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Ryobi Outdoor Trimmer User's Manual
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1. Fig 18 2 Remove the air filter Fig 19 16 3 Wash the filter in detergent and water Fig 20 Rinse the filter thoroughly and allow it to dry lt Fig 20 4 Apply enough clean motor oil to lightly coat the filter Fig 21 Fig 21 5 Squeeze the filter to spread and remove excess oil Fig 22 Fig 22 6 Reinstall the filter Fig 19 and air filter cover Fig 18 MAINTENANCE AND REPAIR INSTRUCTIONS CARBURETOR ADJUSTMENT The idle speed of the engine is adjustable though the Air filter muffler cover Fig 23 NOTE Careless adjustments can seriously damage your unit An authorized service dealer should make carburetor adjustments Check Fuel Mixture Old and or improperly mixed fuel is usually the reason for the unit not running properly Drain and refill the tank with fresh properly mixed fuel prior to making any adjustments Refer to Oil and Fuel Information Pg 9 Clean Air Filter The condition of the air filter is important to the operation of the unit A dirty air filter will restrict air flow and chan
2. Fig 11 2 Remove the inner reel from the outer spool Fig 11 3 Remove spring from the inner reel Fig 11 NOTE An inner reel spring Part 610636 can be purchased from your local authorized dealer 4 Use a clean cloth to clean the the inner reel spring shaft and inner surface of the outer spool Fig 12 14 5 Check the indexing teeth on the innerreel and outer spool for wear Fig 13 If necessary remove burrs or replace the reel and spool NOTE A cutting attachment outer spool Part 147494 can be purchased from your local authorized dealer Indexing Teeth Fig 13 6 Take approximately 25 feet 7 6 m of new 0 095 inch diameter 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 14 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 MAINTENANCE AND REPAIR INSTRUCTIONS 7 Wind the lines in tight even layers onto the reel 9 Place the spring in the inner reel insert the ends of Fig 15 Wind the line in the direction indicated on the line through the eyelets in the outer spool and the inner reel Place your index finger between the place inner reel inside the outer spool Fig 17 Push two lines to stop the
3. 11 Ibs 4 9 kg Cutting Mechanism Suec hi oh bs salua RE Reto V Te DR Ard Se eRe Dual String Cutting Head Line Spool Diameter segrest Ren TEL edle ees eh ae Pu Deed kx 4 in 101 6 mm Trimming Line Diameter 0 0 0 002 ce hr hn 0 095 in 2 41 mm Cutting Path Diameter Cutting Attachment 00 0200022 ee eee 18 in 44 21 NOTES CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS 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 ROP must warrant the emission control system on your small off road engine for the periods of time listed below provid ed there has been no abuse neglect or improper maintenance of your small off road engine Your emission control system may include parts such as the carburetor or fuel injection system the ignition system and catalytic converter Also included may be hoses belts connectors and other emission related assemblies Where a warrantable condition exists ROP will repair your small off road engine at no cost to you including diagnosis parts and labor The 1995 and later small off road engines are warranted for two years If any emission related part on your engi
4. 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 covered areas be equipped with a spark arrestor maintained in effective working order or the engine be constructed equipped and maintained for the prevention of fire Check with your state or local authorities for regulations pertaining to these requirements Failure to follow these requirements could subject you to liability or a fine This unit is factory equipped with a spark arrestor If it requires replacement ask your LOCAL SERVICE dealer to install the Accessory Part 181696 Spark Arrestor Kit FOR QUESTIONS CALL 1 800 345 8746 IN U S OR 1 800 265 6778 in CANADA WARNING Read the Operator s Manual s and follow all warnings and safety instructions Failure to do so can result in serious injury to the operator and or bystanders REPRODUCTIVE HARM RULES FOR SAFE OPERATION The purpose of safety symbols is to attract your atten tion to possible dangers The safety symbols and their explanations deserve your careful attention and understanding The safety warnings do not by them selves eliminate any danger The instructions or warnings they give are not substitutes for proper acci dent prevention measures SYMBOL MEANING SAFETY ALERT SYMBOL Indicates dan ger warning or caution Attention is required in
5. Blended Fuels Today s fuels are often a blend of gasoline and oxygenates such as ethanol methanol or MTBE ether Alcohol blended fuel absorbs water As little as 1 water in the fuel can make fuel and oil separate It forms acids when stored When using alcohol blended fuel use fresh fuel less than 60 days old Using Blended Fuels if you choose to use a blended fuel or its use is unavoidable follow recommended precautions e Always use fresh fuel mix per your operator s manual e Use the fuel additive STA BIL or an equivalent e Always agitate the fuel mix before fueling the unit e Drain the tank and run the engine dry before storing the unit Using Fuel Additives The use of fuel additives such as STA BIL Gas Stabilizer or an equivalent will inhibit corrosion and minimize the formation of gum deposits Using a fuel additive can keep fuel from forming harmful deposits in the carburetor for up to six 6 months Add 0 8 oz 23 ml of fuel additive per gallon of fuel according to the instructions on the container NEVER add fuel additives directly to the unit s fuel tank Thoroughly mix the proper ratio of RYOBI mar 2 cycle engine oil with unleaded gasoline in a separate fuel can Use a 32 1 fuel oil ratio Do not mix thern directly in the engine fuel tank See the table below for specific gas and oil mixing ratios NOTE One gallon 3 8 liters of unleaded gasoline mixed with one 4 oz 120 ml bottle
