Instruction/ maintenance manual of the product 770rEB Ryobi
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770rEB 2-Cycle Gas T rimmer / Edger / Blower 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.
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.
CALIFORNIA EMISSION REGULA TIONS 3 SP ARK ARRESTOR W ARNING! RULES FOR SAFE OPERA TION NOTE: For users on U.S. Forest Land and in the states of California, Maine, Oregon and Washington.
RULES FOR SAFE OPERA TION 4 READ ALL INSTRUCTIONS BEFORE OPERA TING • Read the instructions carefully. Be familiar with the controls and proper use of the unit. • Do not operate this unit when tired, ill, or under the influence of alcohol, drugs, or medication.
RULES FOR SAFE OPERA TION 5 • Do not touch the engine or muffler. These parts get extremely hot from operation. When turned off they remain hot for a short time. • Do not operate the engine faster than the speed needed to cut, trim or edge. Do not run the engine at high speed when not cutting.
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 • HOT SURF ACE WARNING Do not touch a hot muffler or cylinder . Y ou may get burned. These parts get extremely hot from operation. When turned off they r emain hot for a short time. • SHARP BLADE WARNING: Ther e is a sharp blade on the cutting attachment shield.
RULES FOR SAFE OPERA TION 8 KNOW YOUR UNIT APPLICA TIONS As a trimmer; • Cutting grass and light weeds. • Decorative trimming around trees, fences, etc. With Edger Add-On; • Edging along paths, driveways, rockeries, etc. With Sweeper/Blower Add-On • Cleaning driveways, porches, around walls, fences, etc.
ASSEMBL Y INSTRUCTIONS 9 7. Tighten the clamp screws evenly, until the J-handle is secure. 6. While holding the unit in the operating position (Fig. 3), position the J-handle to the location that provides you the best grip. Decal INST ALLING AND ADJUSTING THE J-HANDLE 1.
ASSEMBL Y INSTRUCTIONS 10 Fig. 4 Fig. 5 Fig. 6 INST ALLING THE CUTTING A TT ACHMENT SHIELD Use the following instructions if the cutting attachment shield on your unit is not installed. WARNING: Never operate the trimmer without the cutting attachment shield in place to prevent serious personal injury .
OIL AND FUEL INFORMA TION 11 WARNING: Gasoline is extr emely flammable. Ignited V apors may explode. Always stop the engine and allow it to cool before filling the fuel tank. Do not smoke while filling the tank. Keep sparks and open flames at a distance from the ar ea.
ST ARTING/STOPPING INSTRUCTIONS 12 4. Place the choke lever in the FULL choke position ( A ) (Fig. 8). 8. If the engine does not start, repeat steps 4 through 7. NOTE: If the engine floods while trying to start, place the choke lever in the RUN position ( C ) (Fig.
OPERA TING INSTRUCTIONS 13 2. While firmly holding the add-on, push it straight into the Click-Link ® coupler (Fig. 11). NOTE: Aligning the release button with the guide recess will help installation (Fig. 11). 3. Turn the knob clockwise to tighten (Fig.
OPERA TING INSTRUCTIONS 14 Fig. 13 Fig. 14 Each time the head is bumped, about 1 inch (25.4 mm.) of trimming line is released. A blade in the cutting attachment shield will cut the line to the proper length if excess line is released. For best results, tap the Bump Head ™ on bare ground or hard soil.
OPERA TING INSTRUCTIONS 15 DECORA TIVE TRIMMING Decorative trimming is accomplished by removing all vegetation around trees, posts, fences, etc. Rotate the whole unit so that the cutting attachment is at a 30 ° angle to the ground (Fig.
OPERA TING INSTRUCTIONS 16 OPERA TING TIPS WHEN USING SWEEPER/BLOWER • To reduce the risk of hearing loss associated with sound level(s), the use of hearing protection is required. • Operate power equipment only at reasonable hours – not early in the morning or late at night when people might be disturbed.
MAINTENANCE AND REP AIR INSTRUCTIONS 17 FREQUENCY MAINTENANCE REQUIRED REFER TO: Before Starting Engine Fill fuel tank with correct oil and fuel mixture. Page 11 Every 10 Hours Clean and re-oil air filter. Page 20 Every 50 Hours Check spark plug condition and gap.
MAINTENANCE AND REP AIR INSTRUCTIONS 18 Fig. 26 Fig. 27 Fig. 24 Fig. 25 Fig. 28 5. Check the indexing teeth on the inner reel and outer spool for wear (Fig. 24). If necessary, remove burrs or replace the reel and spool. NOTE: A cutting attachment head assembly, Part # 153700 can be purchased from your local authorized dealer.
MAINTENANCE AND REP AIR INSTRUCTIONS 19 INST ALLING A PREWOUND REEL 1. Hold the outer spool with one hand and unscrew the Bump Knob ™ counterclockwise (Fig. 21, Pg 17). Inspect the bolt inside the Bump Knob ™ to make sure it moves freely. Replace the Bump Knob ™ if damaged.
MAINTENANCE AND REP AIR INSTRUCTIONS 20 Fig. 34 Fig. 35 Fig. 36 4. Apply enough clean SAE 30 oil to lightly coat the filter (Fig. 36). Air Filter 3. Wash the filter in detergent and water (Fig. 35). Rinse the filter thoroughly. Squeeze out excess water.
MAINTENANCE AND REP AIR INSTRUCTIONS 21 Fig. 38 CARBURETOR ADJUSTMENT The idle speed of the engine is adjustable through the Air filter/Muffler cover (Fig. 38). NOTE: Careless adjustments can seriously damage your unit. An authorized service dealer should make carburetor adjustments.
MAINTENANCE AND REP AIR INSTRUCTIONS 22 REPLACING THE SP ARK PLUG Use a Champion RDJ7Y spark plug (or equivalent). The correct air gap is 0.020 inch (0.5 mm.) . Remove the plug after every 50 hours of operation and check its condition. 1. Stop the engine and allow it to cool.
CLEANING AND STORAGE 23 TRANSPORTING • Allow the engine to cool before transporting. • Secure the unit while transporting. • Drain fuel from unit. • Tighten fuel cap before transporting. CLEANING 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.
TROUBLESHOOTING 24 CAUSE ACTION Cutting attachment bound with grass Stop the engine and clean cutting attachment Cutting attachment out of line Refill with new line Inner reel bound up Replace the inn.
SPECIFICA TIONS 25 Engine T ype . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air -Cooled, 2-Cycle Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NOTES 26.
27 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.
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 .
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