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Your new trimmer has been engineered and manufactured to our 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 your purchase.
SAVE THIS MANUAL FOR FUTURE REFERENCE
OPERATOR'S MANUAL
30cc Fuel Injected String Trimmers
and Brushcutters
CS30
RY30520
RY30921
SS30
RY30540
RY30941
BC30
RY30560
RY30961
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Table of Contents
Troubleshooting
Related Manuals for Ryobi RY30520
Summary of Contents for Ryobi RY30520
- Page 1 To reduce the risk of injury, the user must read and understand the operator’s manual before using this product. Thank you for your purchase. SAVE THIS MANUAL FOR FUTURE REFERENCE OPERATOR’S MANUAL 30cc Fuel Injected String Trimmers and Brushcutters CS30 RY30520 RY30921 SS30 RY30540 RY30941 BC30 RY30560 RY30961...
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Page 2: Table Of Contents
Introduction ... 2 General Safety Rules ... 3 Specific Safety Rules ... 4 Symbols ... 5-6 Features ... 7-9 Assembly ... 9-14 Operation ... 14-18 Maintenance ... 19-21 Troubleshooting ... 22-23 ... -
Page 3: General Safety Rules
WARNING: Read and understand all instructions. Failure to follow all instructions listed below may result in electric shock, fire and/or serious personal injury. READ ALL INSTRUCTIONS For safe operation, read and understand all instructions before using this product. Follow all safety instructions. Failure to follow all safety instructions listed below, can result in serious personal injury. -
Page 4: Specific Safety Rules
SPECIFIC SAFETY RULES FOR TRIMMER Replace string head if cracked, chipped, or damaged in any way. Be sure the string head or blade is properly installed and securely fastened. Failure to do so can cause serious injury. Make sure all guards, straps, deflectors, and handles are properly and securely attached. -
Page 5: Symbols
Some of the following symbols may be used on this product. Please study them and learn their meaning for safe operation of this product. SYMBOL Safety Alert Read the Operator’s Manual Wear Eye and Hearing Protection Keep Bystanders Away Ricochet 50' 15m No Blade Blade Thrust... -
Page 6: Symbols
To avoid serious personal injury, do not attempt to use this product until you read thoroughly and understand com- pletely the operator’s manual. If you do not understand the warnings and instructions in the operator’s manual, do not use this product. Call Ryobi customer service for assistance. -
Page 7: Features
PRODUCT SPECIFICATIONS Weight - (without fuel) CS30 ...10.7 lbs. SS30 ...12.1 lbs. BC30 ...12.9 lbs. String cutting width CS30 ...17 in. SS30 ...18 in. BC30 ...18 in. Blade cutting width BC30 ...8 in. Engine displacement ...30cc String diameter CS30 ..080 in. SS30 ... - Page 8 FEATURES STARTER GRIP SS30 AND ROPE REAR HANDLE TRIGGER LOCK PRIMER BULB COUPLER THROTTLE TRIGGER DRIVE SHAFT HOUSING FRONT HANDLE STRING HEAD KNOB STRAIGHT SHAFT GRASS DEFLECTOR Fig. 1b STARTER GRIP BC30 AND ROPE REAR HANDLE TRIGGER LOCK “J” HANDLE PRIMER BULB COUPLER...
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Page 9: Assembly
KNOW YOUR STRING TRIMMER See Figures 1a - 1c. The safe use of this product requires an understanding of the information on the product and in this operator’s manual as well as a knowledge of the project you are attempting. Before use of this product, familiarize yourself with all op- erating features and safety rules. -
Page 10: Assembly
INSTALLING THE POWER HEAD TO THE ATTACHMENT See Figure 2. WARNING: Never install, remove, or adjust any attachment while power head is running. Failure to stop the engine can cause serious personal injury. The attachment connects to the power head by means of a coupler device. - Page 11 ATTACHING THE FRONT HANDLE SS30 See Figure 4. Remove 2 wing nuts, 2 bolts, and clamp from the front handle. Install the front handle onto the top side of the drive shaft housing and move it to a comfortable position. ...
- Page 12 ATTACHING THE GRASS 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. TO ATTACH THE CURVED SHAFT GRASS DEFLECTOR CS30 − See Figure 6. ...
