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MAINTENANCE AND REPAIR INSTRUCTIONS

17

FREQUENCY

MAINTENANCE REQUIRED

REFER TO:

Before Starting Engine

Fill fuel tank with correct oil and fuel mixture.

Page 11

Every 10 Hours

Clean and re-oil air filter.

Page 20

Every 50 Hours

Check spark plug condition and gap.

Page 22

NOTE:

Some maintenance procedures may require 
special tools or skills. If you are unsure about
these procedures take your unit to an authorized
service dealer. 

MAINTENANCE SCHEDULE

These required maintenance procedures should be 
performed at the frequency stated in the table. They
should also be included as part of any seasonal tune-up.

WARNING:

To prevent serious personal

injury, never do maintenance or repairs with
unit running. Always do maintenance and
repairs on a cool unit. Disconnect spark plug
wire to ensure the unit will not start.

Fig. 21

Fig. 23

Fig. 22

LINE INSTALLATION

Always use genuine Ryobi 0.080 inch (2.03 mm.) 
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
become a dangerous projectile. 

There are two methods to replace the trimming line.

• Wind the inner reel with new line

• Install a prewound inner reel

NOTE:

Replacement line Part # 610375, or a prewound
reel, Part # 153577 can be purchased from your
local authorized dealer.

Winding the Existing Inner Reel

1. Hold the outer spool with one hand and unscrew the

Bump Knob™ 

counterclockwise 

(Fig. 21). Inspect

the bolt inside the Bump Knob™ to make sure it
moves freely. Replace the Bump Knob™ if damaged.

NOTE:

A Bump Knob™, Part # 153066 can be 
purchased from your local authorized dealer.

4. Use a clean cloth to clean the inner reel, spring,

shaft, and inner surface of the outer spool (Fig. 23).

2. Remove the inner reel from the outer spool (Fig. 22). 

3. Remove spring from the inner reel (Fig. 22).

NOTE:

An inner reel spring, Part # 610317 can be 
purchased from your local authorized dealer.

Inner Reel

Outer Spool

Spring

Bump Knob™

Shaft

Содержание 770rEB

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 26: ...NOTES 26...

Страница 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...

Страница 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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