6. CAUTION The cutting attachment and add ons with the Click Link system are to be used in the primary hole unless stated otherwise in the specific add ons operator s manual Using the wrong hole could lead to personal injury or damage to the unit NOTE For edging with Click Link models lock the release button of the cutting attachment into the 90 edging hole or the 180 edging hole Fig 6 11 OPERATING INSTRUCTIONS HOLDING THE TRIMMER WARNING Always wear eye hearing foot and body protection to reduce the risk of injury when operating this unit Before operating the unit stand in the operating position Fig 7 Check for the following The operator is wearing eye protection and proper clothing The right arm is slightly bent and the hand is holding the shaft grip The left arm is straight and the hand is holding the handle e The unit is below waist level The cutting attachment is parallel to the ground and easily contacts the vegitation to be cut without the operator having to bend over ADJUSTING TRIMMING LINE LENGTH The Bump Head cutting attachment allows you to release trimming line without stopping the engine To release more line lightly tap the cutting attachment on the ground Fig 9 while operating the trimmer at high speed NOTE Always keep the trimming line fully extended Line release becomes more difficult as cutting line becomes
7. Fig 3 The operator and unit must be in a stable position while starting to avoid serious personal injury NOTE When using the shoulder harness have it on and adjusted but not clipped to the support fitting prior to starting unit 1 Mix gas with oil Fill fuel tank with fuel oil mixture See Oil and Fuel Mixing Instructions on Pg 9 2 Put the Start Stop Engine Control in the START position Fig 1 Start Stop Control Fig 1 3 Fully press and release primer bulb slowly 5 to 7 times Fuel should be felt and visible in the bulb Fig 2 If fuel hasn t entered the bulb press three more times or until it does 4 Place the choke lever in the START position A Fig 2 Choke Lever Run B Start A Primer Bulb 10 5 With the unit on the ground squeeze the throttle control and hold Pull starter rope briskly Fig 3 Continue pulling until the engine sounds as though it wants to run normally 2 to 5 pulls NOTE Squeeze the throttle control until the engine has started and warmed up 6 Place the choke lever in the RUN position B Fig 2 7 Pull starter rope briskly 1 to 3 times to start the engine Fig 3 Starter Rope 0 2 Pai Throttle Control Fig 3 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 B Squeeze the thr
8. The cutting attachment may be spinning during carburetor adjustments Wear your protective equipment and observe all safety instructions For units equipped with a clutch be sure the cutting attachment stops turning when the engine idles When the unit is turned off make sure the cutting attachment has stopped before the unit is set down Adjust the D handle to provide the best grip Be sure the cutting attachment is not in contact with anything before starting the unit Use the unit only in daylight or good artificial light Avoid accidental starting Be in the starting position whenever pulling the starter rope The operator and unit must be in a stable position while starting See Starting Stopping Instructions Use the right tool Only use this tool for the purpose intended Do not overreach Always keep proper footing and balance Always hold the unit with both hands when operating Keep a firm grip on both the front and rear handle or grips Keep hands face and feet at a distance from all moving parts Do not touch or try to stop the cutting attachment when it is rotating 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 Always stop the engine when cutting is delayed or when walking from one cutting loc
9. order to avoid serious personal injury May be used in conjunction with other symbols or pictographs NOTE Advises you of information or instructions vital to the operation or maintenance of the equipment 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 fire electric shock and personal injury WARNING Failure to obey a safety warning can result in injury to yourself and others Always follow the safety precautions to reduce the risk of fire electric shock and personal injury CAUTION Failure to obey a safety warning may result in property damage or personal injury to yourself or to others Always follow the safety precautions to reduce the risk of fire electric shock and personal injury IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE OPERATING e 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 Children and teens under the age of 15 must not use the unit except for teens guided by an adult e Inspect the unit before use Replace damaged parts Check for fuel leaks Make sure all fasteners are in place and secure Replace cutting attachment parts that are cracked chipped or damaged in any way Make sure the cutting attachment is properly inst
