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770rEB
2-Cycle Gas Trimmer / Edger / Blower
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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INTRODUCTION TABLE OF CONTENTS I. California Emission Regulations . . . . . . . . . . . . . . . . . 3 THANK YOU 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 Safety Information . . . . . . . . . . . . . . . 4-6 service. You will find it to be a great labor-saving device. B. Safety and International Symbols . . . . . . . . . . . .6-7 This operator’s
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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. California Proposition 65 Warning: WARNING THE ENGINE EXHAUST FROM THIS PRODUCT CONTAINS CHEMICALS KNOWN TO THE STATE OF
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RULES FOR SAFE OPERATION • IMPORTANT SAFETY INFORMATION • • Mix and add fuel in a clean, well-ventilated area READ ALL INSTRUCTIONS outdoors where there are no sparks or flames. Slowly BEFORE OPERATING remove the fuel cap only after stopping engine. Do not • Read the instructions carefully. Be familiar with the smoke while fueling or mixing fuel. Wipe up any spilled controls and proper use of the unit. fuel from the unit immediately. • Do not operate this unit when tired, ill, or under the •
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RULES FOR SAFE OPERATION • Do not touch the engine or muffler. These parts get WHILE OPERATING WITH SWEEPER/BLOWER extremely hot from operation. When turned off they ADD-ON remain hot for a short time. • Inspect the unit before use. Ensure the air intake on sweeper/blower is free of debris. • Do not operate the engine faster than the speed needed to cut, trim or edge. Do not run the engine at • Do not overreach. Always keep proper footing and high speed when not cutting. balance. Take extra ca
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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 • SAFETY ALERT SYMBOL Indicates danger, warning, or caution. May be used in conjunction with other symbols or pictographs. • WARNING - READ OPERATOR'S MANUAL Read the Operator’s Manual(s) and follow all
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RULES FOR SAFE OPERATION SYMBOL MEANING • 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. • SHARP BLADE WARNING: There is a sharp blade on the cutting attachment shield. To prevent serious injury, do not touch blade. • INDICATES OIL Refer to operator's manual for the proper type of oil. • CHOKE CONTROL A • FULL CHOKE position. B • PARTIAL CHOKE position. C • RUN posit
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RULES FOR SAFE OPERATION KNOW YOUR UNIT Fuel Cap APPLICATIONS On/Off Stop Control As a trimmer; Starter Rope Grip • 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 Spark Plug • Cleaning driveways, porches, around walls, fences, etc. Shaft Grip Choke Lever Throttle Control J-handle Handle Hardware Power Head Hanger Primer Bulb Shaft Housing Air filter/Muffler Cover Click
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ASSEMBLY INSTRUCTIONS INSTALLING AND ADJUSTING THE J-HANDLE 6. While holding the unit in the operating position (Fig. 3), position the J-handle to the location 1. Place the J-handle between the top and middle that provides you the best grip. clamp pieces (Fig. 1). J-Handle (4) Screws Top Clamp Middle Clamp Bottom Clamp Nuts Fig. 1 2. While holding the three pieces together, install the four (4) screws through the top clamp and into Fig. 3 middle clamp. NOTE: The holes in the top and middle c
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ASSEMBLY INSTRUCTIONS INSTALLING THE CUTTING ATTACHMENT 3. Install a screw into the hole from the bottom of the SHIELD cutting attachment shield and screw it into the nut installed in step #2 (Fig 6). Do not tighten. 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. 1. Slide the cutting attachment shield into the shield mount on the c
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OIL AND FUEL INFORMATION OIL AND FUEL MIXING INSTRUCTIONS Thoroughly mix the proper ratio of 2-cycle engine oil with unleaded gasoline in a separate fuel can. Use a 32:1 Old and/or improperly mixed fuel are the main reasons fuel/oil ratio. Do not mix them directly in the engine fuel for the unit not running properly. Be sure to use fresh, tank. See the table below for specific gas and oil mixing clean unleaded fuel. Follow the instructions carefully for ratios. the proper fuel/oil mixture. NOTE:
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STARTING/STOPPING INSTRUCTIONS STARTING INSTRUCTIONS 5. With the unit on the ground, squeeze the throttle control and pull starter rope briskly (Fig. 9). Continue WARNING: Avoid accidental starting. Be in pulling until the engine sounds as though it wants to the starting position when pulling the starter run (normally 2 to 5 pulls). rope (Fig. 9). The operator and unit must be NOTE: Squeeze the throttle control until the engine has in a stable position while starting to avoid started and warmed
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OPERATING INSTRUCTIONS OPERATING THE CLICK-LINK® SYSTEM 2. While firmly holding the add-on, push it straight into the Click-Link® coupler (Fig. 11). 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. 11). Blower/Vacuum . . . . . . . . . . . . . . . . . . . . . . . . . . BV720r Cultivator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GC720r Hedge Trimmer . . . . . . . . . . . . . . .