- Page 13 ATTACHING THE SHOULDER HARNESS BC30 See Figure 9. Connect the latch on the shoulder harness to the strap hanger. Adjust the strap to a comfortable position. CONVERTING FROM BRUSHCUTTER TO STRING TRIMMER BC30 − To convert from the brushcutter to the string trimmer, remove the blade and brushcutter guard, attach the straight shaft grass deflector and install the string head.
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Page 14: Operation
REMOVING THE STRAIGHT SHAFT GRASS DEFLECTOR AND STRING HEAD See Figures 10 - 13. Align the slot in the flanged washer with the slot in the gear head. Place the gear head locking tool through the slot in the flanged washer and gear head. -
Page 15: Operating The Trimmer
FUELING AND REFUELING THE TRIMMER FUEL MIXTURE This product is powered by a 2-cycle engine and requires pre-mixing gasoline and 2-cycle oil. Pre-mix unleaded gasoline and 2-cycle engine oil in a clean 1 gallon container approved for gasoline. Recommended fuel: This engine is certified to operate on unleaded gasoline intended for automotive use. - Page 16 WARNING: Always hold the string trimmer away from the body keep- ing clearance between the body and the product. Any contact with the housing or string trimmer cutting head can 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.
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Page 17: Operating The Brushcutter
WARNING: To avoid burns from hot surfaces, never operate unit with the bottom of the engine above waist level. OPERATING THE BRUSHCUTTER See Figures 19 - 20. Hold the brushcutter with your right hand on the rear handle and your left hand on the “J” Handle. Keep a firm grip with both hands while in operation. -
Page 18: Operation
OPERATION STARTING AND STOPPING IGNITION See Figures 21 - 22. SWITCH Lay the trimmer on a flat, bare surface. Press the primer bulb 7 times. Pull the starter grip until the engine starts. TRIGGER Squeeze the trigger to run. LOCK TO STOP THE ENGINE: Press and hold the switch in the stop “... -
Page 19: Maintenance
WARNING: When servicing, use only identical replacement parts. Use of any other parts may create a hazard or cause product damage. WARNING: Always wear safety goggles or safety glasses with side shields during product operation. If operation is dusty, also wear a dust mask. WARNING: Before inspecting, cleaning, or servicing the machine, shut off engine, wait for all moving parts to stop, and... -
Page 20: String Replacement
To install the spool retainer: Turn the spool retainer clockwise for model CS30. Turn the spool retainer counterclockwise for models SS30 and BC30. Pull the strings again to rotate the spool into cutting 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. - Page 21 CLEANING THE EXHAUST PORT AND MUFFLER Depending on the type of fuel used, the type and amount of oil used, and/or your operating conditions, the exhaust port, muffler, and/or spark arrestor screen may become blocked with carbon deposits. If you notice a power loss with this gas-powered product, you may need to remove these deposits to restore performance.
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Page 22: Troubleshooting
Problem Engine will not start. No spark. No fuel. Engine is flooded. Engine does not reach full Incorrect oil/fuel mixture. speed and emits excessive Air filter is dirty. smoke. Spark arrestor screen is dirty. Spark plug fouled. Engine star ts, runs, and Idle speed screw on carburetor accelerates but will not idle. -
Page 23: Warranty
5 Hours Every 25 Hours or Yearly CALL US FIRST For any questions about operating or maintaining your product, call the Ryobi Your product has been fully tested prior to shipment to ensure your complete satisfaction. Solution Clean Every Replace Every... - Page 24 Blower Fans, Blower and Vacuum Tubes, Vacuum Bag and Straps, Guide Bars, Saw Chains Techtronic Industries North America, Inc., reserves the right to change or improve the design of any RYOBI outdoor product without assuming any obligation to modify any product previously manufactured.
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Page 25: Warranty
Where a warrantable condition exists, Techtronic Industries North America, Inc., will repair your non-road or small off-road engine at no cost to you, including diagno- sis, parts, and labor performed at an authorized service center for RYOBI outdoor products. MANUFACTURER’S WARRANTY COVERAGE: This product’s emissions control system is warranted for two years. - Page 26 • HOW TO ORDER REPAIR PARTS When ordering repair parts, always give the following information: • MODEL NUMBER • SERIAL NUMBER Ryobi is a registered trademark of Ryobi Limited used under license. ® TECHTRONIC INDUSTRIES NORTH AMERICA, INC. 987000-031 9-26-06 (REV:00) OPERATOR’S MANUAL...