OPERATOR`S MANUAL
Contents
1. 1 MIX OIL WITH GAS AND FILL FUEL TANK WITH FUEL OIL MIXTURE per instructions an page 9 2 Put the IGNITION SWITCH IN THE ON POSITION Fig 6 3 FULLY PRESS AND RELEASE THE PRIMER BULB 5 TO 7 TIMES FUEL SHOULD BE VISIBLE IN THE BULB Fig 7 4 PLACE THE CHOKE LEVER IN THE FULL CHOKE POSITION A Fig 8 5 WITH THE UNIT ON THE GROUND SQUEEZE THE THROTTLE TRIGGER FULLY AND PULL THE STARTER ROPE BRISKLY Fig 9 until the engine sounds like it wants to run normally 2 to pulls NOTE Keep the throttle trigger depressed at all times until the engine is warmed up 6 PLACE THE CHOKE LEVER IN THE PARTIAL CHOKE POSITION B Fig 8 7 PULL THE STARTER ROPE BRISKLY 1 TO 3 TIMES TO START THE ENGINE Fig 9 8 H the engine does not start repeat steps 4 through 7 NOTE if the engine floods while attempting to Start the unit place the choke lever in the RUN position C squeeze the throttle trigger and pull the starter rope briskly The engine should start within three 3 to eight 8 pulls 9 After the engine warms up for 5 to 10 seconds PLACE THE CHOKE LEVER IN THE RUN POSITION C Fig 8 Be sure Fig 8 to keep throttle trigger depressed while g warming up engine l NOTE Choking is not required when starting a warm engine Start a warm engine in the PARTIAL CHOKE POSITION B 10 To stop the engine put the IGNITION SWITCH iN THE OFF POSITION Fig2. INTRODUCTION TABLE OF CONTENTS THANK YOU Thank you for purchasing this quality product This modern outdoor power tool is designed to 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 understand operating instructions Read the entire manual and follow ali of the instructions to keep your new outdoor power tool in top operating condition The other manual that came with your power tool the parts manuail contains all of 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 Aji Righis Reserved 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 and 1 800 265 6778 in Canada to obtain the listing of the authorized service 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 e
3. 6 mM it RUN 10 ADJUSTING TRIMMING LINE LENGTH Your trimmer is equipped with a bump head that allows the operator to release more trimming line without stopping the engine To release additional line lightly tap the trimming head on the ground Fig 10 while operating the trimmer at high speed NOTE Always keep the trimming line fully extended Line release becomes more difficult as cutting line becomes shorter Fig 10 Each time the head is bumped about 1 in 25 4 mm of trimming line is released A blade in the string guard will cut the line to the proper length if excess line is released OPERATING INSTRUCTIONS For best results tap the head on bare ground or hard soil if line release is attempted in tall grass the engine may stall CAUTION Do not remove or alter A the line cutting blade assembly Excessive line length will cause clutch to overheat and may result in serious personal injury DECORATIVE TRIMMING Decorative trimming is accomplished by removing all vegetation around trees posts fences etc Rotate the entire unit so that the string head is at a 30 angle to the ground Fig 11 Fig 11 11 MAINTENANCE AND REPAIR INSTRUCTIONS MAINTENANCE SCHEDULE These required maintenance procedures should be performed at the frequency stated in the table They should also be included as part of any seasonal tune up FREQUENCY MAINTEN
4. open flame or spark Aliow the engine to cool before storing in an enclosure Lock up and store the unit in an appropriate and dry location to prevent unauthorized use and damage Keep these instructions Refer to them frequently and use them to instruct other users lf you loan someone this unit aiso loan thern these instructions SAVE THESE INSTRUCTIONS 5 SAFETY WARNINGS 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 l SAFETY ALERT SYMBOL indicates danger warning or caution May be used in conjunction with other symbols or pictographs READ OPERATOR S MANUAL Failure to follow operating instructions and safety precautions in operator s manual can result in serious injury Read operator s manual before starting or operating this unit FOR SERVICE INFORMATION CALL USA 1 800 345 8746 CANADA 1 800 265 6778 WEAR EYE AND HEARING PROTECTION WARNING Thrown objacts and foud noise can cause severe eye injury and hearing loss Wear eye and ear protection when operating this unit KEEP BYSTANDERS AWAY WARNING Keep ail bystanders especially children and pets at least 30 feet 9 1 m away from the trimming area s PRIMER BULB 3 Push primer bulb fully
