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OPERATOR’S MANUAL
30cc String Trimmers and Brushcutters
RY30020A, RY30040A, and RY30060A
SS30
RY30040A
CS30
RY30020A
BC30
RY30060A
Your new trimmer has been engineered and manufactured to Ryobi’s high standard for dependability, ease of operation,
and operator safety. Properly cared for, it will give you years of rugged, trouble-free performance.
WARNING: To reduce the risk of injury, the user must read and understand the operator’s manual before
using this product.
Thank you for buying a Ryob
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TABLE OF CONTENTS n Introduction ..................................................................................................................................................................... 2 �n General Safety Rules....................................................................................................................................................... 3 �n Specific Safety Rules ..............................................................................................
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GENERAL SAFETY RULES �n To avoid hot surfaces, never operate the unit with the WARNING: bottom of the engine above waist level. �n Do not touch area around the muffler or cylinder of the Read and understand all instructions. Failure to follow all unit, these parts get hot from operation. instructions listed below may result in electric shock, fire and/or serious personal injury. n Always stop the engine and remove the spark plug wire before making any adjustments or repairs except for car
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SPECIFIC SAFETY RULES released. Maintain proper control until the blade has SPECIFIC SAFETY RULES FOR TRIMMER completely stopped rotating. USE n Replace any blade that has been damaged. Always make n Replace string head if cracked, chipped, or damaged sure blade is installed correctly and securely fastened in any way. Be sure the string head or blade is properly before each use. Failure to do so can cause serious installed and securely fastened. Failure to do so can cause injury. serious
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SYMBOLS Some of the following symbols may be used on this tool. Please study them and learn their meaning for safe operation of this product. SYMBOL NAME EXPLANATION Safety Alert Symbol Precautions that involve your safety. To reduce the risk of injury, user must read and under- Read the Operator’s Manual stand operator’s manual before using this product. Wear eye protection which is marked to comply Wear
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SYMBOLS The following signal words and meanings are intended to explain the levels of risk associated with this product. SYMBOL SIGNAL MEANING DANGER: Indicates an imminently hazardous situation, which, if not avoided, will result in death or serious injury. WARNING: Indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury. CAUTION: Indicates a potentially hazardous situation, which, if not avoided, may result in minor or moderate injury.
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FEATURES PRODUCT SPECIFICATIONS Weight - (without fuel) CS30 (RY30020A) ................................................................................................................................10.7 lbs. (4.9 kg.) SS30 (RY30040A) ................................................................................................................................12.1 lbs. (5.4 kg.) BC30 (RY30060A) ..................................................................................
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FEATURES SS30 STARTER GRIP AND ROPE (RY30040A) REAR HANDLE TRIGGER LOCK PRIMER BULB COUPLER THROTTLE TRIGGER DRIVE SHAFT HOUSING FRONT HANDLE STRING HEAD KNOB STRAIGHT SHAFT GRASS DEFLECTOR Fig. 1b BC30 STARTER GRIP AND ROPE (RY30060A) REAR HANDLE TRIGGER LOCK “J” HANDLE PRIMER BULB COUPLER THROTTLE TRIGGER DRIVE SHAFT HOUSING KNOB BLADE SHOULDER HARNESS BRUSHCUTTER GUARD Fig. 1c Page 8
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FEATURES KNOW YOUR STRING TRIMMER GRASS DEFLECTOR See Figures 1a - 1c. The trimmer includes a grass deflector that helps protect you from flying debris. Before attempting to use this product, familiarize yourself with all operating features and safety rules. TOP-MOUNTED MOTOR ERGONOMIC DESIGN The top-mounted motor improves balance and is located away from the dust and debris of the cutting area. The design of the trimmer provides for easy handling. It is designed for comfort and ease of gras
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ASSEMBLY INSTALLING THE POWER HEAD TO THE STRING TRIMMER ATTACHMENT SHAFT See Figure 2. COUPLER GUIDE WARNING: RECESS Never install or adjust any attachment while power head is running. Failure to stop the engine can cause serious BUTTON personal injury. The attachment connects to the power head by means of a coupler device. n Loosen the knob on the coupler of the power head shaft and remove the end cap from the attachment. POSITIONING n Push in the button located on the attachment shaf
