Ryobi RY30921 manual

Y our new trimmer has been engineered and manufactured to our high standar d for dependability , ease of operation, and operator safety . Properly car ed for , it will give you years of rugged, trouble-free performance. WARNING: T o reduce the risk of injury , the user must r ead and understand the operator’ s manual befor e using this product. S[...]

2  Introduction ..................................................................................................................................................................... 2 �  General Safety Rules ......................................................................................................................................[...]

3 GENERAL SAFETY RULES WARNING: Read and understand all instructions. Failur e to foll ow all instructions listed below may result in electric shock, fir e and/or serious personal injury . READ ALL INSTRUCTIONS  For safe operation, r ead and understand all instructions before using this product. Follow all safety instructions. Failure to follow [...]

4 SPECIFIC SAFETY RULES SPECIFIC SAFETY RULES FOR TRIMMER USE  Replace string head if cracked, chipped, or damaged in any way . Be sure the string head or blade is pr operly installed and securely fastened. Failur e to do so can cause serious injury .  Make sure all guards, straps, deflectors, and handles are properly and secur ely attached. [...]

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 NAME EXPLANA TION Safety Alert Precautions that involve your safety . Read the Operator’ s Manual T o reduce the risk of injury , user must read and under - stand operator’ s manual before usi[...]

6 SYMBOLS SERVICE Servicing r equires extreme care and knowledge and should be performed only by a qualified service technician. For service we suggest you r etur n the product to your near est AUTHORIZED SERVICE CENTER for repair . When servic- ing, use only identical replacement parts. WARNING: SA VE THESE INSTRUCTIONS WARNING: T o avo id seri ou[...]

7 FEA TURES PRODUCT SPECIFICA TIONS W eight - (without fuel) CS30 ..................................................................................................................................................................10.7 lbs. SS30 ...........................................................................................................[...]

8 FEA TURES Fig. 1b Fig. 1c THROTTLE TRIGGER FRONT HANDLE COUPLER DRIVE SHAFT HOUSING STRING HEAD STRAIGHT SHAFT GRASS DEFLECTOR THROTTLE TRIGGER “J” HANDLE COUPLER DRIVE SHAFT HOUSING BLADE BRUSHCUTTER GUARD SHOULDER HARNESS KNOB KNOB BC30 SS30 REAR HANDLE REAR HANDLE ST ARTER GRIP AND ROPE ST ARTER GRIP AND ROPE PRIMER BULB PRIMER BULB TRIGGE[...]

9 WARNING: If any parts ar e damaged or missing do not operate this product until the parts ar e replaced. Failur e to heed this warning could result in serious personal injury . WARNING: Do not attempt to modify this product or create acces- sories not recommended for use with this product. Any such altera tion or modificat ion is misuse and could[...]

10 INST ALLING THE POWER HEAD TO THE A TT ACHMENT 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.  Loosen the knob on the coupler of the power head shaft and re[...]

11 A TT ACHING THE FRONT HANDLE − CS30 AND SS30 See Figure 4.  Remove 2 wing nuts, 2 bolts, and clamp from the fr ont handle.  Install the front handle onto the top side of the drive shaft housing and move it to a comfortable position.  Place the bolts through the fr ont handle. NOTE: The hex bolt head fits inside the hex recess molded i[...]

12 A TT ACHING 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 A TT ACH THE CURVED SHAFT GRASS DEFLECTOR − CS30 See Figure 6.  Remove hex screw , flat washer , lock washer , and wing nut from grass deflector . [...]

13 A TT ACHING THE SHOULDER HARNESS − BC30 See Figure 9.  Connect the latch on the shoulder har ness to the strap hanger .  Adjust the strap to a comfortable position. CONVERTIN G FROM BRUSHCUTTER TO STRING TRIMMER − BC30 T o conver t fr om the brush cutt er to the stri ng trimme r , r emov e the blade and brushcutter guard, attach the st[...]