5. Always clean the inner reel outer spool and shaft before reassembling the bump head 12 MAINTENANCE AND REPAIR INSTRUCTIONS 4 Check the indexing teeth on the inner reel and outer Spool for wear Fig 15 if necessary remove burrs or replace the reel and spool Fig 16 Winding the Existing Reel 1 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 16 Pull the tine so that the loop is as small as possible 2 Place your index finger between the two lines to stop the lines from overlapping Fig 17 3 Wind the lines in even and tight layers onto the reel Fig 17 Wind the line in the direction indicated on the inner reel Be sure not to overlap the two ends of the fine NOTE Failure to wind the line in the direction indicated will cause the string head to operate incorrectly 3 Insert the ends of the line into the two holding slots Fig 18 Fig 18 Reinstalling the Reel 1 Insert the ends of the line through the eyelets in the outer spool and insert the inner reel and spring into the outer spool Fig 19 2 Grasp the line ends and pull firmly to release the them from the holding slots in the inner reel Fig 19 3 Hold the inner reel in place and install the Bump Knob in the clockwise direction Fig 12 Line installation is now complete INSTALLI
6. STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The California Air Resources Board and Ryobi Outdoor Products ROP is pleased to explain the emission control system warranty on your 1995 and later lawn and garden equipment engine in California new lawn and garden equipment engines must be designed built and equipped to meet the State s stringent antl smog standards ROP must warrant the emission control system on your lawn and garden equipment engine for the periods of time fisted below provided there has been no abuse neglect or improper maintenance of your lawn and garden equipment 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 lawn and garden equipment engine at no cost to you including diagnosis parts and fabor The 1995 and later utility and lawn and garden equipment engines are warranted for two years if any emission related part on your engine is defective the part will be repaired or replaced by ROP OWNER S WARRANTY RESPONSIBILITIES As the lawn and garden equipment 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 lawn and g
7. and slowly 5 to 7 times s UNLEADED FUEL Always use clean fresh unleaded fuel x INDICATES OIL Refer to operator s manual for the proper type of oil CHOKE CONTROL x FULL CHOKE position A PARTIAL CHOKE position B s RUN position C SAFETY WARNINGS SYMBOL MEANING THROWN OBJECTS AND ROTATING CUTTER CAN CAUSE SEVERE INJURY WARNING Do not operate unit without string guard in place Keep away from rotating string head IGNITION SWITCH ON START RUN IGNITION SWITCH 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 and remain hot for a short time after the unit is turned off SHARP BLADE WARNING Sharp blade on string guard To prevent serious injury do not touch blade ASSEMBLY INSTRUCTIONS INSTALLING THE D HANDLE 1 Push the D handie down over the boom Fig 1 2 install the bolt washer and wing nut and tighten Fig 1 ADJUSTING THE D HANDLE 1 Loosen the wing nut It is not necessary to remove the wing nut washer and bolt 2 Rotate the D handie so the grip is above the top of the boom 3 Position the D handie as desired and tighten the wing nut Fig 2 Fig 2 INSTALLING THE STRING GUARD H the string guard on your unit is not installed use the following instructions WARNING Never operate the trimmer witho
8. as required if the outlet port of the cylinder is plugged contact your authorized service dealer CAUTION Repiace a cracked fouled or dirty spark plug Do not sand blast scrape or clean electrodes because the engine could be damaged by grit entering the cylinder 3 Set the air gap at 0 020 in 0 5 mm using a wire feeler gauge Fig 27 Install a correctly 4 Inspect the muffler mounting holes for gapped spark plug into the cylinder head elongation Replace the muffler and muffler Torque to 110 120 in ib 12 3 13 5 Nem bolts if the holes are elongated Fig 27 Outlet Port INSPECTING THE MUFFLER The muffier should be removed every 25 hours of operation to inspect for excessive carbon build up Excessive deposits around the exhaust part Fig 28 or exhaust holes will cause poor engine performance Muffler Gasket Use the following procedure to remove inspect and reinstall the muffler Fig 30 WARNING To avoid serious personal injury make sure that the muffier is Reinstalling Muffler cool before removing and inspecting 1 Install a new gasket Make sure the arrow p 7 stamped into the gasket is to your right Tuck anon err the tab with the arrow between the cylinder t Remove the muffler mounting bolts Fig 28 and plastic shroud Fig 30 2 Remove the muffler with heat shield and 2 Install the muffler with the muffler mounting gasket Discard the old gasket bolts Fig 28 and torque th
