Ryobi 770rEB Operator'S Manual Download Page 3

CALIFORNIA EMISSION REGULATIONS

3

SPARK ARRESTOR

WARNING!

RULES FOR SAFE OPERATION

NOTE: For users on U.S. Forest Land and in the states of California, Maine, Oregon and Washington.

All U.S. Forest

Land and the states of California (Public Resources Codes 4442 and 4443), Oregon and Washington require, by law that
certain internal combustion engines operated on forest brush and/or grass-covered areas be equipped with a spark
arrestor, maintained in effective working order, or the engine be constructed, equipped and maintained for the prevention
of fire. Check with your state or local authorities for regulations pertaining to these requirements. Failure to follow these
requirements could subject you to liability or a fine. 

This unit is not factory equipped with a spark arrestor.

If these

items are required in your area, ask your LOCAL SERVICE dealer to install the 

Optional Accessory Part #180030 Spark

Arrestor Kit.

This unit meets the 1995 to 1998 California emissions regulations for small off-road engines. These units are identified by
the label on the engine of your product. A typical identification label is shown.

To ensure that your unit continues to meet these regulations, refer to the following information and instructions in this
operator’s manual.

Read the Operator’s Manual(s) and follow all warnings and safety instructions. Failure to do so can
result in serious injury to the operator and/or bystanders.

WARNING

California Proposition 65 Warning:

THE ENGINE EXHAUST FROM THIS PRODUCT

CONTAINS CHEMICALS KNOWN TO THE STATE

OF CALIFORNIA TO CAUSE CANCER, BIRTH

DEFECTS OR OTHER REPRODUCTIVE HARM.

FOR QUESTIONS, CALL 1-800-345-8746 IN U.S. OR 1-800-265-6778 in CANADA

The purpose of safety symbols is to attract your 
attention to possible dangers. The safety symbols, 
and their explanations, deserve your careful attention
and understanding. The safety warnings do not by 
themselves eliminate any danger. The instructions or
warnings they give are not substitutes for proper 
accident prevention measures.

SYMBOL

MEANING

SAFETY ALERT SYMBOL:

Indicates 

danger, warning, or caution. Attention is
required in order to avoid serious personal
injury. May be used in conjunction with 
other symbols or pictographs. 

NOTE:

Advises you of information or instructions vital to
the operation or maintenance of the equipment.

DANGER:

Failure to obey a safety warning

will result in serious injury to yourself or to
others. Always follow the safety precautions
to reduce the risk of fire, electric shock, and
personal injury.

WARNING:

Failure to obey a safety warning

can result in injury to yourself and others.
Always follow the safety precautions to
reduce the risk of fire, electric shock, and
personal injury. 

CAUTION:

Failure to obey a safety warning

may result in property damage or personal
injury to yourself or to others. Always follow
the safety precautions to reduce the risk of
fire, electric shock, and personal injury.

Summary of Contents for 770rEB

Page 1: ...770rEB 2 Cycle Gas Trimmer Edger Blower OPERATOR S MANUAL FOR QUESTIONS CALL 1 800 345 8746 in U S or 1 800 265 6778 in CANADA www ryobi com IMPORTANT MANUAL DO NOT THROW AWAY...

Page 2: ...ment THIS PRODUCT IS COVERED BY ONE OR MORE OF THE US PATENTS LISTED BELOW 5 076 149 4 901 682 4 779 405 4 651 422 4 505 040 4 463 498 4 369 742 4 342 236 4 223 441 2 125 688 D 249 012 D 239 329 OTHER...

Page 3: ...can result in serious injury to the operator and or bystanders WARNING California Proposition 65 Warning THE ENGINE EXHAUST FROM THIS PRODUCT CONTAINS CHEMICALS KNOWN TO THE STATE OF CALIFORNIA TO CAU...

Page 4: ...e engine is hot Never operate the unit without the fuel cap securely in place Loosen the fuel tank cap slowly to relieve any pressure in the tank IMPORTANT SAFETY INFORMATION Mix and add fuel in a cle...

Page 5: ...ause injury while it continues to spin after the engine is stopped or the throttle control is released Maintain proper control until the blade has completely stopped rotating Do not run the unit at hi...

Page 6: ...RVICE INFORMATION CALL USA 1 800 345 8746 CANADA 1 800 265 6778 WEAR EYE AND HEARING PROTECTION WARNING Thrown objects and loud noise can cause severe eye injury and hearing loss Wear eye protection m...