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ASSEMBLY ATTACHING THE FRONT HANDLE - CS30 AND SS30 See Figure 4. FRONT HANDLE LOCK n Remove the front handle, bolt, flat washer, lock washer, WASHER and wing nut from the Operator’s Kit. WING n Install the front handle onto the top side of the drive shaft NUT housing and move it to a comfortable position. n Place the bolt through the front handle. NOTE: The hex bolt head fits inside the hex recess molded into one side of the handle. n Install the flat washer, lock washer, and wing nut
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ASSEMBLY ATTACHING THE GRASS DEFLECTOR HEX GRASS SCREW DEFLECTOR WARNING: The line cutting blade on the grass deflector is sharp. Avoid contact with the blade. Failure to avoid contact can result in serious personal injury. BRACKET TO ATTACH THE CURVED SHAFT GRASS LOCK DEFLECTOR - CS30 WASHER See Figure 6. n Press the grass deflector onto the bottom of the curved shaft as shown. n Insert the hex screw through the grass deflector and the FLAT bracket on the curved shaft. WASHER WING NUT
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ASSEMBLY ATTACHING THE SHOULDER HARNESS - LATCH BC30 See Figure 9. n Connect the latch on the shoulder harness to the strap hanger. n Adjust the strap to a comfortable position. STRAP HANGER CONVERTING FROM BRUSHCUTTER TO STRING TRIMMER - BC30 To convert from the brushcutter to the string trimmer, remove SHOULDER the blade and brushcutter guard, attach the straight shaft HARNESS grass deflector and install the string head. Fig. 9 ® REMOVING THE TRI-ARC BLADE AND BRUSHCUTTER GUARD See Fig
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ASSEMBLY REMOVING THE STRAIGHT SHAFT GRASS GEAR HEAD DEFLECTOR AND STRING HEAD FLANGED WASHER See Figures 10 - 13. n Align the slot in the flanged washer with the slot in the STRING HEAD gear head. ASSEMBLY n Place the gear head locking tool through the slot in the flanged washer and gear head. n Remove the string head assembly. SLOT n Remove the flanged washer and retain it for the blade installation. n Remove the screw securing the grass deflector. n Remove the grass deflector. NOTE:
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OPERATION FUELING AND REFUELING THE TRIMMER WARNING: FUEL MIXTURE To avoid burns from hot surfaces, never operate unit with This product is powered by a 2-cycle engine and requires the bottom of the engine above waist level. pre-mixing gasoline and 2-cycle oil. Pre-mix unleaded gaso- line and 2-cycle engine oil in a clean 1 gallon container ap- Hold the trimmer with your right hand on the rear handle and proved for gasoline. your left hand on the front handle. Keep a firm grip with both Reco
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OPERATION CURVED SHAFT TRIMMER WARNING: Always hold the string trimmer away from the body keep- DANGEROUS ing clearance between the body and the product. Any CUTTING AREA DIRECTION OF contact with the housing or string trimmer cutting head can ROTATION result in burns and/or other serious personal injury. TO ADVANCE THE CUTTING LINE String advance is controlled by tapping the string head on grass while running engine at full throttle. n Run engine at full throttle. n Tap the spool retainer
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OPERATION n Inspect and clear the area of any hidden objects such as OPERATING THE BRUSHCUTTER glass, rocks, concrete, fencing, wire, wood, metal, etc. See Figures 19 - 20. n Never use blades near sidewalks, fencing, posts, build- Hold the brushcutter with your right hand on the rear handle ings or other immovable objects. and the your hand on the “J” Barrier Handle. Keep a firm grip with both hands while in operation. Brushcutter should n Never use a blade after hitting a hard object witho
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OPERATION STARTING AND STOPPING See Figures 21 - 23. TO START A COLD ENGINE: DO NOT squeeze the throttle trigger until the engine starts and runs. n Lay the trimmer on a flat, bare surface. n PRIME - Press the primer bulb 7 times. n SET the start lever to the START position. n PULL the rope until the engine starts. IGNITION n Allow the engine to run for 15 seconds. SWITCH n Squeeze trigger lock and throttle trigger. PRIMER BULB NOTE: Squeezing the throttle trigger releases the start lever
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MAINTENANCE WARNING: When servicing, use only identical Ryobi replacement parts. Use of any other parts may create a hazard or cause product damage. SPOOL WARNING: RETAINER Always wear safety goggles or safety glasses with side Fig. 24 shields during tool operation. If operation is dusty, also SPRING wear a dust mask. WARNING: SLOTS Before inspecting, cleaning, or servicing the machine, shut off engine, wait for all moving parts to stop, and disconnect spark plug wire and move it away from
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MAINTENANCE To install the spool retainer: n Turn the spool retainer clockwise for model CS30. Turn SPRING SPOOL the spool retainer counterclockwise for models SS30 and BC30. ARROWS ON n Pull the strings again to rotate the spool into cutting SPOOL position. Push the spool retainer down while pulling on string(s) to manually advance the string and to check for proper assembly of the string head. ANCHOR STRING REPLACEMENT HOLE See Figures 26 - 28. Use only monofilament string. Use original