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OPERATING INSTRUCTIONS HOLDING THE TRIMMER Each time the head is bumped, about 1 inch (25.4 mm.) of trimming line is released. A blade in the cutting WARNING: Always wear eye, hearing, foot attachment shield will cut the line to the proper length and body protection to reduce the risk of if excess line is released. injury when operating this unit. For best results, tap the Bump Head™ on bare ground or hard soil. If line release is attempted in tall grass, the Before operating the unit, stand in
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OPERATING INSTRUCTIONS DECORATIVE TRIMMING ADJUSTING EDGER CUTTING DEPTH Decorative trimming is accomplished by removing all 1. Loosen the adjustment knob above the wheel vegetation around trees, posts, fences, etc. (Fig 17). Rotate the whole unit so that the cutting attachment is at 2. Slide the wheel to the desired position. a 30° angle to the ground (Fig. 15). • Raising the wheel increases the cutting depth. • Lowering the wheel decreases the cutting depth. 3. Tighten the adjustment knob sec
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OPERATING INSTRUCTIONS HOLDING THE UNIT WITH SWEEPER/BLOWER OPERATING TIPS WHEN USING ADD-ON SWEEPER/BLOWER • To reduce the risk of hearing loss associated with WARNING: Always wear eye, hearing, foot sound level(s), the use of hearing protection is and body protection to reduce the risk of required. injury when operating this unit. • Operate power equipment only at reasonable hours – Before operating the unit, stand in the operating position not early in the morning or late at night when people
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MAINTENANCE AND REPAIR INSTRUCTIONS NOTE: Some maintenance procedures may require WARNING: To prevent serious personal special tools or skills. If you are unsure about injury, never do maintenance or repairs with these procedures take your unit to an authorized unit running. Always do maintenance and service dealer. repairs on a cool unit. Disconnect spark plug wire to ensure the unit will not start. MAINTENANCE SCHEDULE These required maintenance procedures should be performed at the frequen
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MAINTENANCE AND REPAIR INSTRUCTIONS 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. Indexing Teeth Fig. 26 8. Insert the ends of the line into the two holding slots (Fig. 27). Fig. 24 6. Take approximately 25 feet (7.6 m) of new 0.080 inch diameter trimming line, loop it into two equal lengths. In
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MAINTENANCE AND REPAIR INSTRUCTIONS INSTALLING A PREWOUND REEL 3. Install the new blade, blade retainer, and nut (Fig. 31). Insert the locking rod through the slot into 1. Hold the outer spool with one hand and unscrew the the output shaft hole. Make sure that the blade stays Bump Knob™ counterclockwise (Fig. 21, Pg 17). flat and centered against the output shaft while Inspect the bolt inside the Bump Knob™ to make tightening the lock nut counterclockwise (Fig. 32). sure it moves freely. Repla
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MAINTENANCE AND REPAIR INSTRUCTIONS AIR FILTER MAINTENANCE Removing the Air Filter/Muffler Cover 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. Place the choke lever in the PARTIAL choke Air Filter position (B). NOTE: The choke lever must be in the PARTIAL choke position (B) (Fig. 33) to remove the air filter/muffler cover. 2. Remove the four (4) screws securing the air Fig. 34 filter/muffler cover (