10. shorter Fig 7 ADJUSTING THE D HANDLE if the D handle is not adjusted to provide you with a comfortable operation position 1 Loosen the four 4 screws with a Phillips screwdriver Fig 8 2 Position the D handle forward or backward to the location that will provide you the best grip 3 Tighten the screws securely D Handle 4 nc Fig 8 Fig 9 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 If line release is attempted in tall grass the engine may stall Always keep the trimming line fully extended Line release becomes more difficult as the cutting line becomes shorter NOTE Do not rest the Bump Head on the ground while operating CAUTION Do not remove or alter the line cutting blade assembly Excessive line length will make the clutch overheat This may lead to serious personal injury or damage to the unit 12 Some line breakage will occur from Entanglement with foreign matter Normal line fatigue Attempting to cut thick stalky weeds Forcing the line into objects such as walls or fence OPERATING INSTRUCTIONS TIPS FOR BEST TRIMMING RESULTS e Keep the cutting attachment parallel to the ground e Do not force the cutting attachme
11. OPERATOR S MANUAL FOR QUESTIONS CALL 1 800 345 8746 in U S or 1 800 265 6778 in CANADA www ryobi com ee IMPORTANT MANUAL DO NOT THROW AWAY INTRODUCTION TABLE OF CONTENTS 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 instructions to keep your new outdoor power tool in top operating condition The other manual that came with your power tool the parts manual contains all the information that you need to order parts PRODUCT REFERENCES ILLUSTRATIONS AND SPECIFICATIONS All information illustrations and specifications in this manual are based on the latest product information available at the time of printing We reserve the right to make changes at any time without notice Copyright 1998 Ryobi Outdoor Products Inc All Rights Reserved Click Link is a registered trademark of Ryobi Outdoor Products Bump Head is a trademark of Ryobi Outdoor Products SERVICE INFORMATION Service on this unit both within and after the warranty period should be performed only by an authorized and approved service dealer Dial 1 800 345 8746 in the United States or 1 800 265 6778 in Canada to obtain the listing of the authorized ser
12. TS 2 Cycle Oll 2 222 einem apie Deeg Che 147543 Spark Plug 181765 Replacement Line 612454 Replacement Line Cartridge 147345 Inner Reel Spring 610636 Bump Head Knob Assembly 180814 Euel Cap sud fe Oat bon er Rules ss 180000 The 2079r trimmer is convertible to a brushcutter with the optional Brush Blade Kit The kit contains all the necessary parts to safely convert the trimmer to brushcutter capability NOTE A Brush Blade Kit Part 300026 can be purchased from your local authorized dealer CLEANING AND STORAGE CLEANING cool before you clean or do any maintenance WARNING To avoid serious personal injury always turn your trimmer off and allow it to on it Use a small brush to clean off the outside of the unit Do not use strong detergents Household cleaners that contain aromatic oils such as pine and lemon and such as kerosene can damage plastic housing or handle Wipe off any moisture with a soft cloth STORAGE e Never store the unit with gasoline in the tank where fumes may reach an open flame or spark Allow the engine to cool before storing e Store the unit locked up to prevent unauthorized use or damage Store the unit in a dry well ventilated area e Store the unit out of the reach of children LONG TERM STORAGE If the unit will be stored for an extended time 1 Drai
13. ale of any RYOBI Product Proof of purchase will be required by the dealer to substantiate any warranty claim All warranty work must be performed by an authorized RYOBI service dealer This warranty is limited to ninety 90 days from the date of original retail purchase for any RYOBI Product that is used for rental or commercial purposes or any other income producing purpose This warranty does not cover any RYOBI Product that has been subject to misuse neglect negligence or accident or that has been operated in any way contrary to the operating instructions as specified in the RYOBI Operator s Manual This warranty does not apply to any damage to the RYOBI Product that is the result of improper maintenance or to any RYOBI Product that has been altered or modified so as to adversely affect the product s operation performance or durability or that has been altered or modified so as to change its intended use The warranty does not extend to repairs made necessary by normal wear or by the use of parts or accessories which are either incompatible with the RYOBI Product or adversely affect its operation performance or durability In addition this warranty does not cover A Tune ups Spark Plugs Carburetor Adjustments Filters B Wear items Bump Knobs Outer Spools Cutting Line Inner Reels Starter Pulley Starter Ropes Drive Belts RYOBI reserves the right to change or improve the design of any RYOBI Product without assu
14. alled and securely fastened Be sure the cutting attachment shield is properly attached and positioned as recommended Failure to so can result in personal injury to the operator and bystanders as well as damage to the unit e Use only 0 095 inch 2 41 mm diameter genuine Ryobi replacement line Never use metal reinforced line wire or rope etc These can break off and become a dangerous projectile Be aware of the risk of injury to the head hands and feet e Clear the area to be cut before each use Remove all objects such as rocks broken glass nails wire or string which can be thrown or become entangled in the cutting attachment Clear the area of children bystanders and pets At a minimum keep all children bystanders and pets outside a 50 ft 15 m radius there still may be a risk to bystanders from thrown objects Bystanders should be encouraged to wear eye protection If you are approached stop the engine and cutting attachment immediately Squeeze the throttle control and check that it returns automatically to the neutral position Make all adjustments or repairs before using unit SAFETY WARNINGS FOR GAS TRIMMERS WARNING Gasoline is highly flammable and its vapors can explode if ignited Take the following precautions Store fuel only in containers specifically designed and approved for the storage of such materials Avoid creating a source of ignition for spilled fuel Do not start t
