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Ryobi 768r manual

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Table of contents for the manual

  • Page 1

    768r Flail Head T rimmer OPERA TOR’S MANUAL FOR QUESTIONS, CALL 1-800-345-8746 in U.S. or 1-800-265-6778 in CANADA www.ryobi.com IMPORT ANT MANUAL DO NOT THROW AW A Y[...]

  • Page 2

    INTRODUCTION T ABLE OF CONTENTS 2 THANK YOU Thank you for buying this quality product. This modern outdoor power tool will provide many hours of useful service. You will find it to be a great labor-saving device. This operator’s manual provides you with easy-to-under- stand operating instructions. Read the whole manual and follow all the instruct[...]

  • Page 3

    CALIFORNIA EMISSION REGULA TIONS 3 W ARNING NOTE: For users on U.S. Forest Land and in the states of California, Maine, Oregon and Washington. All U.S. Forest Land and the state of California (Public Resources Codes 4442 and 4443), Oregon and Washington require, by law that certain internal combustion engines operated on forest brush and/or grass-c[...]

  • Page 4

    RULES FOR SAFE OPERA TION 4 DANGER : Failure to obey a safety warning will result in serious injury to yourself or to others. Always follow the safety precautions to reduce the risk of fir e, electric shock, and personal injury . WARNING : Failur e to obey a safety war ning can result in injury to yourself and others. Always follow the safety preca[...]

  • Page 5

    RULES FOR SAFE OPERA TION 5 • This unit has a clutch. The cutting attachment remains stationary when the engine is idling. If it does not, have the unit adjusted by an authorized service technician. • Adjust the D handle to provide the best grip. • Be sure the cutting attachment is not in contact with anything before starting the unit. • Us[...]

  • Page 6

    RULES FOR SAFE OPERA TION 6 SAFETY AND INTERNA TIONAL 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 • SAFETY ALERT SYMBOL Indicates danger[...]

  • Page 7

    RULES FOR SAFE OPERA TION 7 SYMBOL MEANING • THROWN OBJECTS AND ROT A TING CUTTER CAN CAUSE SEVERE INJUR Y WARNING: Do not operate without the cutting attachment shield in place. Keep away fr om the rotating cutting attachment. • ON/OFF STOP CONTROL ON / ST AR T / RUN • ON/OFF STOP CONTROL OFF OR STOP • HOT SURF ACE WARNING Do not touch a h[...]

  • Page 8

    APPLICATIONS As a trimmer; • Cutting grass and light weeds. • Edging • Decorative trimming around trees, fences, etc. With Flailhead; • Cutting weeds and light brush of up to 1/2 inch in diameter. RULES FOR SAFE OPERA TION 8 Cutting Attachment Shield Gas Cap Throttle Control D-Handle Line Cutting Blade Cutting Attachment Handgrip Primer Bul[...]

  • Page 9

    ASSEMBL Y INSTRUCTIONS 9 3. Snap the clip on to the support fitting (Fig. 2). Support Fitting 4. While standing in the operating position adjust length to fit the operator ’ s size. Pull tab to lengthen, pull strap to shorten (Fig 3). Fig. 2 INST ALLING THE HARNESS WARNING: T o avoid serious personal injury , never attempt to start the unit when [...]

  • Page 10

    INST ALLING THE FLAIL HEAD NOTE: To make removing or installing the cutting attachment easier, place the unit on the ground or on a work bench. WARNING: The gear housing gets hot with use and can result in injury to the operator . When the unit is turned off it remains hot for a short time. Do not touch the gear housing until it has cooled. 1. Plac[...]

  • Page 11

    11 3. Grip the sides of the Flail Head with the Adaptor facing your palm and the Flail Head top facing the unit. Screw the Flail Head clockwise onto the shaft (Fig. 12) until the Flail Head is on securely. Do not over tighten. WARNING: T o avoid serious personal injury and damage to the unit, do not put the Flail head on facing the wrong dir ection[...]

  • Page 12

    OIL AND FUEL INFORMA TION 12 OIL AND FUEL MIXING INSTRUCTIONS Old and/or improperly mixed fuel are the main rea- sons for the unit not running properly. Be sure to use fresh, clean unleaded fuel. Follow the instruc- tions carefully for the proper fuel/oil mixture. Definition of Blended Fuels Today's fuels are often a blend of gasoline and oxy-[...]

