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1. DO NOT CHARGE BATTERY UNIT IN DAMP OR WET LOCATIONS For optimum performance your battery unit should be charged in a location where the temperature is more than 50 F 10 C but less than 100 F 37 C See Battery and Charging Tips for Maximum Perfor mance on page 4 DO NOT dissassemble the battery housing Return the unit to your authorized service dealer for service or repair CHARGER WARNINGS Before using the battery charger read all instructions and cautionary markings in this manual on the battery charger and the unit using the battery charger To reduce the risk of injury charge only sealed lead acid rechargeable batteries Other types of batteries may burst causing personal injury and damage 3 Do not expose charger to rain or snow 4 To reduce the risk of damage to the charger body and cord pull the charger body rather than the cord when disconnecting the charger Make sure the cord is located so that it will not be stepped on tripped over or otherwise subject to damage or stress An extension cord should not be used unless abso lutely necessary Use of improper extension cords could result in risk of fire and electric shock If an extension cord must be used make sure a The pins on the plug of the extension cord are the same number size and shape as those of the charger b The extension cord is properly wired and in good electrical condition and c The wire si2. 25 4 mm of trimming line is released A blade in the string guard will cut the line if excess line is released For best results tap the head on bare ground or hard soil If line release is attempted in tall grass the motor may overheat Always keep the trimming line fully extended Line release becomes more difficult as the cutting line becomes shorter DECORATIVE TRIMMING 1 Decorative trimming is accomplished by removing all vegetation around trees posts fences etc Use a 30 degree angle when trimming with this method Fig 14 Fig 14 TIPS FOR BEST TRIMMING RESULTS 1 Hold the cutting line parallel to the ground and the cutting head will be at the correct angle L NOTE Do not rest the Bump Head on the ground 2 DO NOT FORCE THE UNIT Allow the very tip of the line to do the cutting especially along walls Cutting with more than the tip will reduce cutting efficiency and may overload the motor 3 Grass over eight 8 inches 200 mm should be cut by working from top to the bottom in small increments to avoid premature line wear or motor drag 4 Whenever possible cut to your left When cutting to the left the unit s cutting efficiency is improved slight ly Also the clippings are thrown away from the oper ator 5 Slowly move the trimmer into and out of the area being cut maintaining the trimmer at the desired cutting height This can be either a forward backward or side to side motion Maintain
3. is now complete L NOTE Make sure the tabs on the cover are snapped on completely with the slots on the Bump Head If the cover is not installed properly it can come apart dur ing operation Fig 20 INSTALLING A 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 CLEANING THE UNIT 1 Keep the air vents free of obstructions See Fig 9 on page 7 2 Do not use any strong detergents on the plastic hous ing or the handle They can be damaged by certain household cleaners that contain aromatic oils such as pine and lemon and by solvents such as kerosene Moisture can also cause a shock hazard Wipe off any moisture with a soft cloth STORAGE Clean the unit thoroughly before storing it Always store the unit on the wall station which should be located in a cool dry well ventilated area out of the reach of children REPLACEMENT PARTS PREWOUNDJ REEL 5 intente 180292 GUARD ASSEMBLY seen 180408 D BANDBEE iit btt senes 145819 D HANDLE HARDWARE eene 153523 CHARGER pente t Destin es Lerens 180409 WALL STATIQN itti eete ed entender tnit 180412 6 VOLT BATTERY d ctetu 180410 BATTERY DOOR iter defe 180411 SPECIFICATIONS BATTERY MOTOR amp CUTTING HEAD MOtoR 1n edel 6 Volts DC Battery esee 6 Volts Se
4. wall station in the charging mode which should be located in a cool dry and high place out of the reach of children BATTERY AND CHARGER TIPS FOR MAXIMUM PERFORMANCE Your unit should be stored and charged at temperatures between 100 F 38 C and 50 F 10 C Batteries stored for long periods of time above 100 F 38 C will experience reduced life Cold temperatures will not affect the life of your battery The unit should be stored on the charging station in the charging mode Temperature effects on battery charging a 100 F 38 C to 50 F 10 C The battery will be fully charged within 24 hours b 50 F 10 C to 40 F 4 C The battery will require up to 48 hours to reach full charge c Below 40 F 4 C The battery will not reach full charge d Reduced unit run time will be experienced when the battery is not fully charged 2 Mount the wall station to a wall stud Fig 2 Secure ASSEMBLY the wall stud with the three screws provided NOTE Strong mounting is important because INSTRUCTIONS an inadequately mounted wall station could drop to the floor and cause injury or damage the trimmer ASSEMBLING AND MOUNTING THE WALL STATION Wall Stud 1 Push the barrel connector of the charger plug into the slot of the wall station Make sure the connector is secure and inserted correctly into the slot shown see inset in Fig 1 2 Slide the clamp into the slot