9. emission related warranty of the engine air filter carburetor primer fuel lines fuel pick up fuel filter ignition module spark plug and rutiier 21 LIMITED TWO YEAR WARRANTY RYOBI OUTDOOR PRODUCTS warrants each new RYOBI Product for two 2 years according to the following terms This warranty extends fo the original retail purchaser only and commences on the date of original retail purchase Any part of the AYOBI 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 RYOB service dealer without charge for parts and iabor 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 ta 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 sale of any RYOBI Product Proof of purchase will be required by the dealer to substantiate any warranty claim Ali warranty work must be performed by an authorized RYOBI service dealer This warranty js limited to ninety 90 days from the date of original retail purchase f
10. not Adjusting Carburetor rotate when the engine idles 1 Clean the air filter if it is dirty Refer to Air Fitter Final High Speed Mixture Needle Adjustment Maintenance 1 High speed mixture needle adjustment is not 2 Make the initial settings with the engine recommended without a Peen high speed stopped These initial settings should allow you tachometer to start and warm up the unit before Kas 2 The factory presets the high R mixture the mal adjustments needle at 1 1 4 turns out from the closed initial Idie Speed Setting position Your unit should perform well at this a For Walbro carburetors Back the idle speed setting If additional adjustment of the high screw Fig 25 out counterclockwise until it speed mixture needle is required contact your does not contact the carburetor throttle lever local authorized service dealer 15 MAINTENANCE AND REPAIR INSTRUCTIONS REPLACING THE SPARK PLUG Use a Champion RDJ7Y spark plug or equivalent Correct air gap is 0 020 in 0 6 mm Remove plug after every 50 hours of operation and check its condition 1 Stop the engine and allow it to cool Pull the wire off of the spark plug 2 Clean around the spark plug and remove it from the cylinder head Use a 5 8 socket to remove the plug Muffler Mounting Bolts _ Fig 28 3 Check the inlet port of the muffler and outlet port of the cylinder for excessive carbon deposits Figs 29 and 30 Ciean or replace the muffler
11. ANCE REQUIRED REFER To Daily or Before Fili fuel tank with correct oil and fuel fixture Page 10 Starting Engine Every 10 Hours Clean and re oil air filter Page 14 Every 25 Hours inspect and clean muffler Pages 16 17 Every 50 Hours Check spark plug condition and gap Page 16 LINE INSTALLATION The trimming line may be replaced by two different methods rewinding the existing reel or installing a prawound reel WARNING Never perform maintenance _ Or repairs with unit running Always perform maintenance and repairs on a coal unit Disconnect spark plug wire to make sure the unit will not start Rewinding the Existing Reel To rewind the existing reel you must 1 Check for the corract line size 2 Remove the existing reel and spring 3 Wind the axisting reel with the new line 4 Reinstail the existing reei and spring The Correct Line to Use NOTE it is very important to use the correct size line A line with a diameter of 0 080 inch 2 03 mm must be used The engine may overheat and fail If you use a larger ine Removing the Existing Reel 1 Hold the outer spool with one hand and unscrew the Bump Knob counterciockwise Fig 12 Inspect the captured bolt Inside Fig 13 the Bump Knob to make sure It moves freely Replace the Bump Knob if it is damaged 2 Remove the inner reel Fig 13 3 Use a clean cioth to clean the inner surface of the outer spool Fig 14 l NOTE
12. ATION TO THE TWO 2 YEAR WARRANTY PERIOD OR NINETY 90 DAYS FOR PRODUCTS rarer FOR ANY COMM Arey oo ARRANTY PERIOD UNDER THIS WARRANTY IS STRICTLY AND EXCLUSIVELY LIMITED TO THE REPAIR OR EPLACEMENT OF DEFEC U OBLIGATION SOME STATES DO NOT ALLOW ry tal HS ON RON LONG AN IMPLIED WARRANTY LA So a ABOVE LIMITATION MAY NOT APPLY TRR YOU RYOBI ASSUMES NO RESPONSIBILITY FOR INCIDENTAL CONSEQUENTIAL OR OTHER DAMAGES INCLUDING BUT NOT LIMITED TO EXPENSE OF ee Na THE RYOBI PRODUCT TO AN AUTHORIZED SERV D GE TO PERSO PROPERTY LOSS OF pA Su on OF USE OF THE PRODUCT rat OF TIME AAE SOME STAT TES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE Bao OR EXCLUSION MAY NOT APPLY TO YOU This warranty gives you specific you may aiso have lead tights wh state to state al rights and vary from This warranty applies to ali RYOBI Products manufactured by RYOBI and sold in the United States and Canada To iocate your nearest service dealer dial 800 345 8746 in the United States or 1 800 265 6778 in Canada RYOBI RYOBI OUT DOOR PRODUCTS St Chandler AZ 7 88226 U S A RYOBI CANADA INC 275 industrial Rd Cambridge Ontario NIR 6K2 CANADA REV A 7019 3 98
