Ryobi 790r Manuel de l'opérateur

FOR QUESTIONS, CALL 1-800-345-8746 in U.S. or 1-800-265-6778 in CANADAwww.ryobi.comIMPORTANT MANUAL DO NOT THROW AWAYOPERATOR’S MANUAL2-Cycle Gas Trim

ASSEMBLY INSTRUCTIONS10INSTALLING AND ADJUSTING THE J-HANDLE1. Place the J-handle between the top andmiddle clamp pieces (Fig. 1).(4) ScrewsTop ClampJ

Install the cutting attachment shieldwhen using the unit as a grasstrimmer.WARNING: To avoid seriouspersonal injury, the cuttingattachment shield SHAL

4. Center the cutting blade on the pilot step ofthe output shaft bushing (Fig. 11).Guard MountFig. 10ASSEMBLY INSTRUCTIONS12Install the Cutting BladeW

5. Make sure that the cutting blade is centeredon the pilot step and sitting flat against theoutput shaft bushing (Fig. 12).WARNING: If the cutting bl

ASSEMBLY INSTRUCTIONS14Cutting AttachmentLocking Rod4. Remove the nut, blade retainer, and blade.Store the nut and blade together for futureuse in a s

15WARNING: Gasoline is extremelyflammable. Ignited Vapors mayexplode. Always stop the engine andallow it to cool before filling the fueltank. Do not s

STARTING/STOPPING INSTRUCTIONS164. Place the choke lever in the FULL chokeposition (A) (Fig. 19).8. If the engine does not start, repeat steps 4 throu

CAUTION: The cutting attachmentand add-ons with the Click-Link®system are to be used in the primaryhole unless stated otherwise in thespecific add-ons

HOLDING THE TRIMMERWARNING: Always wear eye,hearing, foot and body protection to reduce the risk of injury whenoperating this unit.Before operating th

TIPS FOR BEST TRIMMING RESULTS• Keep the cutting attachment parallel to theground.• Do not force the cutting attachment. Allowthe tip of the line to d

THANK YOUThank you for buying this quality product. Thismodern outdoor power tool will provide manyhours of useful service. You will find it to be agr

• Cut while swinging the upper part of yourbody from right to left.• Always release the throttle trigger and allowthe engine to return to idle speed w

MAINTENANCE AND REPAIR INSTRUCTIONS21LINE INSTALLATIONAlways use genuine Ryobi 0.095 in. (2.41 mm.)replacement line. Larger line may make theengine ov

9. Place the spring in the inner reel. Insert theends of the line through the eyelets in theouter spool and place inner reel inside theouter spool (Fi

MAINTENANCE AND REPAIR INSTRUCTIONS23Installing a Prewound Reel1. Hold the outer spool with one hand andunscrew the Bump Knob™ counterclockwise (Fig.

MAINTENANCE AND REPAIR INSTRUCTIONS246. Replace the air filter in the air filter/muffler cover (Fig. 37).NOTE: Operating the unit without the air filt

MAINTENANCE AND REPAIR INSTRUCTIONS25CARBURETOR ADJUSTMENTThe idle speed of the engine is adjustablethough the Air filter/muffler cover (Fig 41).NOTE:

MAINTENANCE AND REPAIR INSTRUCTIONS26REPLACING THE SPARK PLUGUse a Champion RDJ7Y spark plug (or equivalent). The correct air gap is 0.020 in.(0.5 mm.

CLEANING AND STORAGE27TRANSPORTING• Allow the engine to cool before transporting. • Secure the unit while transporting.• Drain the fuel tank before tr

TROUBLESHOOTING28Engine will not startEngine will not idleLow idle speedEngine will not accelerateEngine lacks power orstalls when cuttingCutting head

SPECIFICATIONS29ENGINEEngine Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air-Coole

3WARNING!SPARK ARRESTORWARNINGCALIFORNIA EMISSION REGULATIONSNOTE: For users on U.S. Forest Land and in the states of California, Maine, Oregon and Wa

NOTES30

31The California Air Resources Board and RyobiOutdoor Products (ROP), are pleased to explainthe emission control system warranty on your1995 and later

RYOBI OUTDOOR PRODUCTS warrants each newRYOBI Product for two (2) years according to thefollowing terms.This warranty extends to the original retail p

RULES FOR SAFE OPERATION4• Clear the area to be cut before each use.Remove all objects such as rocks, brokenglass, nails, wire, or string which can be

RULES FOR SAFE OPERATION5• Always stop the engine and allow it to coolbefore filling the fuel tank. Never remove thecap of the fuel tank, or add fuel,

6RULES FOR SAFE OPERATIONWHILE OPERATING WITH CUTTINGBLADE• Read and understand all safety warningsbefore operating this unit.• Always use the shoulde

7RULES FOR SAFE OPERATIONSAFETY AND INTERNATIONAL SYMBOLSThis operator's manual describes safety and international symbols and pictographs that m

8RULES FOR SAFE OPERATION• THROWN OBJECTS AND ROTATING CUTTER CAN CAUSE SEVERE INJURYWARNING: Do not operate without the cutting attachmentshield in p

On/Off Stop ControlRULES FOR SAFE OPERATION9KNOW YOUR UNITAPPLICATIONSAs a trimmer; • Cutting grass and light weeds.• Edging• Decorative trimming arou