBLESHOOTING IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER. PROBLEM PROBLEM PROBLEM PROBLEM PROBLEM POS POS POS POS POSSIBLE CA SIBLE CA SIBLE CA SIBLE CA SIBLE CAUSE USE USE USE USE SOLUTION SOLUTION SOLUTION SOLUTION SOLUTION String will not advance: 1. String welded to itself. 1. Lubricate with silicone spray. 2. Not enough string on spool. 2. Install more string. Refer to “String Replacement” earlier in this manual. 3. String worn too short. 3. Pull st