13. E Na ln a Electronic BON OWEN oad A al cen ae ae tune a hee A TREE as Sark e URTE SO eters Slide Switch SP AN alt oan oy gee cents fad A EET E ava ene re OE Ha ER 6 020 in 0 5 mm Br e ac oh riiwire va E eaenen ee GEAR A Fus Oil Mixture PUSAN Soc as wk das crag eed Pere tien wh Pons eee eka ee eae eee Aa La E g 32 1 NOUS MEE EE T TEE EE TTA ETEA T T E E ETTE R la a Diaphragm Ail Position A a fi decree A E E S Tesesteteamn dd Ste stiles meen eeu rea A A ere Rees A Auto Rewind MINN 2 voiae ace eh 99 T N S Sie inet see cee unis Chesaewtsuseederueenatedeas Baffled with Guard TIO a R peat S Z T K ne 04 T Ea E oy enuere dN A E Eg 94 ra Manual Spring Return FUSE RU AEn e ova faces beaae isha rade cews 445 5 en ted rhe Rds Cowedenee reds 48 oz 530 mh FUR AAI EE A E ae cna eure ee wehes E E E ees eee eee ET HD Polyethylene DRIVE SHAFT amp STRING HEAD TINO COMING chp iran cenaa aus eeeeads sa eeiers covass conse esg ET ET Finger Tip Trigger ASST MAIN VIN 32s er wane ye ted eae a hed teers ARS Eee T TTET Approx 10 5 Ibs 4 725 kg SHOU ONG a n A AE eee NA Se i aa H A Ak 2 Optional E pekee an MEERE E E P A E T TTET Bump Line Releaser LEW SOO OE ia a a bee ecu Miedo ia E se anaes ead HEART edad eine eats 3 in 76 2 mm TT LS CNN erica spre packed sees ows hese w ERT E veh lased een egies swine 0 080 in 2 03 mm CURIE PANT RINE sv seein 0 ti teaad cgay dine ER CHL Z KRA N AT L ad aE Rati Ka 15 in 68 1 cm 19 NOTES _ CALIFORNIA EMISSION CONTROL WARRANTY
14. NG PREWOUND REEL 1 Follow the instructions in The Correct Line to Use 2 Follow the instructions in Removing the Existing Reel 3 Follow the instructions in Reinstalling the Reel 13 AIR FILTER MAINTENANCE CLEAN AND RE OIL THE AIR FILTER EVERY 10 HOURS OF OPERATION Your unit s air filter is one of the most important areas to maintain If it is not maintained you will void the warranty Before cleaning make sure the unit is turned off NOTE The choke lever must be in the full CHOKE position A Fig 20 to remove and install the air filter cover 1 Remove the screws on each side of the carburetor air fitter cover assembly Fig 20 Remove the air fiter cover Fig 20 2 Remove the air filter Fig 21 Fig 21 3 Wash the filter in detergent and water Fig 22 Rinse the filter thoroughly and allow it to dry Fig 22 MAINTENANCE AND REPAIR INSTRUCTIONS 4 Apply enough clean SAE 30 off to lightly coat the filter Fig 23 Fig 23 5 Squeeze the filter to spread and remove excess oi rig 24 Fig 24 6 Reinstall the filter Fig 21 air filter cover and screws Fig 20 NOTE if the unit is operated without the carburetor alr filter cover assembled you will VOID the warranty CARBURETOR ADJUSTMENT This unit is equipped with a diaphragm type carburetor that has been carefully calibrated at the factory In most cases no further adjustment is requi
15. arden equipment engine but ROP cannot deny warranty solely for the tack of receipts or for your failure to ensure the performance of all scheduled maintenance 5 As the iawn and garden equipment engine owner you should however be aware that ROP may deny you warranty coverage H your lawn and garden equipment engine or a part has failed due to abuse neglect improper maintenance or unapproved modiications You are responsible for presenting your lawn and garden equipment 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 1 800 245 8746 MANUFACTURER S WARRANTY COVERAGE The warranty period begins on the date the engine or 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 performed at no charge to the owner at an Authorized Ryobi Service Canter For the nearest location please contact Ryobi at 1 800 345 8746 Any warranted part which is not scheduled for replacement as required maintenance which is _ scheduled only for reguiar inspection to the effect o
