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.
TABLE OF CONTENTS ■ Safety ..................................................................................................................................................................... 2 - 3 ■ Symbols ................................................................................................................................................................. 4 - 5 ■ Technical Data .................................................................................................................
SAFETY ■ 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. ■ It has been reported that vibrations from hand-held tools 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.
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.
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.
UNPACKING INSTRUCTIONS PACKING LIST FOR OWNER'S KIT ■ Carefully remove the product from the carton. ■ Inspect the product to make sure no breakage or damage occurred during shipping. ■ Do not discard the packing material until you have inspected and operated the product. ■ ■ ■ ■ ■ ■ Grass deflector Blade guard Tri-Arc blade Shoulder strap Muffler guard, torx wrench and screws Holding pin ■ Wrenches - 13 mm (1/2 in.) and 16 mm (5/8 in.
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 operator's right side. 2. Insert the square tab of top clamp into the mounting hole of the bottom clamp. 3. Adjust the handle bar for best operator control in a comfortable upright position. 4. Install the knob and tighten securely.
ASSEMBLY ATTACHING THE SHOULDER STRAP REAR HOUSING See Figure 3. 1. Connect the latch on the shoulder strap to the strap hanger. 2. Adjust the strap to a comfortable position. NOTE: To quickly release the product from the shoulder strap, sharply pull the quick release tab. TORX WRENCH SCREWS QUICK RELEASE TAB MUFFLER GUARD SHOULDER STRAP BENT END OF MUFFLER GUARD LATCH OPENING IN REAR HOUSING Fig. 4 STRAP HANGER GRASS DEFLECTOR AND BLADE GUARD USE Fig.
ASSEMBLY BLADE GUARD FOUR SCREWS See Figure 6. 1. Attach the blade guard to the mounting bracket; install 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 securely. NOTE: When using the string head, the string shield must be attached to blade guard. MOUNTING CLAMP BLADE GUARD NOTCHES GRASS DEFLECTOR See Figure 6. 1.
ASSEMBLY INSTALLING THE BLADE See Figure 8. 1. Place the upper flange washer over the gear shaft with 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 position. 3. Place the holding pin through the slot in the upper flange washer and the hole in the gear head. Using the 13 mm (1/2 in.
OPERATION 4. Prior to replacing the fuel cap, clean and inspect the gasket. 5. Immediately replace fuel cap and hand tighten. Wipe up any fuel spillage. Move 9 m (30 ft.) away from refueling site before starting engine. NOTE: It is normal for smoke to be emitted from a new engine during and after first use. FUEL AND REFUELING HANDLING THE FUEL SAFELY ■ Always handle fuel with care, it is highly flammable. ■ Always refuel outdoors where there are no sparks and flames. Do not inhale fuel vapors.
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.
OPERATION OPERATING THE BRUSHCUTTER Hold the brushcutter with the right hand on the trigger handle and the left hand on the left handle. Keep a firm grip with both hands while in operation. Brushcutter should be held at a comfortable position with the trigger 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.
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 O = OFF TO STOP WARNING: 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.
MAINTENANCE 6. Make sure the string head and the spool retainer are installed on the shaft by turning the retainer counterclockwise to tighten. 7. Pull the strings again to rotate the spool into cutting position. 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. WARNING: Use only original manufacturer's replacement parts, accessories and attachments.
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. 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.
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 qualified service technician will need to remove these deposits to restore performance.
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. 2. Clean all foreign material from the trimmer. Store it in a well-ventilated place that is inaccessible to children. Keep away from corrosive agents such as garden chemicals and de-icing salts. 3. Cover the blade with the blade protector before storing the unit, or during transportation. 4.
TROUBLESHOOTING IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER. PROBLEM POS SIBLE CA USE POSSIBLE CAUSE SOLUTION Engine will not start: 1. No spark. 1. Check spark. Remove spark plug. Reattach the 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 with a new spark plug. 2. Push primer bulb until bulb is full of fuel.
TROUBLESHOOTING IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER. PROBLEM POS SIBLE CA USE POSSIBLE CAUSE SOLUTION String will not advance: 1. String welded to itself. 2. Not enough string on spool. 1. Lubricate with silicone spray. 2. Install more string. Refer to “String Replacement” earlier in this manual. 3. Pull strings while alternately pressing down on and releasing spool retainer. 4. Remove string from spool and rewind.
WARRANTY GUARANTEE – STATEMENT (RTSA / RTUK / RTG) All Ryobi products are guaranteed from defects in material and workmanship, for a period of twenty-four (24) months, effective and evidenced from date of original invoice or delivery note. Defects caused by normal wear and tear, unauthorized/improper maintenance/handling or overload are excluded from this guarantee as are accessories such as battery packs, bulbs, blades and bits,etc.
OPERATOR'S MANUAL String Trimmer / Brushcutter PBC3046B RY70107 Ryobi Technologies GmbH Itterpark 7 D-40724 Hilden Germany Tel.: +49 (0)2103 / 29 58 0 Fax : +49 (0)2103 / 29 58 29 info@ryobi-rtg.