15. ation to another If you strike or become entangled with a foreign object stop the engine immediately and check for damage Do not operate before repairing damage Do not operate the unit with loose or damaged parts Stop and switch the engine to off for maintenance repair or for changing the cutting attachment or other attachments Use only genuine Ryobi replacement parts when servicing this unit These parts are available from your authorized service dealer Do not use parts accessories or attachments not authorized by Ryobi for this unit Doing so could lead to serious injury to the user or damage to the unit and void your warranty Keep unit clean of vegetation and other materials They may become lodged between the cutting attachment and shield To reduce fire hazard replace faulty muffler and spark arrestor keep the engine and muffler free from grass leaves excessive grease or carbon build up Wear heavy long pants boots and gloves Do not wear loose clothing jewelry short pants sandals or go barefoot Secure hair above shoulder level OTHER SAFETY WARNINGS Never store the unit with fuel in the tank inside a building where fumes may reach an open flame or spark Allow the engine to cool before storing or transporting Be sure to secure the unit while transporting Store the unit in a locked up and dry or high and dry place to prevent unauthorized use or damage Keep out of the reach of children N
16. buretor Adjustment 17 F Replacing the Spark Plug 18 G Accessories Replacement parts 18 Vil Cleaning and Storage 19 Troubleshooting Chart 20 IX Specifications 21 X Warranty coscc sensio eskaerea tra E xr ape 23 24 CONTENTS OF CARTON This carton should include the following Model 2079r Trimmer Operator s Manual Parts Manual Product Registration Card Bottle of 2 Cycle Oil 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 RYOBI IMPORTANT ENGINE INFORMATION THIS ENGINE CONFORMS TO US EPA PH1 AND 1995 1998 CALIFORNIA EMISSION REGULATIONS FOR ULGE ENGINES ENGINE FAMILY VKZ023UB24RA EM ENGINE DISPLACEMENT 22 5 cc REFER TO OWNER S MANUAL FOR MAINTENANCE SPECIFICATION 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 A WARNING THE ENGINE EXHAUST FROM THIS PRODUCT CONTAINS CHEMICALS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER BIRTH DEFECTS SPARK ARRESTOR NOTE For users on U S Forest Land and in the states of California Maine Oregon and Washington
17. d at no charge to the owner at an Authorized Ryobi Service Center For the nearest location please contact Ryobi at 1 800 345 8748 Any warranted part which is not scheduled for replacement as required maintenance which is scheduled only for regular inspection to the effect of Repair or replace as necessary is warranted for the warranty period Any warranted part which is scheduled for replacement as required maintenance will be warranted for the period of time up to the first scheduled replacement point for that part The owner will not be charged for diagnostic labor which leads to the determination that a warranted part is defective if the diagnostic work is performed at an Authorized Ryobi Service Center The manufacturer is liable for damages to other engine components caused by the failure of a warranted part still under warranty Failures caused by abuse neglect or improper maintenance are not covered under warranty The use of add on or modified parts can be grounds for disallowing a warranty claim The manufacturer is not liable to cover failures or warranted parts caused by the use of add on or modified parts in order to file a claim go to your nearest Authorized Ryobi Service Center Warranty services or repairs will be provided at all Authorized Ryobi Service Centers Any manufacturer approved replacement part may be used in the performance of any warranty maintenance or repair of emission related parts and
18. d you may also have other rights which vary from state to state This warranty applies to all RYOBI Products manufactured by RYOBI and sold in the United States and Canada To locate your nearest service dealer dial 1 800 345 8746 in the United States or 1 800 265 6778 in Canada RYOBI RYOBI OUTDOOR PRODUCTS 550 N 54th Street Chandler AZ 85226 U S A RYOBI CANADA INC 275 Industrial Rd Cambridge Ontario NTR 6K2 CANADA SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE FOR QUESTIONS CALL 1 800 345 8746 IN U S OR 1 800 265 6778 IN CANADA OPERATOR S MANUAL PART NO 182218 PRINTED IN U S A REV A 7869 11 98
19. e BD Duel Sepia ti GE ee Air Cooled 2 Cycle es outs Eta Gals Puce acne baad tee 1 25 in 31 75 mm Displacement 2 2 Steed Boe ee be Ie ee eee eee es ete oi dns 1 4 cu in 22 5 cc Typ P rm Centrifugal Operating HPM frimmer iiu ada ERREUR PEERS 6 500 9 000 rpm Idle Speed RPM amp 13 E idoneo a t d aeu wedge C edP i dne carent Da 2 400 3 400 rpm lene rrr Electronic Ignition Re EU IUE neue IRSE Nau ua EA Toggle Switch Spark Plug Gap is esen BO a Re xe m e qd ie Led 0 025 in 0 655 mm Bil Dr Fuel Oil Mixture Fuel OIl Ratios ck ELI ab belch Oe eere MENS ERE 32 1 n EA UM DIS LM Ee E rg ati Diaphragm All Position cc M LC Er c Auto Rewind Mufflot russa DUE EEN OE Sa WEE S RE E PE Baffled with Guard Puoi PUDE Manual Spring Return Fuel Tank Capacity 5 einen aci Re tha RERO RM AIR epar bab Os ee ae 20 oz 591 ml di MC cs Dn HD Polyethylene Drive Shaft HOUSING eR Een oh RE E IR UR Re en eee UE ANE RR RR RARO E Aluminum Tube Throttle Control 522i os SS Lux dee er us ed dee ete ERES Finger Tip Trigger Unit Weight No fuel with cutting attachment cutting attachment shield and D handle
