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OPERATOR'S MANUAL
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I. THANK YOU California Emission Regulations ................. 3 Thank you for buying this quality product. This modern II. Rules for Safe Operation ..................... 4-8 outdoor power tool will provide many hours of useful A. Important Safty Information ................ 4-5 service. You will find it to be a great labor-saving device. B. Safety and International Symbols ........... 6-7 This operator's manual provides you with easy-to-under- C. Know Your Unit ........................... 8 sta
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Thisunitmeetsthe1995to 1998California emissions regulations forsmalloff-roadengines. These unitsareidentified by thelabelontheengineofyourproduct. Atypicalidentification labelisshown. Toensure thatyourunitcontinues tomeettheseregulations, referto thefollowing information andinstructions inthis operator's manual. California Proposition 65 Warning: THE ENGINE EXHAUST FROM THIS PRODUCT CONTAINS CHEMICALS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER, BIRTH DEFECTS OR OTHER MAINTENANCE SPECIRCA_O
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The purpose of safety symbols is to attract your atten- DANGER: Failure to obey a safety warning tion to possible dangers. The safety symbols, and their will result in serious injury to yourself or to explanations, deserve your careful attention and others. Always follow the safety precautions understanding. The safety warnings do not by them- to reduce the risk of fire, electric shock, and selves eliminate any danger. The instructions or personal injury. warnings they give are not substitutes f
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OTHER SAFETY WARNINGS Thecuttingattachment maybespinning during carburetor adjustments. Wearyourprotective • Never store the unit, with fuel in the tank, inside a equipment andobserve allsafetyinstructions. For building where fumes may reach an open flame or unitsequipped withaclutch,besurethecutting spark. attachment stopsturningwhentheengineidles. • Allow the engine to cool before storing or Whentheunitisturnedoffmakesurethecutting transporting. Be sure to secure the unit while attachment hass
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SAFETY AND INTERNATIONAL SYMBOLS This operator's manual describes safety and international symbols and pictographs that may appear on this product. Read the operator's manual for complete safety, assembly, operating and maintenance and repair information. SYMBOL MEANING Indicates danger, warning, or caution. May be used in conjunction with other symbols or pictographs. " SAFETY ALERT SYMBOL • WARNING - READ OPERATOR'S MANUAL Read the operator's manual before starting or operating this unit. Fail
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SYMBOL MEANING WARNING: Do not operate without the cutting attachment shield in place. Keep away from the rotating cutting attachment. _._ • THROWN OBJECTS AND ROTATING CUTTER CAN CAUSE SEVERE INJURY • ON/OFF STOP CONTROL ON / START / RUN I • ON/OFF STOP CONTROL OFF OR STOP O • HOT SURFACE WARNING Do not touch a hot muffler or cylinder. You may get burned. These parts get extremely hot from operation. When turned off they remain hot for a short time. m • SHARP BLADE WARNING: Sharp blade on strin
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Grip APPLICATIONS Gas Cap As a trimmer; • Cutting grass and light weeds. • Edging • Decorative trimming around trees, fences, etc. With optional brushcutter kit; • Cutting weeds and light bush of up to 1/2 inch in diameter. Other optional accessories may be used with the 2079r. See list of add-ons on page 11. Throttle Control D-Handle Air Filter Cover Start / Stop Control Shaft Housing_ Choke Lever Primer Bulb Cutting Attachment Shield Gear Housing \ \ \ \ \ Blade Attachment
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OIL AND FUEL MIXING INSTRUCTIONS _ Thoroughly mix the proper ratio of RYOBI 2-cycle engine oil with unleaded gasoline in a OId and/or improperly mixed fuel is usually the separate fuel can. Use a 32:1 fuel/oil ratio. Do main reasons for the unit not running properly. Be not mix them directly in the engine fuel tank. See the sure to use fresh, clean unleaded fuel. Follow the table below for specific gas and oil mixing ratios. instructions carefully for the proper fuel/oil mixture. NOTE: One gallo
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STOPPING INSTRUCTIONS 5. With the unit on the ground, squeeze the throttle control and hold. Pull starter rope briskly (Fig. 3). 1. Release your hand from the throttle control (Fig. 3). Continue pulling until the engine sounds as though it Allow the engine to cool down by idling. wants to run (normally 2 to 5 pulls). 2. Put the Start / Stop Engine Control in the STOP NOTE." Squeeze the throttle control until the engine has position (Fig. 1). started and warmed up. STARTING INSTRUCTIONS 6. Place
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OPERATING THE CLICK-LINK® SYSTEM 2. While firmly holding the add-on, push it straight into the Click-Link ® coupler (Fig. 5). The Click-Link ® system enables the use of these optional add-ons. NOTE: Aligning the release button with the guide recess will help installation (Fig. 5). Blower/Vacuum .......................... BV72Or Cultivator .............................. GC72Or Release Button Edger .................................. LE72Or Click-Link ® Coupler Hedge Trimmer .......................
