50r 12 Volt Battery Trimmer OPERATOR’S MANUAL FOR QUESTIONS, CALL 1-800-345-8746 in U.S. or 1-800-265-6778 in CANADA www.ryobi.
INTRODUCTION 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-understand operating instructions. Read the whole manual and follow all the instructions to keep your new outdoor power tool in top operating condition.
RULES FOR SAFE OPERATION The purpose of safety symbols is to attract your attention to possible dangers. The safety symbols, and their explanations, 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. DANGER: Failure to obey a safety SYMBOL safety warning can result in injury to yourself and others.
RULES FOR SAFE OPERATION SAFETY WARNINGS FOR BATTERY TRIMMERS • Battery tools do not have to be plugged into an electrical outlet; therefore, they are always in operating condition. Be aware of possible hazards, such as cutting attachment, even when tool is not operating. • Use only the charging stand provided with your unit. Do not substitute any other charging stand. Use of another charging stand could promote batteries to explode causing possible serious injury.
RULES FOR SAFE OPERATION • 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. • Battery tools do not have to be plugged into an electrical outlet; therefore, they are always in operating condition.
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. • SHARP BLADE WARNING: There is a sharp blade on the cutting attachment shield. To prevent serious injury, do not touch blade.
ASSEMBLY INSTRUCTIONS This unit is completely assembled. However, some adjustments may be required to provide safe and easy use for the operator. It is suggested that you mount the charging unit per instructions and allow the unit to charge for at least 36 hours prior to first use. MOUNTING THE CHARGING STATION Since this unit may stay on the charging station continuously without overcharging, it is suggested that the charging station be in a place where the unit is intended to be stored.
OPERATING INSTRUCTIONS CHARGING THE UNIT Make sure the charging station is securely fastened to a wall and the charger is plugged into a working wall outlet. See Mounting the Charging Station. Allow the unit to charge for at least 36 hours prior to first use. 1. Slide the unit down into the charging station until it is firmly seated (Fig. 5). The barrel connector in the charging station will insert into the unit. See Replacing the Charger if it does not. 2.
OPERATING INSTRUCTIONS HOLDING THE TRIMMER WARNING: Always wear eye, hearing, foot and body protection to reduce the risk of injury when operating this unit. WARNING: To prevent serious injury, do not carry the unit with your finger on the trigger. Before operating the unit, stand in in the operating position (Fig. 7) and check for the following: 1. Operator wearing eye protection and proper clothing. 2. Right arm slightly bent, hand holding battery housing grip. 3.
OPERATING INSTRUCTIONS TO ADJUST TRIMMING LINE LENGTH 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 trimming head on the ground (Fig. 10) while operating the trimmer. NOTE: Always keep the trimming line fully extended. Line release becomes more difficult as cutting line becomes shorter.
MAINTENANCE AND REPAIR INSTRUCTIONS WARNING: Battery tools do not Winding the Inner Reel with New Line have to be plugged into an electrical outlet; therefore, they are always in operating condition. To prevent serious personal injury, take extra precautions and care when performing maintenance, service or for changing the cutting attachment or other attachments. To rewind the existing reel you must: 1. Check for the correct line size. 2. Remove the existing reel and spring. 3.
MAINTENANCE AND REPAIR INSTRUCTIONS 4. Check the indexing teeth on the inner reel and outer spool for wear (Fig. 13). If necessary, remove burrs or replace the reel and spool. Indexing Teeth Fig. 15 Reinstalling the Reel and Spring Fig. 13 Winding the Existing Reel 1. Take approximately 12 feet (3.6 m) of new trimming line, insert one end of the line into the hole in the inner reel (Fig. 14). 2. Wind the line, in even and tight layers, onto the reel (Fig. 14).
MAINTENANCE AND REPAIR INSTRUCTIONS REPLACING THE CHARGER Use the following if the charger, barrel connector or cord becomes damage, or if the barrel connector is not connecting to the unit properly. CAUTION: Only use the type of charger specified for this unit. Any other type may cause damage to the unit, batteries and possible injury. Fig. 17 INSTALLING A PREWOUND REEL Always use genuine replacement line. Using larger line then the unit is designed for may make the motor overheat or fail. 1.
MAINTENANCE AND REPAIR INSTRUCTIONS BATTERY PACK REPLACEMENT This requires some disassembly of the unit. If you feel unsure or unqualified to perform this, take the unit to an authorized service center. NOTE: If the battery requires replacing, we recommend that this be done by an authorized service center. If you choose to replace the battery, use the following instructions. To Remove the Battery Pack Refer to fig. 19 on the following page. 1.
MAINTENANCE AND REPAIR INSTRUCTIONS Left Battery Housing Housing Screws (11) Battery Cushions (5) Red Wire (Positive +) Charging Indicator Light Black Wires (Negative -) Overload Protection Switch Battery Pack Lock-Off Button Trigger Steps Trigger Switch Motor Wires Right Battery Housing Motor Wires Housing Tube Charger Connection Fig.
CLEANING AND STORAGE CLEANING THE UNIT STORING THE UNIT WARNING: Battery tools do not have to be plugged into an electrical outlet; therefore, they are always in operating condition. To prevent serious personal injury, take extra precautions and care when performing maintenance, cleaning or servicing the unit. • Do not use any strong detergents on the plastic housing or the handle. They can be damaged by certain aromatic oils such as pine and lemon, and by solvents such as kerosene.
SPECIFICATIONS BATTERY, MOTOR & CUTTING ATTACHMENT Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Volt DC, 15 Amps Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Sealed Lead-Acid, 12 Volt Motor Wire Housing Tube . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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.