20. e from the holding slots in the spool 7 Hold the inner reel in place and install the Bump Knob by turning clockwise Tighten securely 15 MAINTENANCE AND REPAIR INSTRUCTIONS AIR FILTER MAINTENANCE Clean and re oil the air filter every 10 hours of operation NOTE Operating the unit without the air filter and air filter muffler cover assembly will VOID the warranty 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 Remove the carburetor air filter cover by pushing on the tab on top of the cover Fig 18 Carburetor Air Filter Cover Tab 2
21. ever douse or squirt the unit with water or any other liquid Keep handles dry clean and free from debris Clean after each use see Cleaning and Storage instructions Keep these instructions Refer to them often and use them to instruct other users If you loan someone this unit also loan them these instructions WARNING To avoid serious personal injury do not install a blade on this unit as configured Brushcutter Kit 300026 is available to convert this model into a trimmer brushcutter SAVE THESE INSTRUCTION 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 before starting or operating this unit Failure to follow operating instructions and safety precautions in the operator s manual can resuit in serious injury to the operator and or bystanders FOR SERVICE INFORMATION CALL USA 1 800 345 8746 CANADA 1 800 265 6778 WEAR EYE AND HEARING PROTECTION WARNING Wear safety glasses or goggles that are marked as meeting ANSI Z87 1 1989 standards and ear hearing protecti
22. filter ACTION Turn switch to ON Fill fuel tank Press primer bulb fully and slowly 5 7 times Use starting procedure with choke lever in the RUN position Pg 10 Drain fuel tank Add fresh fuel mixture Replace or clean the spark plug ACTION Replace or clean the air filter Drain gas tank Add fresh fuel mixture Adjust per instruction Pg 17 ACTION Drain gas tank Add fresh fuel mixture Take to an authorized service dealer for carburetor adjustment Stop the engine and clean the cutting attachment Clean or replace the air filter ENGINE LACKS POWER OR STALLS WHEN CUTTING CAUSE Old or improperly mixed fuel Improper carburetor adjustment ACTION Drain gas tank Add fresh fuel mixture Take to an authorized service dealer for carburetor adjustment CUTTING ATTACHMENT WILL NOT ADVANCE LINE CAUSE Cutting head bound with grass Cutting head out of line inner reel bound up Cutting head dirty Line welded Line twisted when refilled Not enough line is exposed ACTION Stop the engine and clean cutting attachment Refill with new line Replace the inner reel Clean inner reel and outer spool Disassemble remove the welded section and rewind the line Disassemble and rewind the line Push the Bump Knob and pull out line until 4 in 102 mm of line is outside of the cutting attachment If further assistance is required contact your authorized service dealer 20 SPECIFICATIONS ENGINS IVP cox cts ee e
23. ge the air fuel mixture This is often mistaken for an out of adjustment carburetor Check the condition of the air filter before adjusting the idle speed screw Refer to Air Filter Maintenance Adjust Idie Speed Screw NOTE The cutting attachment should not rotate when the engine idles 3 ifthe cutting attachment rotates when the engine idles turn the idle speed screw counterclockwise 1 8 of a turn at a time as needed to reduce idle speed Checking the fuel mixture cleaning the air filter and adjusting the idle speed screw should solve most engine problems If not and The engine will not idle The engine hesitates or stalls on acceleration There is a loss of engine power have the carburetor adjusted by an authorized service dealer sure the cutting attachment has stopped WARNING When the unit is turned off make before the unit is set down to prevent serious personal injury your protective equipment and observe all safety instructions For units equipped with a clutch be sure the cutting attachment stops turning when the engine idles When the unit is turned off make sure the cutting attachment has stopped before the unit is set downif after checking the fuel mixture and cleaning the air filter the engine still will not idle adjust the idle speed screw as follows WARNING The cutting attachment may be spinning during carburetor adjustments Wear 1 Start the engine and
24. he engine until fuel vapors dissipate Always stop the engine and allow it to cool before filling the fuel tank Never remove the cap of the fuel tank or add fuel when the engine is hot Never operate the unit without the fuel cap securely in place Loosen the fuel tank cap slowly to relieve any pressure in the tank e Mix and add fuel in a clean well ventilated area outdoors where there are no sparks or flames Slowly remove the fuel cap only after stopping engine Do not smoke while fueling or mixing fuel Wipe up any spilled fuel from the unit immediately Move the unit at least 30 ft 9 1 m from the fueling source and site before starting the engine Do not smoke keep sparks and open flames from the area while adding fuel or operating the unit WHILE OPERATING Never start or run the unit inside a closed room or building Breathing exhaust fumes can kill Operate this unit only in a well ventilated area outdoors Wear safety glasses or goggles that are marked as meeting ANSI Z87 1 1989 standards and ear hearing protection when operating this unit Wear a face or dust mask if the operation is dusty Long sleeve shirts are recommended The cutting attachment shield must always be in place while operating the unit as a trimmer Do not operate unit without both trimming lines extended and the proper line installed Do not extend the trimming line beyond the length of the shield RULES FOR SAFE OPERATION
