Ryobi Trimmer Operator's Manual

Ryobi Trimmer Operator's Manual

Ryobi outdoor trimmer user manual

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OPERATOR'S MANUAL

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Steven Johnson
March 9, 2025

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Summary of Contents for Ryobi Trimmer

  • Page 1 OPERATOR'S MANUAL...
  • Page 2: Table Of Contents

    III. Oil and Fuel Information ... IV. Starting/Stopping Operating Instructions A. Operating the Click-Link System ... B. Holding the Trimmer C. Adjusting the D Handle ... in this D. Adjusting Trimming Line Length ... E. Tips for Best Trimming Results ...
  • Page 3: California Emission Regulations

    Thisunitmeets the 1995 to 1998California e missions r egulations f orsmall o ff-roadengines. These unitsareidentified by the label o ntheengine ofyourproduct. A typicalidentification l abelisshown. Toensure thatyourunitcontinues t omeettheseregulations, refer to thefollowing information a ndinstructions i nthis operator's manual. MAINTENANCE SPECIRCA_ON ANDADJUSmEhTS.
  • Page 4: Safety Information

    Long sleeve shirts are recommended. immediately. The cutting attachment shield must always be in place while operating the unit as a trimmer. Do not operate unit without both trimming lines extended, and the proper line installed. Do not extend the trimming line beyond the length of the shield.
  • Page 5 WARNING" To avoid serious personal injury do not install a blade on this unit as configured. Brushcutter Kit # 300026 is available to convert this model into a trimmer / brushcutter. SAVE THESE INSTRUCTION...
  • Page 6 SAFETY AND INTERNATIONAL 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, " SAFETY pictographs.
  • Page 7 WARNING: To avoid serious personal injury do not install a blade on this unit as configured. Brushcutter Kit # 300026 is available to convert this model into a trimmer / brushcutter. WARNING: The operation This can lead to severe eye damage. Before commencing glasses or goggles that are marked as meeting ANSI Z87.1-1989...
  • Page 8 APPLICATIONS 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.
  • Page 9: Oil And Fuel Information

    OIL AND FUEL MIXING INSTRUCTIONS OId and/or improperly mixed fuel is usually the main reasons for the unit not running properly. Be sure to use fresh, clean unleaded fuel. Follow the instructions carefully for the proper fuel/oil mixture. Definition of Blended Fuels Today's fuels are often a blend of gasoline and oxygenates such as ethanol, methanol or MTBE (ether).
  • Page 10: Starting/Stopping Instructions

    STOPPING INSTRUCTIONS Release your hand from the throttle control (Fig. 3). Allow the engine to cool down by idling. Put the Start / Stop Engine Control in the STOP position (Fig. 1). STARTING INSTRUCTIONS WARNING: Avoid accidental the starting position when pulling the starter rope (Fig.
  • Page 11: Operating Instructions

    The Click-Link ® system enables the use of these optional add-ons. Blower/Vacuum Cultivator Edger ... Hedge Trimmer Snow Thrower Straight Shaft Trimmer Sweeper/Blower Tree Pruner ... Turbo Blower ... WARNING: Read and understand manual for add-on prior to operation. Removing the Cutting Attachment or Add-Ons: 1.
  • Page 12: Holding The Trimmer

    The Bump Head release trimming line without stopping the engine. To release more line, lightly tap the cutting attachment on the ground (Fig. 9) while operating the trimmer at high speed. NOTE: Always keep the trimming line fully extended. Line release becomes more difficult as cutting line becomes shorter Each time the head is bumped, about 1 inch (25.4 mm.)
  • Page 13: Tips For Best Trimming Results

    Clippings are thrown away from the operator. • Slowly move the trimmer into and out of the cutting area at the desired height. Move either in a forward- backward or side-to-side motion. Cutting shorter lengths produces the best results.
  • Page 14: Line Installation

    LINE INSTALLATION Always use genuine Ryobi 0.095 inch (2.41 mm.) replacement line. Larger line may make the engine overheat or fail. WARNING: Never use metal-reinforced wire, or rope, etc.. These can break off and become a dangerous projectile. There are two methods to replace the trimming line. •...
  • Page 15: Installing A Prewound Reel

    Wind the lines in tight even layers, onto the reel (Fig.15). Wind the line in the direction indicated on the inner reel. Place your index finger between the two lines to stop the lines from overlapping. Do not overlap the ends of the line. NOTE: Failure to wind the line in the direction indicated will cause the cutting attachment to operate incorrectly.
  • Page 16: Air Filter Maintenance

    NOTE: Operating the unit without the air filter and air filter/muffler cover assembly, will VOID the warranty. WARNING: To avoid serious personal injury, always turn your trimmer cool before you clean or do any maintenance on it. Remove the carburetor/air filter cover by pushing on the tab on top of the cover (Fig.
  • Page 17: Carburetor Adjustment

    CARBURETOR ADJUSTMENT The idle speed of the engine is adjustable though the Air filter/muffler cover (Fig 23). NOTE: Careless adjustments can seriously damage your unit. An authorized service dealer should make carburetor adjustments. Check Fuel Mixture Old and/or improperly mixed fuel is usually the reason for the unit not running properly.
  • Page 18: Replacing The Spark Plug

    Inner Reel Spring ... Bump Head Knob Assembly Fuel Cap ... The 2079r trimmer is convertible to a brushcutter with the optional Brush Blade Kit. The kit contains all the necessary parts to safely convert the trimmer to brushcutter capability.
  • Page 19: Cleaning And Storage

    CLEANING WARNING: T o avoid serious personal injury, always turn your trimmer cool before you clean or do any maintenance on it. Use a small brush to clean off the outside of the unit. Do not use strong detergents. Household cleaners that contain aromatic oils such as pine and lemon, and such as kerosene, can damage plastic housing or handle.
  • Page 20: Troubleshooting Chart

    CAUSE Ignition switch is OFF Empty gas tank Primer bulb wasn't pressed enough Engine flooded Old or improperly mixed fuel Fouled spark plug CAUSE Air Filter is Plugged Old or improperly mixed fuel Improper carburetor adjustment CAUSE Old or improperly mixed fuel Improper carburetor adjustment Cutting head bound with grass Dirty air filter...
  • Page 21: Specifications

    Engine Type Stroke Displacement Clutch Type Operating RPM (Trimmer) Idle Speed RPM ... Ignition Type Ignition Switch Spark Plug Gap Lubrication Fuel/Oil Ratio ... Carburetor Starter Muffler Throttle Fuel Tank Capacity Fuel Tank ... Drive Shaft Housing Throttle Control Unit Weight (No fuel, with cutting attachment,...
  • Page 23: Warranty Coverage

    CALIFORNIA YOUR WARRANTY The California Air Resources Board and Ryobi Outdoor Products (ROP), are pleased to explain the emission control system warranty on your 1995 and later small off-road engine. In California, new small off-road engines must be designed, built and equipped to meet the State's stringent anti-smog standards.
  • Page 24: Warranty

    RYOBI OUTDOOR PRODUCTS warrants each new RYOBI Product for two (2) years according to the following terms. This warranty extends to the original retail purchaser only and commences on the date of original retail purchase. Any part of the RYOBI Product manufactured supplied by RYOBI and found in the reasonable judgement of RYOBI to be defective in material or workmanship...

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