16. d let it run for a minute 5 Release the throttle trigger and let the engine idie ff the engine stops turn the idle speed s l screw Figs 25 and 26 in clockwise 1 8 turn Zama Carburetor e at a time as required until the engine idles NOTE Forcing the limiter caps with a screwdriver will damage the needle tips and the seat in the carburetor body 6 Final Idle Speed Screw and idie Speed idle Speed High Speed Mixture Needie Settings Adjust the die Mixture gt Mixture speed screw and idle speed mixture needle Needle _ for smoothest engine idle a Turn the idle speed mixture needle Figs Fig 26 25 and 26 in clockwise until you hear the G S fastest idie then turn the needle out If the following conditions are experienced it may counterclockwise 1 8 turn Pe atar eee aero b Squeeze the throttle trigger Hf the engine e engine will not idie falters or hesitates as it accelerates The engine hesitates or stalls on acceleration turn the idle speed mixture needle out s A loss of engine power that is not corrected counterclockwise 1 16 turn at a time by cleaning the air filter and muffler until the engine accelerates rapidly NOTE Careless adjustments can seriously c if the idie speed changes significantly damage your unit it is recommended because of Steps a and b readjust the that carburetor adjustments are made by idle speed screw refer to Step 2 Ot BU IOnizes Benin Comet NOTE The bump head line spool should
17. e bolts to 80 90 inelb 9 10 1 Nem 16 MAINTENANCE AND REPAIR INSTRUCTIONS CLEANING WARNING To avoid serious personal injury always turn your trimmer off and allow it to cool before you clean or perform any maintenance on it Use a small brush to clean off the outside of the unit Do not use strong detergents on plastic housing or handle They can be damaged by househoid cleaners that contain aromatic oils such as pine and ismon and by solvents such as kerosene Wipe off any moisture with a soft cloth STORAGE If the unit will be stored for an extended period of time use the following storage procedure 1 Drain ail tuel from the fuel tank and drain into a container with the same 2 cycle fuel mixture Do not use fuel that has been stored for more than 60 days Dispose of the old fuel oil mix in a safe manner and use a fresh mix 2 Start the engine and allow it to run until it stalis This ensures that all fuel has been drained from the carburetor 3 Allow the engine to cool Remove the spark plug and put approximately 1 oz 80 mi of any high quality motor oil or 2 cycle 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 repiace damag
18. ed parts and tighten loose screws nuts or bolts The unit is now ready for storage 5 To prevent unauthorized use or damage of the unit store in a dry well ventilated area up high or locked up out of the reach of children ACCESSORIES REPLACEMENT PARTS PAG OW Soya ise dd bd aeenes 147543 DOC gs onies Dera 610311 Replacement Line Cartridge 153577 Replacement Line s e eae K 610375 Inner Rael Spring 06 cea 610617 Bump Head Knob Assembly 153066 Fuel Cap CR RIRE ER ETE 180000 pl go ee 682075 7 TROUBLESHOOTING PROBLEM CAUSE ACTION Turn switch to ON FHI fuel tank Press primer bulb fully and slowly 5 7 times Use starting procedure WITHOUT USING CHOKE Drain fuel tank Add fresh fuel Engine will not start Ignition switch is OFF Empty fuel tank Primer bulb wasn t prassed enough Engine flooded Old or improperly Mixed Fuel mixture Fouled spark plug Excessive oil in oil fuel Replace spark plug Drain fuel mixture or Old Fuel tank Add fresh fuel mixture Engine will not idle Carburetor misadjusted Adjust carburetor Drain fuel tank Add fresh fuel Old or improperly Mixed Fuel mixture Engine will not accelerate Old or Improperly Mixed Fuel Drain fuel tank Add fresh fuel mixture Stop engine and clean string head String head bound with grass Engine lacks power
19. ety warning may result in serlous persona injury to yourself or to others Always follow the safety precautions to reduce the risk of fire and personal injury NOTE Advises you of information or instructions vital to the operation or maintenance of the equipment e IMPORTANT SAFETY INFORMATION lt READ ALL INSTRUCTIONS bede OPERATING Read the instructions carefully Be familiar with the controls and proper use of the unit Children and adolescents must not manipulate units except for adolescents in training and under the supervision of a specialist AH guards and safety attachments must be installed properly before operating the unit Thoroughly inspect the unit for loose or damaged parts before each use Do not use until adjustments or repairs are made x Carefully inspect the areas to be cut Remove all debris that could become entangled in the string or blade Also remove any objects that could be thrown during cutting Be aware of the risk of injury to the head hands and feet 092A WARNINGS FOR GAS TRIMMERS WARNING Gasoline is highly flammable and its vapors can expiode if ignited Take the following precautions Store fuel only in containers specifically designed and approved for the storage of such materials Always stop the engine and allow it to cool before filling the fuel tank Never remove the cap of the fue tank or add fuel when the engine is h