25. immer brushcutter WARNING The operation of any power tool can cause foreign objects to be thrown into your eyes This can lead to severe eye damage Before commencing power tool operation always wear safety Pane glasses or goggles that are marked as meeting ANSI Z87 1 1989 standards and a full face shield FORESIGHT 8 BETTER when needed RULES FOR SAFE OPERATION KNOW YOUR UNIT ce Serm Rope Grip APPLICATIONS As a trimmer Gas Cap Cutting grass and light weeds Spark Plug Edging gs wu Decorative trimming around trees fences etc With optional brushcutter kit Ip e Cutting weeds and light bush of up to 1 2 inch in diameter Handgrip Other optional accessories may be used with the 2079r See list of add ons on page 11 Throttle Control Air Filter Cover Start Stop Control Clink Link Shaft Housing Choke Lever Primer Bulb Gear Housing Cutting Attachment Shield wt Line Cutting Blade Cutting Attachment OIL AND FUEL INFORMATION OIL AND FUEL MIXING INSTRUCTIONS Old and or improperly mixed fuel is usually the main reasons for the unit not running properly Be sure to use fresh clean unleaded fuel Follow the instructions carefully for the proper fuel oil mixture Definition of
26. le firmly holding the upper shaft housing pull the cutting attachment or add on straight out of the Click Link coupler Fig 4 installing the Cutting Attachment or Add Ons WARNING To avoid serious personal injury and damage to the unit shut unit off before removing or installing add ons NOTE To make installing or removing the add on easier place the unit on the ground or on a work bench 1 Turn knob counterclockwise to loosen Fig 4 Click Link Coupler Release Button Guide Recess Fig 4 2 While firmly holding the add on push it straight into the Click Link coupler Fig 5 NOTE Aligning the release button with the guide recess will help installation Fig 5 Release Button gt _Click Link Coupler Primary Hole Upper Shaft Housing Lower Shaft Housing Fig 5 3 Turn the knob clockwise to tighten Fig 6 CAUTION Lock the release button in the primary hole and securely tighten the knob before operating this unit 90 Edging Hole 180 Edging Hole Knob Fig 6
27. let it run at a high idle for a minute to warm up 2 Release the throttle trigger and let the engine idle if the engine stops turn the idle speed screw in clockwise with a small phillips or flat blade screwdriver 1 8 of a turn at a time as needed until the engine idles smoothly Fig 23 Idle Speed Screw Fig 23 17 MAINTENANCE AND REPAIR INSTRUCTIONS REPLACING THE SPARK PLUG Use a Champion RCJ6Y spark plug or equivalent The correct air gap is 0 025 in 0 655 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 puil the cap from the spark plug 2 Clean dirt from around the spark plug Remove the spark plug from the cylinder head by turning a 5 8 in socket counterclockwise Note Replace cracked fouled or dirty spark plug 3 Set the air gap at 0 025 in 0 655 mm using a feeler gauge Fig 24 CAUTION Do not sand blast scrape or clean electrodes Grit in the engine could damage the cylinder 0 025 in 0 655 mm 3 Fig 24 4 install a correctly gaped spark plug in the cylinder head Tighten by turning the 5 8 in socket clockwise until snug If using a torque wrench torque to 110 120 in elb 12 3 13 5 Nem Do not over tighten 18 ACCESSORIES REPLACEMENT PAR
28. lines from overlapping Do not the inner reel and outer spool together While holding overlap the ends of the line the inner reel and outer spool grasp the ends and NOTE Failure to wind the line in the direction indicated pull firmly to release the line trom the holding slots In will cause the cutting attachment to operate the spool incorrectly NOTE The spring must be assembled on the inner reel before reassembling the cutting attachment Fig 15 8 Insert the ends of the line into the two holding slots Fig 17 and cut to the same length Fig 16 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 11 Inspect the bolt inside the Bump Knob to make sure it moves freely Replace the Bump Knob if damaged 2 Remove the old inner reel from the outer spool Fig 11 3 Remove the spring from the old inner reel Fig 11 4 Place the spring in the new inner reel Fig 11 NOTE The spring must be assembied on the inner reel before reassembling the cutting attachment 5 Insert the ends of the line through the eyelets in the outer spool Fig 17 6 Place the new inner reel inside the outer spool Push the inner reel and outer spool together While holding the inner reel and outer spool grasp the ends and pull firmly to release the lin
29. ming any obligation to modify any product previously manufactured 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 IMPLIEDWARRANTIES INCLUDING MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR OTHERWISE ARE DISCLAIMED IN THEIR ENTIRETY AFTER THE EXPIRATION OF THE APPROPRIATE TWO YEAR OR NINETY DAY WARRANTY PERIOD RYOBI S OBLIGATION UNDER THIS WARRANTY IS STRICTLY AND EXCLUSIVELY LIMITED TO THE REPAIR OR REPLACEMENT OF DEFECTIVE PARTS AND ROP DOES NOT ASSUME OR AUTHORIZEANYONE TO ASSUME FOR THEM ANY OTHER OBLIGATION SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIEDWARRANTY LASTS SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU RYOBI ASSUMES NO RESPONSIBILITY FOR INCIDENTAL CONSEQUENTIAL OR OTHER DAMAGES INCLUDING BUT NOT LIMITEDTO EXPENSE OF RETURNING THE RYOBI PRODUCT TO AN AUTHORIZED SERVICEDEALER AND EXPENSE OF DELIVERING IT BACK TO THE OWNER MECHANIC S TRAVEL TIME TELEPHONE OR TELEGRAM CHARGES RENTAL OF A LIKE PRODUCT DURING THE TIME WARRANTY SERVICE iS BEING PERFORMED TRAVEL LOSS OR DAMAGE TO PERSONAL PROPERTY LOSS OF REVENUE LOSS OF USE OF THE PRODUCT LOSS OF TIME OR INCONVENIENCE SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU This warranty gives you specific legal rights an