Page 7: ...CHOKE CONTROL A FULL CHOKE position B PARTIAL CHOKE position C RUN position BLOWERS AND BLOWER VACUUMS ROTATING IMPELLER BLADES CAN CAUSE SEVERE INJURY WARNING Stop the engine and allow the impeller...

Page 8: ...On Cleaning driveways porches around walls fences etc Handle Hardware Primer Bulb Hanger Height Adjustment Wheel Air Intakes Air Output Edger Blade Air filter Muffler Cover Fuel Cap Throttle Control P...

Page 9: ...lamp Nuts 2 While holding the three pieces together install the four 4 screws through the top clamp and into middle clamp NOTE The holes in the top and middle clamp will line up only when assembled co...

Page 10: ...ttachment Align the screw holes in the shield with the holes in the cutting attachment Fig 4 Screws Shaft Housing Hex Lock Nut Cutting Attachment Shield Cutting Attachment 2 Place a hex lock nut into...

Page 11: ...g Blended Fuels If you choose to use a blended fuel or its use is unavoidable follow recommended precautions Always use fresh fuel mix per your operator s manual Use the fuel additive STA BIL or an eq...

Page 12: ...Avoid accidental starting Be in the starting position when pulling the starter rope Fig 9 The operator and unit must be in a stable position while starting to avoid serious personal injury Avoid serio...

Page 13: ...cutting attachment or add on straight out of the Click Link coupler Installing the Cutting Attachment or Add Ons WARNING To avoid serious personal injury shut unit off before removing or installing ad...

Page 14: ...utting to the left improves the unit s cutting efficiency Clippings are thrown away from the operator Slowly move the trimmer into and out of the cutting area at the desired height Move either in a fo...

Page 15: ...straight and the hand is holding the handle The unit is at waist level The edger wheel adjusted for proper cut depth and edger positioned as shown in Fig 16 ADJUSTING EDGER CUTTING DEPTH 1 Loosen the...

Page 16: ...reshly washed cars and blow debris away After using blowers and other equipment CLEAN UP Dispose of debris in trash receptacles HOLDING THE UNIT WITH SWEEPER BLOWER ADD ON WARNING Always wear eye hear...

Page 17: ...replacement line Line other than specified may make the engine overheat or fail WARNING To prevent serious personal injury never use metal reinforced line wire or rope etc These can break off and bec...

Page 18: ...attachment 7 Wind the lines in tight even layers onto the reel Fig 26 Wind the line in the direction indicated on the inner reel Place your index finger between the two lines to stop the lines from ov...

Page 19: ...the housing until it has cooled 1 Line up the hole in output shaft with the locking rod slot Insert the locking rod through the slot into the output shaft hole Fig 29 2 While holding the locking rod l...

Page 20: ...will VOID the warranty 1 Remove air filter muffler cover See Removing the Air filter Muffler Cover 2 Remove the air filter from behind the air filter muffler cover Fig 34 Fig 33 AIR FILTER MAINTENANCE...

Page 21: ...r and adjusting the idle speed screw should solve most engine problems If not and The engine will not idle The engine hesitates or stalls on acceleration There is a loss of engine power have the carbu...

Page 22: ...cked fouled or dirty spark plug Set the air gap at 0 020 in 0 5 mm using a feeler gauge Fig 39 CAUTION Do not sand blast scrape or clean electrodes Grit in the engine could damage the cylinder 4 Insta...

Page 23: ...ed area Store the unit out of the reach of children LONG TERM STORAGE If the unit will be stored for an extended time use the following storage procedure 1 Drain all fuel from the fuel tank and drain...

Page 24: ...mpty fuel tank Fill fuel tank with properly mixed fuel Primer bulb wasn t pressed enough Press primer bulb fully and slowly 5 7 times Engine flooded Use starting procedure with choke lever in the RUN...

Page 25: ...530 ml Fuel Tank HD Polyethylene ENGINE DRIVE SHAFT and CUTTING ATTACHMENT Drive Shaft Housing Steel Tube Click Link Throttle Control Finger Tip Trigger Unit Weight No fuel with cutting attachment cut...

Page 26: ...NOTES 26...

Page 27: ...he engine or equipment is delivered to the retail purchaser The manufacturer warrants to the initial owner and each subsequent purchaser that the engine is free from defects in material and workmanshi...

Page 28: ...ial or workmanship will be repaired or replaced by an authorized RYOBI service dealer without charge for parts and labor The RYOBI Product including any defective part must be returned to an authorize...

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