20. f 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 repiacement 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 componants caused by the fallure 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 Hable to cover failures or warranted parts caused by the use af 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 af ali 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 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 repalr and will not reduce the warranty obligations of the manufacturer The following components are included in the
21. he 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 not factory equipped with a spark arrestor If these items are required in your area ask your LOCAL SERVICE dealer to install the Optional Accessory Part 180030 Spark Arrestor Kit FOR QUESTIONS CALL 1 800 345 8746 IN U S OR 1 800 265 6778 in CANADA SAFETY WARNINGS THE PURPOSE OF SAFETY SYMBOLS iS TO ATTRACT YOUR ATTENTION TO POSSIBLE DANGERS THE SAFETY SYMBOLS AND THE EXPLANATIONS WITH THEM DESERVE YOUR CAREFUL ATTENTION AND UNDERSTANDING THE SAFETY WARNINGS DO NOT BY THEMSELVES ELIMINATE ANY DANGER THE INSTRUCTIONS OR WARNINGS THEY GIVE ARE NOT SUBSTITUTES FOR PROPER ACCIDENT PREVENTION MEASURES SYMBOL SAFETY ALERT SYMBOL Indicates danger warning or caution Special attention is required in order to avoid serious personal injury May be used in conjunction with other symbols or pictographs DANGER Failure to obey a safety warning will result in serious personal injury to yourself or to others Always follow the safety precautions to reduce the risk of fire and personal injury WARNING Failure to obey a safety warning can result in serious personal injury to yourself or to others Always follow the safety precautions to reduce the risk of fire and personal injury CAUTION Failure to obey a saf
22. ng from one cutting location to another 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 guard as specified in this manual if you strike or become entangled with a foreign object stop the engine immediately and check for damage Repair any damage before further operation is attempted Do not operate the unit with loose or damaged parts Frequently inspect the condition of the string head All damaged parts must be replaced immediately Follow all the required precautions when undertaking replacement Ail interventions whether for maintenance repair or for changing string head or safety attachments must be undertaken with the engine motor stopped Use oniy genuine replacement parts when servicing this unit These parts are available from your authorized dealer The use of non standard parts or other accessories or attachments not designed for this unit could result in 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 string head and guard mount To reduce fire hazard replace faulty mufflers and spark arrestors keep the engine and muffler free of grass leaves excessive grease or carbon buildup OTHER SAFETY WARNINGS Never store the unit with fuel in the tank inside a building where fumes may reach an
23. or Muffler plugged stalls when cutting Throttle wire has come loose Dirty air filter No oi in fuel or Old Fuel Clean or replace muffler Tighten throttle wire Clean or replace air filter Drain fuel tank Add fresh fuel mixture Adjust carburetor Clean or replace muffler Stop engine and clean string head Carburetor misadjusted Mutfier plugged String head bound with grass Refill with new line Replace inner reel Clean inner reel and outer spool Disassemble remove the welded section and rewind the line Disassemble and rewind line Push the Bump Knob and pull out line until 4 inches 102 mm of line is outside of the string head String head will not advance line String head out of line Inner reel bound up String head dirty Line welded Line twisted when refilled Not enough fine is exposed If further assistance is required contact your authorized service dealer 18 SPECIFICATIONS ENGINE Engine Type EEEE amass EEN EAE ETET E EEE TT Ax Cooled 2 Cycie RINE Gs Dunia Sh ORR eGR GaGa a Ra MENON ae Mba Hane see we aay Ee RRA Rae ae 1 25 in 61 75 mm DIOT a A K kena cos eines C aE a h bad comings sas dee ee i a TA at Ea 1 9 cu in 31 cc COSTA APM ca tol Niele cu Stud head saw humus eden Gawd dee E one 7 009 8 200 rom an L acticin conn peaked hea ANENA mint u abate hunter oe 2 800 3 600 rom MOM TYPE eke oe cic ee SA le tas cone in eee Paes eee 2 ANA NT
24. or any RYOB Product that is used for rental or commercial purposes or any other income produsing purpose This warranty does not cover any RYOBI Product that has been subject to misuse neglect nagiigence or accident or that has been operated in any way contrary to the operating instructions as specified in the RYOBI Operators Manual This warranty doss 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 tha 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 Fitters B Wear iterns Bump Knobs Outer Spools Cutting Lins Inner Resis Starter Pulley Starter Ropes Drive Belts RYOBI reserves the right to change or improve the rll of any RYOBI Product without any wedh to modify any product oa 2 manufactured PRINTED IN U S A 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 181958 ALL IMPLIED WARRANTIES ARE LIMITED IN DUR