5. NG Do not incinerate or mutilate battery Batteries contain hazardous chemicals Dispose of properly Do not allow metal objects to contact the battery terminals Metal objects can short the battery terminals and cause permanent battery damage BATTERY DISPOSAL Take the used battery to a local authorized service dealer Do not dispose of the battery yourself OPERATING INSTRUCTIONS This trimmer has been designed and built to withstand nor mal use It will provide many hours of service provided the following operating instructions are closely adhered to A WARNING Always wear eye hearing foot and body protection to reduce the risk of injury when operating this unit STARTING STOPPING THE TRIMMER 1 Push in the safety release switch Fig 11 2 Squeeze the trigger to start the trimmer Release the trigger to stop Fig 11 A WARNING Do not invert the trimmer until the cutting head has completely stopped rotating HOLDING THE TRIMMER 1 Hold the trimmer as shown in Figure 12 Fig 12 ADJUSTING THE TRIMMING LINE LENGTH 1 Your trimmer is equipped with a Bump Head which allows the operator to release more trimming line without stopping the motor As the line becomes frayed or worn additional line can be released by lightly tapping the Bump Head on the ground Fig 13 while operating the trimmer at high speed Fig 13 Each time the head is bumped approximately 1 in
6. O THE RETAILER THIS PRODUCT IS COVERED BY ONE OR MORE OF THE US PATENTS 4 779 405 4 651 422 4 505 040 4 463 498 4 223 441 2 125 668 OTHER PATENTS PENDING 2 String Guard CONTENTS l Safety Warnings eesccesesseeeesneeeeeeeeesneeeeesneeeeenes 3 4 A Pre Operational Safety Warnings 3 B Battery Safety Warnings sess 3 C Charger Safety Warnings 3 D Operational Safety Warnings 4 E Other Safety Warnings cesseeeeeeseeeseeeeeeneeeeees 4 Il Assembly Instructions seseseseeeeee 5 7 A Assembling and Mounting the Wall Station 5 B Installing the D Handle ss 5 C Installing the String Guard sess 6 D Charging Instructions eeeseeessss 6 7 E Removing the Battery sseesssssssssss 7 F Battery Disposal eiaa aa eenaa aana aY 7 Ill Operating Instructions eee 8 9 A Starting Stopping the Trimmer 8 B Holding the Trimmer seseessseessssss 8 C Adjusting the Trimming Line Length 8 D Decorative Trimming seeeesssesseees 9 E Tips for Best Trimming Results 9 IV Maintenance and Repair Instructions 9 11 A Installi
7. RYOBI 140r CORDLESS TRIMMER OPERATOR S Never operate the trimmer without the strin the string guard in place you will void the warranty IMPORTANT MANUAL DO NOT THROW AWAY 1 INTRODUCTION THANK YOU Thank you for purchasing this quality product This mod ern power tool has been designed to provide many hours of useful service You will find it to be a great labor saving device This manual has been prepared to provide you with com mon sense operating instructions and to ensure that you will get maximum satisfaction To keep your unit in top operating condition use the maintenance and service pro cedures in this manual PRODUCT REFERENCES ILLUSTRATIONS AND SPECIFICATIONS All information illustrations and specifications in this man ual 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 1993 Ryobi Outdoor Products Inc All Rights Reserved Bump Knob and Monoflail are trademarks of Ryobi Outdoor Products Inc Battery Door D Handle Battery Housing Trigger SERVICE INFORMATION Service on this unit both within and after the warran ty period should be performed only by an authorized and approved dealer Dial 1 800 345 8746 to obtain the listing of the authorized service dealer nearest you DO NOT RETURN THE UNIT T
8. aled Lead Acid Outer Housing Aluminum Tube Cutting Head Bump Line Releaser Trimming Line Diameter 0 065 in 1 65 mm Cutting Path Diameter 8 in 208 mm 11 TROUBLESHOOTING POSSIBLE CAUSE AND CHECK BATTERY WILL NOT CHARGE Barrel Connector Has Not Been Installed Properly Charger is Not Plugged into the Wall Outlet Charger Is Not Firmly Seated in the Wall Station POSSIBLE REMEDY Insert the barrel connector as shown in Fig 1 on page 5 Plug charger into the wall outlet Check the position of the unit in the wall station MOTOR OPERATES SLOWLY OR WILL NOT OPERATE Battery Is Not Charged Foreign Matter is Caught Between Bump Head and Motor Housing CUTTING HEAD WILL NOT ADVANCE LINE Cutting Head Out of Line esse Bump Knob Inner Reel Bound Up Outer Spool Dirty Indexing Teeth Worn or Burred Line Welded 5 5 eee epe eee Line Twisted When Refilled Not Enough Line Exposed If the above remedies do not work take the Charge the battery for 36 hours before the first use 24 hours minimum between each use Remove string plastic or other foreign matter Refill with genuine replacement cutting line Replace Bump Knob inner reel Clean outer spool Replace inner reel and outer spool Disassemble remove the welded section and rewind line Disassemble and rewind reel Push the Bum