30. n all gasoline from the gas tank into a container Do not use gas that has been stored for more than 60 days Dispose of the old gasoline in accordance to Federal State and Local regulations 2 Start the engine and allow it to run until it stalls This ensures that all gasoline has been drained from the carburetor 3 Allow the engine to cool Remove the spark plug and put 1 oz 30 ml of high quality motor oil into the cylinder Pull the starter rope slowly to distribute the oil Reinstall the spark plug NOTE Remove the spark plug and drain all of the oil from the cylinder before attempting to start the trimmer after storage 4 Thoroughly clean the unit and inspect for any loose or damaged parts Repair or replace damaged parts and tighten loose screws nuts or bolts The unit is ready for storage TRANSPORTING Allow the engine to cool before transporting Secure the unit while transporting Drainthe gas tank before transporting Tighten gas cap before transporting 19 TROUBLESHOOTING ENGINE WILL NOT START CAUSE ignition switch is OFF Empty gas tank Primer bulb wasn t pressed enough Engine flooded Old or improperly mixed fuel Fouled spark plug ENGINE WILL NOT IDLE CAUSE Air Filter is Plugged Old or improperly mixed fuel improper carburetor adjustment ENGINE WILL NOT ACCELERATE CAUSE Old or improperly mixed fuel improper carburetor adjustment Cutting head bound with grass Dirty air
31. ne is defective the part will be repaired or replaced by ROP OWNER S WARRANTY RESPONSIBILITIES As the small off road engine owner you are responsible for the performance of the required maintenance listed in your operator s manual ROP recommends that you retain all receipts covering maintenance on your small off road engine but ROP cannot deny warranty solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance As the small off road engine owner you should how ever be aware that ROP may deny you warranty coverage if your small off road engine or a part has failed due to abuse neglect improper maintenance or unapproved modi fications You are responsible for presenting your small off road engine to a Ryobi Authorized Service Center as soon as a problem exists The warranty repairs should be completed in a reasonable amount of time not to exceed 30 days if you have any questions regarding your warranty rights and responsibilities you should call 1 800 345 8746 MANUFACTURER S WARRANTY COVERAGE warranty period begins on the date the engine o equipment is delivered to the retail purchaser The manufacturer warrants to the initial owner and each subsequent purchaser that the engine is free from defects in material and workmanship which cause the failure of a warranted part for a period of two years Repair or replacement of warranted part will be performe
32. nt Allow the tip of the line to do the cutting especially along walls Cutting with more than the tip will reduce cutting effi ciency and may overload the engine Cut grass over 8 in 200 mm by working from top to bottom in small increments to avoid premature line wear or engine drag e Cut from left to right whenever possible Cutting to the right improves the unit s cutting efficiency Clippings are thrown away from the operator Slowly move the trimmer into and out of the cutting area at the desired height Move either in a forward backward or side to side motion Cutting shorter lengths produces the best results Trim only when grass and weeds are dry The life of your cutting line is dependent upon Following the previous trimming techniques What vegetation is being cut e Where it s being cut For example the line will wear faster when trimming against a foundation wall as opposed to trimming around a tree DECORATIVE 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 10 MAINTENANCE AND REPAIR INSTRUCTIONS 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 maintenance procedures should be performed a
33. of RYOBI 2 Cycle OIL makes a 32 1 fuel oil ratio UNLEADED GAS RYOBI 2 CYCLE OIL 1 US GALLON 4 0 FL OZ 3 8 LITERS 120 ml 1 LITER 4 30 mi MIXING RATIO 32 1 Ignited Vapors 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 area WARNING Gasoline is extremely flammable WARNING Remove fuel cap slowly to avoid injury from fuel spray Never operate the unit without the fuel cap securely in place CAUTION For proper engine operation and maximum reliability pay strict attention to the oil and fuel mixing instructions on the 2 cycle oil container Using improperly mixed fuel can severely damage the engine WARNING Add fuel in a clean well ventilated area outdoors Wipe up any spilled fuel immediately Avoid creating a source of ignition for spilt fuel Do not start the engine until fuel vapors dissipate NOTE Dispose of the old fuel oil mix in accordance to Federal State and Local regulations STARTING STOPPING INSTRUCTIONS STOPPING INSTRUCTIONS 1 Release your hand from the throttle control Fig 3 Allow the engine to cool down by idling 2 Put the Start Stop Engine Control in the STOP position Fig 1 STARTING INSTRUCTIONS WARNING Avoid accidental starting Be in the starting position when pulling the starter rope
