Ryobi 2079r Operator's Manual

Ryobi 2079r Operator's Manual

2-cycle gas trimmer
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2079r
2-Cycle Gas Trimmer
OPERATOR'S MANUAL
FOR QUESTIONS, CALL 1-800-345-8746 in U.S. or
1-800-265-6778 in CANADA
www.ryobi.com
IMPORTANT MANUAL
DO NOT THROW AWAY

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Summary of Contents for Ryobi 2079r

  • Page 1 2079r 2-Cycle Gas Trimmer OPERATOR’S MANUAL FOR QUESTIONS, CALL 1-800-345-8746 in U.S. or 1-800-265-6778 in CANADA www.ryobi.com IMPORTANT MANUAL DO NOT THROW AWAY...
  • Page 2: Table Of Contents

    E. Carburetor Adjustment ....17 Bump Head™ is a trademark of Ryobi Outdoor F. Replacing the Spark Plug ....18 Products.
  • Page 3: California Emission Regulations

    CALIFORNIA EMISSION REGULATIONS This unit meets the 1995 to 1998 California emissions regulations for small off-road engines. These units are identified by the label on the engine of your product. A typical identification label is shown. To ensure that your unit continues to meet these regulations, refer to the following information and instructions in this operator’s manual.
  • Page 4: Rules For Safe Operation

    • Use only 0.095 inch (2.41 mm) diameter genuine Wipe up any spilled fuel from the unit immediately. Ryobi replacement line. Never use metal-reinforced line, wire, or rope, etc.. These can break off and • Move the unit at least 30 ft. (9.1 m) from the fueling become a dangerous projectile.
  • Page 5 • Use only genuine Ryobi replacement parts when servicing this unit. These parts are available from your authorized service dealer. Do not use parts, accessories or attachments not authorized by Ryobi for this unit.
  • Page 6: Safety And International Symbols

    RULES FOR SAFE OPERATION 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 •...
  • Page 7 RULES FOR SAFE OPERATION SYMBOL MEANING • THROWN OBJECTS AND ROTATING CUTTER CAN CAUSE SEVERE INJURY WARNING: Do not operate without the cutting attachment shield in place. Keep away from the rotating cutting attachment. • ON/OFF STOP CONTROL ON / START / RUN •...
  • Page 8: Know Your Unit

    • Cutting weeds and light bush of up to 1/2 inch in diameter. Handgrip 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...
  • Page 9: Oil And Fuel Information

    NOTE: One gallon (3.8 liters) of unleaded gasoline mixed Definition of Blended Fuels with one 4 oz. (120 ml.) bottle of RYOBI 2 Cycle Today's fuels are often a blend of gasoline and OIL makes a 32:1 fuel/oil ratio.
  • Page 10: Starting/Stopping Instructions

    STARTING/STOPPING INSTRUCTIONS 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.
  • Page 11: Operating Instructions

    OPERATING INSTRUCTIONS ® 2. While firmly holding the add-on, push it straight into OPERATING THE CLICK-LINK SYSTEM ® the Click-Link coupler (Fig. 5). ® The Click-Link system enables the use of these NOTE: Aligning the release button with the guide recess optional add-ons.
  • Page 12: Holding The Trimmer

    OPERATING INSTRUCTIONS HOLDING THE TRIMMER ADJUSTING TRIMMING LINE LENGTH The Bump Head™ 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.
  • Page 13: Tips For Best Trimming Results

    OPERATING INSTRUCTIONS 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.
  • Page 14: 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.
  • Page 15: Installing A Prewound Reel

    MAINTENANCE AND REPAIR INSTRUCTIONS 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.
  • Page 16: Air Filter Maintenance

    MAINTENANCE AND REPAIR INSTRUCTIONS 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 air filter/muffler cover assembly, will VOID the warranty.
  • Page 17: Carburetor Adjustment

    MAINTENANCE AND REPAIR INSTRUCTIONS 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.
  • Page 18: Replacing The Spark Plug

    Fuel Cap ....... 180000 Note: Replace cracked, fouled or dirty spark plug. The 2079r trimmer is convertible to a brushcutter with 3. Set the air gap at 0.025 in. (0.655 mm.) using a the optional Brush Blade Kit.
  • Page 19: Cleaning And Storage

    CLEANING AND STORAGE 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 60 days.
  • Page 20: Troubleshooting Chart

    TROUBLESHOOTING ENGINE WILL NOT START C A U S E A C T I O N Ignition switch is OFF Turn switch to ON Empty gas tank Fill fuel 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.
  • Page 21: Specifications

    SPECIFICATIONS ENGINE Engine Type ..............Air-Cooled, 2-Cycle Stroke .
  • Page 22 NOTES...
  • Page 23 CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The California Air Resources Board and Ryobi Outdoor MANUFACTURER'S WARRANTY COVERAGE: Products (ROP), are pleased to explain the emission • The warranty period begins on the date the engine or control system warranty on your 1995 and later small equipment is delivered to the retail purchaser.
  • Page 24: Warranty

    This warranty gives you specific legal rights, and you the RYOBI Operator’s Manual. This warranty does not may also have other rights which vary from state to apply to any damage to the RYOBI Product that is the state. result of improper maintenance or to any RYOBI...

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