Instruction/ maintenance manual of the product 766r Ryobi
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FOR QUESTIONS, CALL 1-800-345-8746 in U.S. or 1-800-265-6778 in CANADA www .ryobi.com IMPORT ANT MANUAL DO NOT THROW AW A Y OPERA TOR’S MANUAL 2-Cycle Gas T rimmer 766r.
THANK YOU Thank you for buying this quality product. This modern outdoor power tool will provide many hours of useful service. Y ou will find it to be a great labor -saving device. This operator’ s manual provides you with easy-to-understand operating instructions.
W ARNING! 3 SP ARK ARRESTOR W ARNING CALIFORNIA EMISSION REGULA TIONS NOTE: For users on U.S. Forest Land and in the states of California, Maine, Oregon and W ashington.
RULES FOR SAFE OPERA TION 4 • Be aware of the risk of injury to the head, hands and feet. • Clear the area to be cut befor e each use. Remove all objects such as rocks, br oken glass, nails, wire, or string which can be thrown or become entangled in the cutting attachment.
RULES FOR SAFE OPERA TION 5 • Store fuel only in containers specifically designed and approved for the storage of such materials. • Always stop the engine and allow it to cool before filling the fuel tank. Never r emove the cap of the fuel tank, or add fuel, when the engine is hot.
6 RULES FOR SAFE OPERA TION OTHER SAFETY WARNINGS • Never store the unit, with fuel in the tank, inside a building where fumes may r each an open flame or spark. • Allow the engine to cool before storing or transporting. Be sure to secur e the unit while transporting.
7 RULES FOR SAFE OPERA TION • THROWN OBJECTS AND ROT A TING CUTTER CAN CAUSE SEVERE INJUR Y WARNING: Do not operate without the cutting attachment shield in place.
RULES FOR SAFE OPERA TION 8 KNOW YOUR UNIT APPLICA TION Use this unit for; • Cutting grass and light weeds. • Decorative trimming around tr ees, fences, etc.
ASSEMBL Y INSTRUCTIONS 9 INST ALLING AND ADJUSTING THE D-HANDLE 1. Push the D-handle down onto the shaft housing so that the handle slants towards the powerhead (Fig. 1). The squared bolt hole in the handle is to the right. Bolt Grip Wing Nut W asher Fig.
ASSEMBL Y INSTRUCTIONS 10 INST ALLING THE CUTTING A TT ACHMENT SHIELD Use the following instructions if the cutting attachment shield on your unit is not installed. WARNING: Never operate the trimmer without the cutting attachment shield in place to prevent serious personal injury .
11 OIL AND FUEL INFORMA TION WARNING: Gasoline is extr emely flammable. Ignited V apors may explode. Always stop the engine and allow it to cool before filling the fuel tank. Do not smoke while filling the tank. Keep sparks and open flames at a distance from the ar ea.
ST ARTING/STOPPING INSTRUCTIONS 12 4. Place the choke lever in the FULL choke position (A) (Fig. 8). 8. If the engine does not start, repeat steps 4 through 7. NOTE: If the engine floods while trying to start, place the choke lever in the RUN position (C) .
OPERA TING INSTRUCTIONS 13 Each time the head is bumped, about 1 in. (25.4 mm.) of trimming line is released. A blade in the cutting attachment shield will cut the line to the proper length if excess line is r eleased. For best results, tap the Bump Head ™ on bar e ground or har d soil.
OPERA TING INSTRUCTIONS 14 TIPS FOR BEST TRIMMING RESUL TS • The correct angle for the cutting attachment is parallel to the ground. • Do not force the cutting attachment. Allow the tip of the line to do the cutting (especially along walls). Cutting with more than the tip will reduce cutting ef ficiency and may overload the engine.
MAINTENANCE AND REP AIR INSTRUCTIONS 15 LINE INST ALLA TION Always use genuine Ryobi 0.080 in. (2.03 mm.) replacement line. Lar ger line may make the engine overheat or fail. WARNING: Do not use metal reinfor ced line. There ar e two methods to replace the trimming line.
MAINTENANCE AND REP AIR INSTRUCTIONS 16 8. Place the spring in the inner reel. NOTE: The spring must be assembled on the inner reel befor e reassembling the cutting attachment. 9. Insert the ends of the line through the eyelets in the outer spool and place inner reel inside the outer spool (Fig.
MAINTENANCE AND REP AIR INSTRUCTIONS 17 Installing a Prewound Reel 1. Hold the outer spool with one hand and remove the Bump Knob ™ by turning it counterclockwise (Fig. 13, Pg. 15). Inspect the bolt inside the Bump Knob ™ to make sure it will move fr eely .
MAINTENANCE AND REP AIR INSTRUCTIONS 18 6. Replace the air filter in the air filter/muffler cover (Fig. 22). NOTE: Operating the unit without the air filter and air filter/muffler cover assembly , will VOID the warranty . Reinstalling the Air Filter/Muffler Cover 1.
MAINTENANCE AND REP AIR INSTRUCTIONS 19 CARBURETOR ADJUSTMENT The idle speed of the engine is adjustable through the Air filter/Muf fler cover (Fig. 26). NOTE: Careless adjustments can seriously damage your unit. An authorized service dealer should make carburetor adjustments.
MAINTENANCE AND REP AIR INSTRUCTIONS 20 REPLACING THE SP ARK PLUG Use a Champion RDJ7Y spark plug (or equivalent). The correct air gap is 0.020 in. (0.5 mm.) . Remove the plug after every 50 hours of operation and check its condition. 1. Stop the engine and allow it to cool.
CLEANING AND STORAGE 21 TRANSPORTING • Allow the engine to cool before transporting. • Secure the unit while transporting. • Tighten fuel cap before transporting. CLEANING WARNING: T o avoid serious personal injury , always tur n your trimmer off and allow it to cool before you clean or do any maintenance on it.
TROUBLESHOOTING 22 Engine will not start Engine will not idle Low idle speed Engine will not accelerate Engine lacks power or stalls when cutting Cutting head will not advance line Ignition switch is .
SPECIFICA TIONS 23 ENGINE Engine T ype . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air -Cooled , 2-Cycle Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NOTES 24.
25 The California Air Resources Board and Ryobi Outdoor Products (ROP), are pleased to explain the emission control system warranty on your 1995 and later small off-road engine. In California, new small off-road engines must be designed, built and equipped to meet the State's stringent anti-smog standards.
R YOBI OUTDOOR PRODUCTS warrants each new R YOBI 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.
An important point after buying a device Ryobi 766r (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Ryobi 766r yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Ryobi 766r - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Ryobi 766r you will learn all the available features of the product, as well as information on its operation. The information that you get Ryobi 766r will certainly help you make a decision on the purchase.
If you already are a holder of Ryobi 766r, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Ryobi 766r.
However, one of the most important roles played by the user manual is to help in solving problems with Ryobi 766r. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Ryobi 766r along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