34. on when operating this unit KEEP BYSTANDERS AWAY WARNING Keep all bystanders especially children and pets at least 50 feet 15 m from the trimming area PRIMER BULB Push primer bulb fully and slowly 5 to 7 times UNLEADED FUEL Always use clean fresh unleaded fuel OIL Refer to operator s manual for the proper type of oil 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 WARNING Sharp blade on string guard To prevent serious injury do not touch line cutting blade CHOKE CONTROL A START position B RUN position TRIMMER BRUSHCUTTER SAFETY WARNING Thrown objects and rotating cutter can cause severe injury Keep bystanders especially children and pets at least 50 feet 15 m away from the cutting area The cutting attachment shield must be used when using the trimmer cutting attachment WARNING To avoid serious personal injury do not install a blade on this unit as configured Brushcutter Kit 4 300026 is available to convert this model into a tr
35. ottle control Pull the starter rope briskly The engine should start within three 3 to eight 8 pulls 9 Squeeze the throttle control to warm up engine for 5 to 10 seconds Place the choke lever in the RUN position B Fig 2 10 Stand in the operating position and clip the shoulder to the support fitting NOTE Choking is unnecessary when starting a warm engine Put the Start Stop Engine Control in the START position Fig 1 and start in RUN B Fig 2 WARNING Operate this unit only in a well ventilated area outdoors Carbon monoxide exhaust fumes can be lethal in a confined area OPERATING INSTRUCTIONS OPERATING THE CLICK LINK SYSTEM The Click Link system enables the use of these optional add ons Blower Vacuum BV720r Cultivator 3 pectet t uet eh a s GC720r Rale c eI ERES LE720r Hedge Trimmer HS720r Snow Thrower ST720r Straight Shaft Trimmer S8725r Sweeper Blower SB720r Tree Pruner 2 0 2 TP720r Turbo TB720r WARNING Read and understand operator s manual for add on prior to operation Removing the Cutting Attachment or Add Ons 1 Turn the knob counterclockwise to loosen Fig 4 2 Press and hoid the release button Fig 4 3 Whi
36. t the frequency stated in the table They should also be included as part of any seasonal tune up FREQUENCY WARNING To prevent serious injury never do maintenance or repairs with unit running Always do maintenance and repairs on a cool unit Disconnect spark plug wire to ensure the unit will not start MAINTENANCE REQUIRED REFER TO Before Starting Engine Fill fuel tank with correct oil and fuel mixture Every 10 Hours Clean and re oil air filter Page 16 Every 50 Hours Check spark plug condition and gap Page 18 13 MAINTENANCE AND REPAIR INSTRUCTIONS LINE INSTALLATION Always use genuine Ryobi 0 095 inch 2 41 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 a prewound inner reel NOTE Replacement line Part 612454 or a prewound reel Part 147345 can be purchased from your local authorized dealer Winding the Existing Inner Reel 1 Hold the outer spool with one hand and unscrew the Bump Knob counterclockwise Fig 11 Inspect the bolt inside the Bump Knob to make sure it moves freely Replace the Bump Knob if dam aged NOTE A Bump Knob Part 180814 can be purchased from your local authorized dealer Bump Knob gt
37. vice dealer nearest you DO NOT RETURN THE UNIT TO THE RETAILER NOTE PROOF OF PURCHASE WILL BE REQUIRED FOR WARRANTY SERVICE Make sure this manual is carefully read and understood before starting or operating this equipment THIS PRODUCT IS COVERED BY ONE OR MORE OF THE US PATENTS LISTED BELOW 5 076 149 4 901 682 4 779 405 4 651 422 4 505 040 4 463 498 4 369 742 4 342 236 4 223 441 2 125 688 D 249 012 D 239 329 OTHER PATENTS PENDING California Emission Regulations 3 ll Rules for Safe 4 8 A important Safty Information 4 5 B Safety and International Symbols 6 7 C Know Your Unit vette lepide TU 8 Oil and Fuel Information 9 IV Starting Stopping Instructions 10 V Operating Instructions 11 13 A Operating the Click Link System 11 B Holding the Trimmer 12 C Adjusting the D Handle 12 D Adjusting Trimming Line Length 12 E Tips for Best Trimming Results 13 F Decoritive 13 Vi Maintenance and Repair Instructions 13 18 A Maintenance Schedule 13 B Line Installation 14 15 C installing a Prewound Reel 15 D Air Filter Maintenance 16 E Car
38. will be provided without charge to the owner Any replacement part that is equivalent in performance or durability may be used in non warranty maintenance or repair and will not reduce the warranty obligations of the manufacturer The following components are included in the emission related warranty of the engine air filter carburetor primer fuel lines fuel pick up fuel filter ignition module spark plug and muffler 23 LIMITED TWO YEAR WARRANTY RYOBI OUTDOOR PRODUCTS warrants each new RYOBI Product for two 2 years according to the following terms This warranty extends to the original retail purchaser only and commences on the date of original retail purchase Any part of the RYOBI Product manufactured or supplied by RYOBI and found in the reasonable judgement of RYOBI to be defective in material or workmanship will be repaired or replaced by an authorized RYOBI service dealer without charge for parts and labor The RYOBI Product including any defective part must be returned to an authorized service dealer within the warranty period The expense of delivering the RYOBI Product to the dealer for warranty work and the expense of returning it back to the owner after repair or replacement will be paid for by the owner RYOBI s responsibility in respect to claims is limited to making the required repairs or replacements and no claim of breach of warranty shall be cause for cancellation or rescission of the contract of s
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