9. he existing inner reel and spring Fig 15 Inner Reel Bump Knob Spring Outer Spool 3 Check the indexing teeth on the inner reel and outer spool for wear Fig 16 If necessary deburr or replace the spool and reel 4 Use a clean cloth to clean the inner surface of the outer spool Fig 16 NOTE Always clean the the inner reel and outer spool Do not remove the bolt from the center shaft of the outer spool Indexing Fig 16 Winding the Existing Reel 1 Take approximately 20 ft 5 1 m of new trimming line insert one end of the line into the hole in the inner reel Fig 17 2 Wind the line in even and tight layers onto the reel Fig 17 Wind the line in the direction indicated on the inner reel NOTE Failure to wind the line in the direction indicated will cause the Bump Head to operate incorrectly Fig 17 10 3 Push the end of the line into one of the two holding slots Fig 18 NOTE Do not wind the line past the point indi cated on the inner reel Fig 18 Reinstalling the Reel 1 Place the spring back on the center shaft of the outer spool See Fig 15 on page 9 2 Insert the end of the line through the eyelet in the outer spool Fig 19 Fig 19 3 Grasp the end and pull firmly to release the line from the holding slot in the reel Fig 20 4 While pushing the inner reel back into the outer spool snap on the cover of the Bump Head Line installation
10. ndicator Light Fig 8 Charge the unit for a minimum of 36 hours before the first use The battery should be charged for a minimum of 24 hours between each use The trimmer s operating time and the life of the battery will be shortened if this procedure is not followed This unit is designed so that the battery cannot be overcharged Always place the unit back on the wall station immediately after use The unit should be stored at temperatures between 50 F 10 C and 100 F 37 C Batteries emit explosive gases while being charged Do not obstruct the vents on the battery case Fig 9 A WARNING Do not smoke while charging or operating the unit Keep unit away from open flames REMOVING THE BATTERY This unit is equipped with a sealed lead acid battery When the battery needs to be replaced use the following proce dure and refer to Fig 10 1 To remove the existing battery Remove the screw with a Torx screwdriver a b Lift off the battery door c Pull out the battery d Disconnect the wires from the battery 2 To install the new battery a Connect the black wire to the negative terminal and the red wire to the positive terminal b Slide the battery into the slots in the housing Be careful not to pinch the wires c Hook the back end of the battery door to the housing The two ribs should interlock see inset d Hold the door in place and install the screw A WARNI
11. ng a New Trimming Line 9 10 B Installing a Prewound Reel 11 C Cleaning the Trimmer esee 11 D Stotage iuiiii eese atrii Rue ona 11 V Replacement Parts sss 11 VI Specifications enter he ttn ars 11 VII Troubleshooting eeeseeseeeenen 12 VIII Warranty Statement esee Back page CONTENTS OF CARTON This unit should consist of the following 1 Battery housing 2 Motor assembly 3 Aluminum outer housing boom The cardboard insert should contain 1 Battery charger The plastic bag should contain Wall station with three screws Wall station clamp with one screw Black D handle with one bolt washer and wing nut String guard with two washers and screws Operator s manual Owner s registration card OP ONS Motor Assembly SAFETY WARNINGS IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS 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 IN STRUCTIONS OR WARNINGS THEY GIVE ARE NOT SUBSTITUTES FOR PROPER ACCIDENT PREVENTION MEASURES SYMBOL MEANING WARNING Failure to obey a safety warning can result in injury to yourself and others Advises you of inf
12. ormation or instructions vital to the operation or maintenance of the equipment WARNING Failure to obey a safety warning can result in injury to yourself or to others Always follow the safety precautions to reduce the risk of fire electric shock and personal injury PRE OPERATIONAL SAFETY WARNINGS 1 Read and understand this operator s manual carefully before using this unit Be thoroughly familiar with the proper use of your unit 2 Thoroughly inspect your unit for loose or damaged parts before each use If there are any loose or dam aged parts perform the needed adjustments or repairs before starting your unit 3 Keep all bystanders especially children at least 30 feet 10 m away from the work area 4 Carefully inspect the areas to be cut Remove all debris that could become entangled in the string Also remove any objects that could be thrown BATTERY WARNINGS Battery units do not have to be plugged into an elec trical outlet therefore they are always in operating condition Be aware of possible hazards when you are not using your battery unit AVOID UNINTENTIONAL STARTING Don t carry the unit with your finger on the switch USE ONLY THE CHARGER PROVIDED WITH YOUR BATTERY UNIT Do not substitute any other charger Use of another charger could cause batteries to explode causing serious injury DO NOT PLACE BATTERY UNITS OR THEIR BATTER IES NEAR FIRE OR HEAT They may explode
13. p Knob until the line is extended to the edge of the guard unit to your authorized service dealer for service or repair Do not return the unit to the retailer Rev C 6 96 Operator s Manual Part No 180407 Printed in U S A 12