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HOLDING THE TRIMMER ADJUSTING TRIMMING LINE LENGTH The Bump Head TM cutting attachment allows you to WARNING: Always wear eye, hearing, foot release trimming line without stopping the engine. To and body protection to reduce the risk of release more line, lightly tap the cutting attachment on injury when operating this unit. the ground (Fig. 9) while operating the trimmer at high speed. Before operating the unit, stand in the operating position (Fig. 7). Check for the following: NOTE: Always kee
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TIPS FOR BEST TRIMMING RESULTS For example, the line will wear faster when trimming against a foundation wall as opposed to trimming • Keep the cutting attachment parallel to the ground. around a tree. • Do not force the cutting attachment. Allow the tip of DECORATIVE TRIMMING the line to do the cutting, especially along walls. Cutting with more than the tip will reduce cutting effi- Decorative trimming is accomplished by removing all ciency and may overload the engine. vegetation around trees,
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LINE INSTALLATION 5. Check the indexing teeth on the innerreel and outer spool for wear (Fig. 13). If necessary, remove burrs Always use genuine Ryobi 0.095 inch (2.41 mm.) or replace the reel and spool. replacement line. Larger line may make the engine overheat or fail. NOTE: A cutting attachment outer spool, Part # 147494 can be purchased from your local authorized WARNING: Never use metal-reinforced line, dealer. wire, or rope, etc.. These can break off and become a dangerous projectile. Ther
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7. Wind the lines in tight even layers, onto the reel 9. Place the spring in the inner reel. Insert the ends of (Fig.15). Wind the line in the direction indicated on the line through the eyelets in the outer spool and the inner reel. Place your index finger between the place inner reel inside the outer spool (Fig. 17). Push two lines to stop the lines from overlapping. Do not the inner reel and outer spool together. While holding overlap the ends of the line. the inner reel and outer spool, gras
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AIR FILTER MAINTENANCE 3. Wash the filter in detergent and water (Fig. 20). Rinse the filter thoroughly and allow it to dry. Clean and re-oil the air filter every 10 hours of operation. NOTE: Operating the unit without the air filter and J air filter/muffler cover assembly, will VOID the warranty. WARNING: To avoid serious personal injury, always turn your trimmer off and allow it to cool before you clean or do any maintenance on it. 1. Remove the carburetor/air filter cover by pushing on the ta
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CARBURETOR ADJUSTMENT NOTE: The cutting attachment should not rotate when the engine idles. The idle speed of the engine is adjustable though the Air filter/muffler cover (Fig 23). 3. if the cutting attachment rotates when the engine idles, turn the idle speed screw counterclockwise 1/8 NOTE: Careless adjustments can seriously damage your of a turn at a time (as needed), to reduce idle speed. unit. An authorized service dealer should make carburetor adjustments. Checking the fuel mixture, cleani
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REPLACING THE SPARK PLUG ACCESSORIES/REPLACEMENT PARTS Use a Champion RCJ6Y spark plug (or equivalent). The 2-Cycle OIl ............................. 147543 correct air gap is 0.025 in. (0.655 mm.). Remove the plug after every 50 hours of operation to check its condition. Spark Plug ............................. 181765 1. Stop the engine and allow it to cool. Grasp the plug Replacement Line ....................... 612454 wire firmly and pull the cap from the spark plug. Replacement Line Cartridg
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CLEANING LONG TERM STORAGE If the unit will be stored for an extended time, WARNING: To avoid serious personal injury, 1. Drain all gasoline from the gas tank into a container. always turn your trimmer off and allow it to Do not use gas that has been stored for more than cool before you clean or do any maintenance on it. 60 days. Dispose of the old gasoline in accordance to Federal, State, and Local regulations. Use a small brush to clean off the outside of the unit. Do 2. Start the engine and a
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bil-"• : • • e] CAUSE ACTION Turn switch to ON Ignition switch is OFF Fill fuel tank Empty gas tank Primer bulb wasn't pressed enough Press primer bulb fully and slowly 5-7 times Engine flooded Use starting procedure with choke lever in the RUN position, Pg. 10 Drain fuel tank / Add fresh fuel mixture Old or improperly mixed fuel Fouled spark plug Replace or clean the spark plug CAUSE ACTION Air Filter is Plugged Replace or clean the air filter Old or improperly mixed fuel Drain gas tank / Add f