14 ASSEMBL Y 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.  Remove the string head assembly .  Remove the flanged washer and retain it for the bl[...]

15 FUELING AND REFUELING THE TRIMMER FUEL MIXTURE This product is power ed 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.[...]

16 WARNING: Always hold the string trimmer away from the body keep- ing clearance between the body and the product. Any con ta ct wi th the housi ng or st rin g tr imm er cutti ng head can result in burns and/or other serious personal injury . TO ADV ANCE THE CUTTING LINE String advance is contr olled by tapping the string head on grass while runni[...]

17  Inspect and clear the ar ea of any hidden objects such as glass, rocks, concr ete, fencing, wire, wood, metal, etc.  Never use blades near sidewalks, fencing, posts, build- ings or other immovable objects.  Never use a blade after hitting a har d object without first inspecting it for damage. Do not use if any damage is detected.  T[...]

18 OPERA TION ST ARTING AND STOPPING See Figures 21 - 22.  Lay the trimmer on a flat, bare surface.  Press the primer bulb 7 times.  Pull the starter grip until the engine starts.  Squeeze the trigger to run. TO STOP THE ENGINE: Press and hold the switch in the stop “ ” position until the engine stops. Fig. 22 Fig. 21 THROTTLE TRIGG[...]

19 MAINTENANCE Fig. 23 SPOOL RET AINER Fig. 24 SPRING SLOTS STRING HEAD EYELETS SHAFT  Remove the empty spool from the string head. Keep the spring attached to the spool.  T o install the new spool, make sure the two strings are captured in the slots opposite each other on the new spool. Make sure the ends of each string are extended approxim[...]

20 T o install the spool retainer:  T ur n the spool retainer clockwise for model CS30. T urn the spool retainer counter clockwise 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 [...]

21 MAINTENANCE CLEANING THE EXHAUST POR T 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[...]

22 TROUBLESHOOTING IDLE SPEED SCR EW Pr oblem Possible Cause Solution Engin e will not s tar t. No spark. No fuel. Engine is flooded. C h e c k s p a r k . R e m o v e s p a r k p l u g . R e a t t a c h t h e s p a r k p l u g c a p a n d l a y s p a r k p l u g o n m e t a l cy lin der. Pu ll t he r ope a nd wa tch f or s par k a t s pa rk plu g [...]

23 TROUBLESHOOTING EMISSIONS MAINTENANCE SCHEDULE AND WARRANTED P ARTS LIST Emissions Parts Inspect Before Clean Every Replace Clean Every Replace Every Each Use 5 Hours Every 25 Hours 25 Hours 50 Hours or Y early or Y early CA T AL YST MUFFLER ASSEMBL Y ...............................................................................................[...]

24 W ARRANTY LIMITED WARRANTY ST A TEMENT T echtronic Industries North America, Inc., warrants to the original retail purchaser that this RYOBI ® brand outdoor product is free from defect in material and workmanship and agrees to repair or replace, at T echtronic Industries North America, Inc.’ s, discretion, any defective product free of char g[...]

25 W ARRANTY THE FOLLO WIN G CALI FOR NIA AIR RESO URC ES BOA RD (CARB) ST A TEMEN T ONL Y APPLI ES TO MODEL NUMBE RS REQUIRED TO MEET THE CARB REQUIREMENTS. The U.S. Environmental Protection Agency (EP A), the California Air Resources Board (CARB), and T echtronic Industries North America, Inc., are pleased to explain the Emissions Control System [...]

TECHTRONIC INDUSTRIES NOR TH AMERICA, INC. 1428 Pearman Dairy Road Anderson, SC 29625 Phone 1-800-860-4050 www .ryobitools.com • SERVICE Now that you have purchased your product, should a need ever exist for repair parts or service, simply contact your nearest Authorized Service Center . Be sure to provide all pertinent facts when you call or vis[...]