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If “L” low needle can not be turned anticlockwise, do not force plastic limiter caps. Contact a servicing dealer. See Figure 25. Engine does not reach full speed and emits excessive smoke: 1. Check oil fuel mixture. 2. Air filter dirty. 3. Carburettor requires adjustment. 1. Use fresh fuel and the correct 2-cycle oil mix. 2. Clean air filter. Refer to “Replacing and Cleaning Air Filter” earlier in this manual. 3. Turn “H” needle clockwise 1/16 - 1/8 turn. See Figure25. Engine starts, runs, and accelerates but will not idle: Carburettor requires adjustment. Turn idle speed screw clockwise to increase idle speed. SeeFigure 25. Blade continues to rotate at idle speed: Carburettor requires adjustment. Turn idle speed screw anticlockwise to reduce idle speed. See Figure 25.If after adjustment, blade continues to rotate, return to an authorised servicing dealer for repair. 19 TROUBLESHOOTING TROUBLESHOOTING IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM, CONTACT YOUR AUTHORISED SERVICE DEALER. PROBLEM PROBLEMPROBLEMPROBLEMPROBLEMPROBLEM POSSIBLE CAUSE POSSIBLE CAUSEPOSSIBLE CAUSEPOSSIBLE CAUSEPOSSIBLE CAUSEPOSSIBLE CAUSE SOLUTION SOLUTIONSOLUTIONSOLUTIONSOLUTIONSOLUTION 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. String worn too short. 4. String tangled on spool. 5. Engine speed too slow. 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. Grass wraps round shaft housing and string head: 1. Cutting tall grass at ground level. 2. Operating trimmer at part throttle. 1. Cut tall grass from the top down. 2. Operate trimmer at full throttle. Spool retainer hard to turn: Screw threads dirty or damaged. Clean threads and lubricate with grease - if no improvement, replace spool retainer. Oil drips from silencer: 1. Operating trimmer at part throttle. 2. Check oil/fuel mixture. 3. Air filter dirty. 4. Carburettor requires adjustment. 1. Operate trimmer at full throttle. 2. Use fresh fuel and the correct 2-cycle oil mix. 3. Clean per instruction in Maintenance Section. 4. Turn “H” needle clockwise 1/16 - 1/8 turn.See Figure 25. NOTE: The carburettor adjustment needle(s) are equipped with plastic cap(s) which prevent anticlockwise rotation from the original factory adjustment. If your unit exhibits specific performance problem(s) where the Troubleshooting Section recommends an anticlockwise needle adjustment and no adjustments have been made since original purchase, the unit should be taken to a factory-authorised service dealer for repair. In most cases, the needed adjustment is a simple task for the factory-trained service representative. “L” LO NEEDLE “H” HIGH NEEDLE IDLE SPEED SCREW Fig. 25 20 WARRANTY 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, unauthorised/improper maintenance/handling or overload are excluded from this guarantee as are accessories such as battery packs, bulbs, blades and bits etc. In the event of malfunction within the guarantee period, please return the assembled product with proof of purchase to your dealer or nearest Ryobi Service Centre. Your statutory rights in respect of defective products remain unaffected by the warranty. Ryobi Technologies GmbH, Itterpark, D-40724 Hilden, Germany Ryobi Technologies, Customer Services, Anvil House, Tuns Lane, Henley-on-Thames, RG9 1SA, UK Ryobi Technologies, BP 50012 - 95945 Roissy CDG Cedex – FRANCE Ryobi Technologies Australia PTY Limited, 359-361 Horsley Road, Milperra, NSW 2214 Australia SAFETY DIRECTIVE SOUND POWER/PRESSURE AND HANDLE VIBRATION CHART FOR STRING TRIMMERS / BRUSHCUTTERS Information on Noise Emission per European Machine Safety Directive 98/37/EC. The individual equipment listed was operated in a manner consistent with normal working conditions. The A-weighted sound pressure level (LpA) at the operator’s ear and the A-weighted sound power level (LWA) were both measured in accordance with Directive 79/113/EEC. Hearing protection is recommended where levels exceed 85 dBA. Handle vibration was measured in accordance to ISO 7916. Read the safety precautions section of the manual. SOUND PRESSURE SOUND POWER VIBRATION MODEL MODEL NO. LpA (dBA) LwA (dBpA) m/s2 PBC3046B RY70107 99 112 6.0 EC DECLARATION OF CONFORMITY According to machinery directive 98/37/EC and EMC directive 89/336/EEC - We, Ryobi Technologies Inc., 1428 Pearman Dairy Road, Anderson, SC 29625, USA declare in sole responsibility that the product: PBC3046B (RY70107) - to which this certificate applies, conforms to the basic health and safety requi...

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