14. provided Install screw Fig 1 Fig 2 INSTALLING THE D HANDLE 1 Push the D handle down over the boom Fig 3 2 Install and tighten the bolt washer and wing nut Fig 3 3 Install the screws and washers with a screwdriver INSTALLING THE STRING GUARD Fig 6 A WARNING Never operate the trimmer without the string guard installed If the unit is operated without the string guard in place you will void the warranty 1 Place the string guard onto the motor assembly Line up the small tab with the small slot and the large tab with the large slot Fig 4 Small Slot Fig 6 CHARGING Large Slot INSTRUCTIONS 1 Make sure the wall station is fastened securely to the wall stud and the charger is plugged into the wall out let 2 Insert the unit into the wall station and make sure it is firmly seated Fig 7 When the red light is on the battery is being charged Fig 8 Large Tab If the light fails to turn on check the following a Barrel connector has been properly installed into the wall station see Fig 1 on page 5 b Charger has been plugged into the wall outlet c Trimmer is firmly seated in the wall station Fig 4 2 Rotate the string guard counterclockwise to the left until the tabs line up with the screw holes and the guard locks in place Fig 5 Fig 5 Charging I
15. t stop the motor immediately and check for damage Repair any damage before further operation is attempted Do not operate the unit with loose or damaged parts DO NOT FORCE THE UNIT It will do the job better and with less likelihood of a risk of injury working at the rate for which it was designed Use the right tool Do not use your unit for any job except that for which it is intended Do not overreach Keep proper footing and balance at all times Always remain alert To prevent injury to yourself and others do not operate your unit if you are fatigued or on medication Do not extend the trimming line length beyond the length specified in this manual OTHER SAFETY WARNINGS Keep your unit in good working condition Only your authorized service dealer should perform any repair or maintenance procedures that are not described in this manual Use only original equipment manufacturer s replacement parts when servicing this unit These parts are available from your authorized service 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 and or damage to the unit Never use metal reinforced line or monofilament line that is not specifically designed for use with your model This model uses 0 06 inch 1 6 mm monofilament line STORE UNIT INDOORS When not in use the unit should be stored placed on the
16. top speed for best cutting 6 Trim only when grass and weeds are dry 7 The life of your cutting line is dependent upon following the previously stated trimming techniques as well as what is being cut and where the cutting is being done For example the line will wear faster when trimming against a foundation wall as opposed to trimming around a tree Some line breakage will occur from e Entanglement with foreign matter Normal line fatigue Attempting to cut thick stalky weeds in excess of the unit s capability e Forcing the line into objects such as walls or fenceposts MAINTENANCE AND REPAIR INSTRUCTIONS INSTALLING A NEW TRIMMING LINE The trimming line may be replaced by two different meth ods rewinding the existing reel or installing a convenient prewound reel Rewinding the Existing Reel To rewind the existing reel you must Check for the correct line size Remove the existing inner reel Wind the existing reel with the new line Reinstall the existing reel BONIS The Correct Line to Use A WARNING Always use genuine Monoflail replacement line Do not use metal reinforced line It is very important to use the correct size line Line with a diameter of 0 065 inches 1 65 mm must be used The motor may overheat or be damaged if you use a larger line Removing the Existing Reel 1 Squeeze the tabs on the Bump Head cover and remove the cover see inset in Fig 15 2 Remove t
17. ze is large enough for AC ampere rating of the charger as specified below AWG Size of Cord Feet FEET 25 50 100 150 AWG 18 18 18 16 T 10 CHARGER WARNINGS continued DO NOT OPERATE CHARGER WITH A DAMAGED CORD OR PLUG If the cord or plug is damaged replace the charger Do not operate the charger if it has received a sharp blow been dropped or damaged in any way If the charger case is damaged replace the charger Do not disassemble the charger The charger is not serviceable disassembly may result in a risk of elec tric shock or fire To reduce the risk of electric shock unplug the charg er from the outlet before attempting any maintenance or cleaning 11 Do not use charger outdoors OPERATIONAL SAFETY WARNINGS 1 To reduce the risk of injury to yourself and others 10 11 12 never operate the unit without the string guard in place Wear safety glasses or goggles at all times when operating this unit Dress properly Do not wear loose clothing or jewelry They can be caught in moving parts Use rubber gloves and substantial footwear when working outdoors Keep hands face feet and long hair away from all moving parts Do not attempt to touch or stop the string while it is rotating Always hold the unit with both hands during operation Keep a firm grip on both the front and rear handles or grips If you strike or become entangled with a foreign objec
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