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768r
Flail Head 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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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 Safty Information . . . . . . . . . . . . . . . . 4-5 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 The purpose of safety symbols is to attract your atten- DANGER: Failure to obey a safety warning tion to possible dangers. The safety symbols, and their will result in serious injury to yourself or to explanations, deserve your careful attention and others. Always follow the safety precautions understanding. The safety warnings do not by them- to reduce the risk of fire, electric shock, and selves eliminate any danger. The instructions or personal injury. warnings they g
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RULES FOR SAFE OPERATION • This unit has a clutch. The cutting attachment FLAIL HEAD SAFETY remains stationary when the engine is idling. If it • Be certain that the Flail Head is assembled correctly does not, have the unit adjusted by an authorized and properly mounted on the machine. See service technician. Assembly Instructions. • Adjust the D handle to provide the best grip. • Keep the D handle between the operator and Flail • Be sure the cutting attachment is not in contact with Head at all
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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 Failure to follow operating instru
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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 • ON/OFF STOP CONTROL OFF OR STOP • 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 WARN
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RULES FOR SAFE OPERATION KNOW YOUR UNIT Gas Cap APPLICATIONS On / Off Stop Control As a trimmer; • Cutting grass and light weeds. Starter Rope Grip • Edging • Decorative trimming around trees, fences, etc. With Flailhead; • Cutting weeds and light brush of up to 1/2 Handgrip inch in diameter. Support Fitting D-Handle Throttle Control Choke Lever Air filter/muffler cover Shaft Housing Cutting Attachment Shield Primer Bulb Spark Plug Cutting Attachment Line Cutting Blade Flail Head Assembly 8
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ASSEMBLY INSTRUCTIONS ASSEMBLING THE FLAIL HEAD INSTALLING THE HARNESS Flail Head Parts WARNING: To avoid serious personal injury, Flail Blades never attempt to start the unit when standing and the unit clipped to the shoulder strap. Always follow the starting procedures as described in the Operation section. Flail Head Top 1. Push the strap through the center of the buckle. 2. Pull the strap over the cross bar and down through the slot in the buckle (Fig. 1). Buckle 3 Pivot Pins Pin Guides Flai
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ASSEMBLY INSTRUCTIONS 3. Press the Flail Head Bottom on by matching the pin REMOVING THE CUTTING ATTACHMENT guides with the Pivot Pins (Fig. 7). 1. Align the shaft bushing hole with the locking rod slot Flail Head Bottom and insert the locking rod into the shaft bushing hole (Fig. 9). 2. While holding the locking rod, remove the cutting attachment by turning it counterclockwise off of the output shaft (Fig. 9). Store the cutting attachment for future use. Cutting Attachment Pivot Pins Pin Guides
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ASSEMBLY INSTRUCTIONS 2. Align the blade driver hole with the locking rod slot INSTALLING THE CUTTING ATTACHMENT and insert the locking rod into the blade driver hole NOTE: To make installing or removing the cutting (Fig. 11). attachment easier, place the unit on the ground Cutting Attachment Shield or on a work bench. Locking Rod WARNING: The gear housing gets hot with Locking Rod Slot use and can result in injury to the operator. When the unit is turned off it remains hot for a short time. Do
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OIL AND FUEL INFORMATION Thoroughly mix the proper ratio of 2-cycle OIL AND FUEL MIXING INSTRUCTIONS engine oil with unleaded gasoline in a Old and/or improperly mixed fuel are the main rea- separate fuel can. Use a 32:1 fuel/oil ratio. Do sons for the unit not running properly. Be sure to not mix them directly in the engine fuel tank. See the use fresh, clean unleaded fuel. Follow the instruc- table below for specific gas and oil mixing ratios. tions carefully for the proper fuel/oil mixture.
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STARTING/STOPPING INSTRUCTIONS 5. With the unit on the ground, squeeze the throttle STARTING INSTRUCTIONS control and hold. Pull starter rope briskly (Fig. 16). WARNING: Avoid accidental starting. Be in Continue pulling until the engine sounds as though it the starting position when pulling the starter wants to run (normally 2 to 5 pulls). rope (Fig. 16). 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
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OPERATING INSTRUCTIONS Each time the head is bumped, about 1 in (25.4 mm.) of HOLDING THE TRIMMER trimming line is released. A blade in the cutting attach- WARNING: Always wear eye, hearing, foot ment shield will cut the line to the proper length if excess and body protection to reduce the risk of line is released. For best results, tap the Bump Head™ injury when operating this unit. on bare ground or hard soil. If line release is attempted in tall grass, the engine may stall. Always keep the B
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OPERATING INSTRUCTIONS DECORATIVE TRIMMING OPERATING THE FLAIL HEAD Decorative trimming is accomplished by removing all Your unit can be equipped with a Flail Head that is better vegetation around trees, posts, fences, etc. suited for use on thick grass and weeds (Fig. 20). Rotate the whole unit so that the cutting attachment is at a 30° angle to the ground (Fig. 19). Fig. 20 Before operating the unit with the Flail Head stand in the Fig. 19 operating position (Figs. 20). Refer to Holding the Tr
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MAINTENANCE AND REPAIR INSTRUCTIONS 4. Use a clean cloth to clean the the inner reel, spring, LINE INSTALLATION shaft, and inner surface of the outer spool (Fig. 23). 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. There are two methods to replace the trimming line. • Wind the inner reel with new line • Install
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MAINTENANCE AND REPAIR INSTRUCTIONS 9. Place the spring in the inner reel. Insert the ends of the line through the eyelets in the outer spool and place inner reel inside the outer spool (Fig. 28). Push the inner reel and outer spool toghther. While holding the inner reel and outer spool, grasp the ends and pull firmly to release the line from the holding slots in the spool. NOTE: The spring must be assembled on the inner reel before reassembling the cutting attachment. Fig. 25 7. Wind the lines
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MAINTENANCE AND REPAIR INSTRUCTIONS 2. Remove the air filter from behind the air filter/muffler AIR FILTER MAINTENANCE cover. (Fig. 29). 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 position (B). NOTE: The choke lever must be in the PARTIAL choke position (B) (Fig. 28) to remove the Air Filter air filter/muffler cover. 2
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MAINTENANCE AND REPAIR INSTRUCTIONS 5. Squeeze the filter to spread and remove excess oil Adjust Idle Speed Screw (Fig. 32). WARNING: The cutting attachment may be spinning during idle speed adjustment. Wear protective clothing and observe all safety instructions to prevent serious personal injury. If after checking the fuel mixture and cleaning the air fil- ter the engine still will not idle, adjust the idle speed screw as follows. 1. Start the engine and let it run at a high idle for a minute
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MAINTENANCE AND REPAIR INSTRUCTIONS REPLACING THE SPARK PLUG CAUTION: Do not sand blast, scrape, or clean electrodes. Grit in the engine could Use a Champion RDJ7Y spark plug (or equivalent). The damage the cylinder. correct air gap is 0.020 in. (0.5 mm.). Remove the plug after every 50 hours of operation to check its condition. 4. Install a correctly gaped spark plug in the cylinder 1. Stop the engine and allow it to cool. Grasp the plug head. Tighten by turning the 5/8 in. socket clockwise wir