25. ot Pressure can build up in the fuel tank Loosen the fual tank cap slowly to relieve any pressure in the tank Add fuel in a clean well ventilated area Wipe up any spilled fuel immediately If fuel has been spilled avoid creating a source of ignition or starting the engine until fuel vapors have dissipated s Ensure correct fuel or fuel oil mixture is used Never operate the unit without the fuel cap securely in place x Move the unit at least 10 ft 3 m from the fueling point before starting the engine Do not smoke keep sparks and open flames away trom the area while adding fuel or operating the unit WHILE OPERATING x Wear safety glasses or goggles and ear hearing protection at all times when operating this unit Always wear a face or dust mask if the operation is dusty Dress properly Do not operate this unit when barefoot or wearing open sandals Always wear sturdy rubber soled footwear The use of gloves and long pants is recommended SAFETY WARNINGS Do not wear loose fitting clothing or articles such as scarves strings chains ties etc because they could get drawn into the air intake Also make sure iong hair does not get drawn into the air intake Long hair must be pulled back and secured off shoulders and neck The string guard must be in place at ali times while operating the unit DO NOT OPERATE UNIT WITHOUT THE GUARD IN PLACE Before each use check that the string head is correc
26. quipment 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 Galifornia Emission Regulations 3 H Safety Warnings 4 7 A Safety and International Symbols 6 7 fli Assembly instructions s 6 lt 8 A Installing D Handla 5 8 B Adjusting O Handie 0 gB C Installing String Guard 8 N Oil and Fuel information s g N Starting Stopping Instructions 10 VI Operating instructions 11 A Adjusting Trimming Line Length 11 B Decorative Trimming e 11 Vil Maintenance and Repair Instructions 12 17 A Maintenance Schedule 12 B Line installation e 12 1 Removing the Existing Reel 12 2 Winding the Existing Reel 13 3 Reinstalling the Reel 13 C Installing a Prewound Reel 13 D Air Fitter Maintenance 14 E Carburetor Adjustment 44 F Replacing the Spark Plug 16 G Inspecting the Muffler 16 H Cleaning and Storage 17 VIH Troubleshooting Chart lt lt e 18 IX GHSCHCAUONS 7039 K EE T 9 KS RR 0 5 19 Ky NOUS shade Bie hoi EEE Vee 20 tL WONO ott ae htetaas enna 27 CONTENTS OF CARTON This unit should consis
27. red NOTE To meet the 1995 1998 California emission regulations the carburetor has adjustment needle limiter caps to restrict the amount of adjustment Removal or alteration of these caps will void the unit s warranty Old or improperly mixed fuel are usually the main reasons for the unit not running properly Drain and refill the tank with fresh properly mixed fuel prior to making any adjustments Refer to OH and Fuel Information The condition of the air fiter is important to the operation of the unit A dirty air filter will restrict the air flow which upsets the fuel air mixture in MAINTENANCE AND REPAIR INSTRUCTIONS the carburetor The resulting symptoms are often Then turn the screw in clockwise until it mistaken for an out of adjustment carburetor just begins to move the throttle lever then Therefore check the condition of the air filter continue turning 2 full turns before adjusting the carburetor Refer to Air b For Zama carburetors Back the idle speed Filter Maintenance screw Fig 26 out counterclockwise until it Walbro Carburetor does not contact the throttle lever Then turn the screw in clockwise until it just begins to move the throttis lever then continue turning 1 1 2 turns _ 3 Initial High Speed Mixture and Idle Speed Mixture Needle Settings Turn both the high speed mixture and idle speed mixture needles idie Speed i i Mixture e r PEENE urti the limiter caps 4 Start the engine an