  • Page 13

    ST ARTING/STOPPING INSTRUCTIONS 13 Choke Lever Full Choke Position (A) Starter Rope Throttle Control On/Off Stop Control Primer Bulb Fig. 16 ST ARTING INSTRUCTIONS WARNING: A void accidental starting. Be in the starting position when pulling the starter rope (Fig. 16). The operator and unit must be in a stable position while starting to avoid serio[...]

  • Page 14

    OPERA TING INSTRUCTIONS 14 HOLDING THE TRIMMER WARNING: Always wear eye, hearing, foot and body protection to r educe the risk of injury when operating this unit. Before operating the unit, stand in the operating position (Fig. 17). Check for the following: • The operator is wearing eye protection and proper clothing. • The right arm is slightl[...]

  • Page 15

    WARNING: The cutting attachment shield must be installed when operating either the cutting attachment or flail head. OPERA TING INSTRUCTIONS 15 NOTE: Some maintenance procedures may require special tools or skills. If you are unsure about these procedures take your unit to an authorized service dealer. MAINTENANCE SCHEDULE These required maintenanc[...]

  • Page 16

    MAINTENANCE AND REP AIR INSTRUCTIONS 16 Indexing Teeth Inner Reel Spring Outer Spool Bump Knob ™ LINE INST ALLA TION Always use genuine Ryobi 0.080 inch (2.03 mm.) replacement line. Larger line may make the engine overheat or fail. WARNING: Never use metal-reinforced line, wire, or rope, etc.. These can break off and become a dangerous projectile[...]

  • Page 17

    MAINTENANCE AND REP AIR INSTRUCTIONS 17 10. Hold the inner reel in place and install the Bump Knob ™ by turning clockwise. Tighten securely. INSTALLING A PREWOUND REEL 1. Hold the outer spool with one hand and unscrew the Bump Knob ™ counterclockwise (Fig. 21 Pg. 16). Inspect the bolt inside the Bump Knob ™ to make sure it moves freely. Repla[...]

  • Page 18

    MAINTENANCE AND REP AIR INSTRUCTIONS 18 Choke Lever Screws Screws Partial Choke Position (B) 3. Pull the cover from the engine. Do not force. Cleaning the Air Filter WARNING: T o avoid serious personal injury , always turn your trimmer off and allow it to cool before you clean or do any maintenance on it. Clean and re-oil the air filter every 10 ho[...]

  • Page 19

    MAINTENANCE AND REP AIR INSTRUCTIONS 19 6. Replace the air filter in the air filter/muffler cover (Fig. 29). NOTE: Operating the unit without the air filter and air filter/muffler cover assembly, will VOID the warranty. Reinstalling the Airfilter/Muffler Cover 1. Place the air filter/muffler cover over the back of the carburator and muffler. NOTE: [...]

  • Page 20

    MAINTENANCE AND REP AIR INSTRUCTIONS 20 REPLACING THE SP ARK PLUG Use a Champion RDJ7Y spark plug (or equivalent). The correct air gap is 0.020 in. (0.5 mm.). Remove the plug after every 50 hours of operation to check its condition. 1. Stop the engine and allow it to cool. Grasp the plug wire firmly and pull the cap from the spark plug. 2. Clean di[...]

  • Page 21

    TROUBLESHOOTING 21 CAUSE ACTION Cutting head bound with grass Stop the engine and clean cutting attachment Cutting head out of line Refill with new line Inner reel bound up Replace the inner reel Cutting head dirty Clean inner reel and outer spool Line welded Disassemble, remove the welded section and rewind the line Line twisted when refilled Disa[...]

  • Page 22

    SPECIFICA TIONS 22 Engine T ype . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air -Cooled, 2-Cycle Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.25 in. (31.75 mm.)[...]

  • Page 23

    23 CALIFORNIA EMISSION CONTROL WARRANTY ST A TEMENT YOUR WARRANTY RIGHTS AND OBLIGA TIONS 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 mee[...]

  • Page 24

    ALL IMPLIED WARRANTIES ARE LIMITED IN DURATION TO THE TWO (2) YEAR WARRANTY PERIOD OR NINETY (90) DAYS FOR PRODUCTS USED FOR ANY COMMERCIAL PURPOSE. ACCORDINGLY, ANY SUCH IMPLIED WARRANTIES INCLUDING MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR OTHERWISE, ARE DISCLAIMED IN THEIR ENTIRETY AFTER THE EXPIRATION OF THE APPROPRIATE TWO-YEAR OR [...]