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890r
4-Cycle Gas Trimmer/Brushcutter
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 . . . . . . . . . . . . . . . 4-5 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 engine meets U.S. EPA PH1 and 2000 model year and later 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 CHEM
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RULES FOR SAFE OPERATION The purpose of safety symbols is to attract your DANGER: Failure to obey a safety warning attention to possible dangers. The safety symbols, and will result in serious injury to yourself or to their explanations, deserve your careful attention and others. Always follow the safety precautions understanding. The safety warnings do not by to reduce the risk of fire, electric shock, and themselves eliminate any danger. The instructions or personal injury. warnings they give
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RULES FOR SAFE OPERATION • The cutting attachment shield must always be in place WHILE OPERATING WITH CUTTING BLADE while operating the unit. Do not operate unit without • Read and understand all safety warnings before both trimming lines extended, and the proper line operating this unit. installed. Do not extend the trimming line beyond the length of the shield. • Always use the shoulder harness when using the brush blade accessory. • This unit has a clutch. The cutting attachment remains stati
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RULES FOR SAFE OPERATION OTHER SAFETY WARNINGS • Never douse or squirt the unit with water or any other liquid. Keep handles dry, clean and free from debris. • Never store the unit, with fuel in the tank, inside a Clean after each use, see Cleaning and Storage building where fumes may reach an open flame or instructions. spark. • Keep these instructions. Refer to them often and use • Allow the engine to cool before storing or transporting. them to instruct other users. If you loan someone this B
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RULES FOR SAFE OPERATION SYMBOL MEANING • OIL Refer to operator's manual for the proper type of oil. • 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, gear housing or cylinder. You may get burned. These parts get extremely hot from operation. Wh
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RULES FOR SAFE OPERATION Spark Arrestor KNOW YOUR UNIT Spark Plug APPLICATIONS Muffler As a trimmer; • Cutting grass and light weeds. • Edging Muffler Guard • Decorative trimming around trees, fences, etc. As a brushcutter; Fuel Cap • Cutting weeds and light bush of up to 1/2 inch in Starter Rope Grip diameter. Shaft Grip Other optional accessories may be used with the 890r. See list of add-ons on page 15. Throttle Lock-Out On/Off Stop Control Throttle Control J-Handle Clink-Link Blade Shield
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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). 7. Tighten the clamp screws evenly, until the J-handle J-Handle is secure. (4) Screws INSTALLING THE HARNESS WARNING: Always use the shoulder harness when using the cutting blade to avoid serious personal injury. Top Clamp 1. Push th
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ASSEMBLY INSTRUCTIONS REMOVING AND INSTALLING CUTTING ATTACHMENT SHIELD Remove the cutting attachment shield when using the unit as a brushcutter. Output Shaft WARNING: The cutting attachment shield should NOT be installed when operating the Output Shaft unit with a blade. Remove the cutting Bushing attachment shield before removing or installing the blade. Locking Rod Shaft Bushing Hole Locking Remove the cutting attachment shield from the shield Rod Slot mount by removing the three (3) screws
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ASSEMBLY INSTRUCTIONS 4. Center the cutting blade on the pilot step of the • If using a torque wrench and an 5/8 inch socket output shaft bushing (Fig. 11). tighten to; 325 - 335 in•lb, Output Shaft 27 - 28 ft.•lb, 37 -38 N•m. Pilot Step • Without a torque wrench, use a 5/8 inch closed-end or socket wrench, turning the nut until the blade retainer is snug against the shaft bushing. Make sure that the blade is installed correctly, then rotate the nut an Output Shaft additional 1/4 to 1/2 turn co
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ASSEMBLY INSTRUCTIONS 3. While holding the locking rod, loosen the nut on NOTE: The blade retainer must be installed on the the blade by turning it clockwise with a 5/8 inch output shaft in the position shown for the cutting closed-end or socket wrench (Fig. 15). attachment to work correctly. Cutting Attachment Blade Retainer Clockwise Output Shaft Fig. 15 Bushing 4. Remove the nut, blade retainer, and blade. Store the nut and blade together for future use in a secure Locking Rod place. Store ou
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Unleaded Gasoline OIL AND FUEL INFORMATION 4. Pour the entire bottle of oil into the oil fill hole FUELING UNIT (Fig. 19). WARNING: Gasoline is extremely flammable and its vapors can explode if ignited. To avoid serious personal injury, 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 away from the area. 1. Remove fuel cap (Fig. 20). WARNING: Remove fuel cap slowly to avoid injury from gasoline spray. Oil
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STARTING/STOPPING INSTRUCTIONS STARTING INSTRUCTIONS 9. Pull the starter rope 1 to 3 pulls until the engine starts. Run for 15-30 seconds. If the unit fails to start Cold Start - First Start of the Day or Engine Ran Out return to step 7. of Fuel 10. Move the choke lever to the RUN (C) position and WARNING: Operate this unit only in a well run at full throttle for 30 seconds. ventilated area outdoors. Carbon monoxide exhaust fumes can be lethal in a confined WARNING: Avoid accidental starting. Be
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STARTING/STOPPING INSTRUCTIONS STOPPING INSTRUCTIONS 2. To stop the engine, put the Start/Stop Engine Control in the STOP [ ] position (Fig. 21). O 1. Release your hand from the throttle control (Fig. 23). Allow the engine to idle. OPERATING INSTRUCTIONS ® 2. While firmly holding the add-on, push it straight into OPERATING THE CLICK-LINK SYSTEM ® the Click-Link coupler (Fig. 25). ® The Click-Link system enables the use of these NOTE: Aligning the release button with the guide recess optional ad
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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 if and body protection to reduce the risk of 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 WARNING: The blade continues to spin after Decorative trimming is accomplished by removing all the engine is turned off. The coasting blade vegetation around trees, posts, fences, etc. can seriously cut you if accidentally touched. Rotate the whole unit so that the cutting attachment is at • Swing the unit in the same direction as the blade a 30° angle to the ground (Fig. 29). spins, which increases the cutting action. • Move forward to the next area to
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MAINTENANCE AND REPAIR INSTRUCTIONS NOTE: Some maintenance procedures may require WARNING: To prevent serious injury, never special tools or skills. If you are unsure about do maintenance or repairs with unit running. these procedures take your unit to an authorized Always do maintenance and repairs on a service dealer. cool unit. Disconnect spark plug wire to ensure the unit will not start. MAINTENANCE SCHEDULE These required maintenance procedures should be performed at the frequency stated
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MAINTENANCE AND REPAIR INSTRUCTIONS 6. Take approximately 25 feet (7.6 m) of new trimming line, loop it into two equal lengths. Insert each end of the line through one of the two holes in the inner reel (Fig. 35). Pull the line through the inner reel so that the loop is as small as possible. NOTE: Always use the correct line length when installing trimming line on the unit. The line may not release properly if the line is too long. Holding Slots Fig. 37 Fig. 35 7. Wind the lines in tight even la
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MAINTENANCE AND REPAIR INSTRUCTIONS CHECKING THE OIL LEVEL CHANGING THE OIL For a new engine, change the oil after the first 10 hours CAUTION: To prevent extensive engine wear of operation. Change the oil while the engine is still and damage to the unit, always maintain the warm. The oil will flow freely and carry away more proper oil level in the crankcase. Never impurities. operate the unit with the oil level below the bottom of the dipstick. CAUTION: Wear gloves to prevent injury when handl