28. t of the following Model 700r Trimmer D Handie and Hardware String Guard and Hardware Bottle of 2 Cycie Oil Operator s Manual Parts Manual Owner s Registration Card L L amp CALIFORNIA EMISSION REGULATIONS The engine of your lawn and garden care product meets the 1995 1998 California emissions regulations These units are identified by the cin 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 RYOBI A WARNING A IMPORTANT ENGINE INFORMATION ENGINE DISPLACEMENT 3icc THE ENGINE EXHAUST FROM THIS TI Prouet conme CHEMICAL 995 1998 CALIFORNIA EMISSION KNOWN TO THE STATE OF AND REGULATIONS heal t LGE ENGINES ALIFORNIA T REFER TO OPERATOR S MANUAL FOR S S GRA MAINTENANCE SPECIFICATIONS BIRTH DEFECTS OR OTHER AND ADJUSTMENTS REPRODUCTIVE HARM SPARK ARRESTOR NOTE For users on U S Forest Land and in the states of California Maine Oregon and Washington All U S Forest Land and the states 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 t
29. tly fixed and that the trigger returns automatically to the neutral position Before starting adjust the handle to your size and make sure that the string head is not in contact with anything Use the unit only in daylight or good artificial fight Operate this unit only in a well ventilated area outdoors Carbon monoxide exhaust fumes can he iethal in a confined area Avoid accidental starting Be in the starting position whenever pulling the starting rope The operator and unit must be in a stable position while starting as shown in Starting Stopping Instructions Use the right tool Do not use this unit for any job except for which it is intended Do not overreach Keep proper footing and balancing at all times Always hald the unit with both hands when operating Keep a firm grip on both the front and rear handles or grips Keep hands face and feet away from ail moving parts Do not attempt to touch or stop the string or string head when tt is rotating Do not touch the muffler or cylinder These parts get extremely hai from operation and remain hot for a short time after the equipment is turned off Keep all bystanders especially children and pets at least 30 ft 9 1 m away from the unit during operation Do not operate the engine faster than the speed necessary to cut trim or edge Do not run the engine at high speed when not cutting L Always stop the engine when cutting is delayed or when walki
30. tremely flammable and its vapors can explode if they are ignited Aiways stop the engine and allow it to cool before filling the fuei tank Do not smoke while filling the tank Keep sparks and open flames away from the area WARNING Remove fuel cap slowly to avoid injury from fuel spray USE OF FUEL ADDITIVES The use of fuel additive such as STA BIL Gas Stabilizer or an equivalent will inhibit corrosion and minimize the formation of gum deposits Add 0 8 oz 23 mil per gallon of fuel per instructions on container NEVER add fuel additives directly to the unit s Tue tank Using a fuel additive can keep fue fresh for up to six 6 months CAUTION For proper engine operation and maximum reliability pay strict attention to the oil and fue mixing instructions on the 2 cycle oil container Use a 32 1 fuel oil ratio Use 2 cycle oll Using improperly mixed fuel can severely damage the engine OIL AND FUEL MIXING INSTRUCTIONS Thoroughly mix the proper ratio of unleaded gasoline with 2 cycle engine oll in a separate fuel can 32 1 Do not mix them directly in the engine fuel tank See the table below for specific gas and oi mixing ratios UNLEADED GAS 1 U S GALLON 3 8 liters RYOBI OH 4 0 fi oz 118 mi 30 mi 1 LITER MIXING RATIO 32 1 STARTING STOPPING INSTRUCTIONS CAUTION This model is a non clutch unit At idle the trimming ignition Switch line continues to rotate
31. ut the string guard in place 1 Place the string guard onto the boom above the clamp assembly so that the guard is in front of the string head Fig 3 Fig 3 2 Push the string guard down to the top of the string head assembly and then rotate the string guard to the proper position Fig 4 The string guard is in the correct position when the string guard points toward the engine and the holes in the string guard line up with the holes in the top of the string head assembly Fig 4 3 install the four 4 screws with a Phillips screwdriver Fig 5 Fig 5 OIL AND FUEL INFORMATION NOTE Alcohol biended Tue absorbs moisture water As little as 1 moisture in the fuel can cause fuel and oil to separate and form acids when stored If alcohol blended fuel must be used use fresh fuel ess than 60 days old and mix according to the mixing instructions DEFINITION OF BLENDED FUELS Today s fuels are often a blend of gasoline and one or more oxygenates such as ethanol methanol or MTBE ether USE OF BLENDED FUELS If you choose to use a blended fuel or its use is unavoidable the following precautions are recommended 1 Always use fresh fuel mix per your operator s manual 2 Use the special additive STA BIL or an equivalent 3 Always agitate the fue mix before fueling the unit 4 Drain the tank and run the engine dry before storing the unit WARNING Gasoline is ex
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