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THANK YOU

Thank you for buying this quality product. This
modern outdoor power tool will provide many
hours of useful service. You will find it to be a
great labor-saving device. This operator’s
manual provides you with easy-to-understand
operating instructions. Read the whole manual
and follow all the instructions to keep your new
outdoor power tool in top operating condition.
The other manual that came with your power
tool, the parts manual, contains all the
information that you need to order parts.

PRODUCT REFERENCES,
ILLUSTRATIONS AND
SPECIFICATIONS 

All information, illustrations and specifications 
in this manual are based on the latest product
information available at the time of printing. We
reserve the right to make changes at any time
without notice.

Copyright© 1998 Ryobi Outdoor Products, Inc. 
All Rights Reserved.

Bump Head™ is a trademark of Ryobi Outdoor
Products.

SERVICE INFORMATION 

Service on this unit both within and after the
warranty period should be performed only by 
an authorized and approved service dealer. 
Dial: 

1-800-345-8746

in the United States or

1-800-265-6778

in Canada

to obtain the listing of the authorized service
dealer nearest you.

DO NOT RETURN THE UNIT TO THE
RETAILER.

NOTE

: PROOF OF PURCHASE WILL BE

REQUIRED FOR WARRANTY
SERVICE. 

Make sure this manual is carefully read and
understood before starting or operating this
equipment. 

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 PATENTS PENDING. 

INTRODUCTION

2

TABLE OF CONTENTS

I.

California Emission Regulations  . . . . . . . . 3

II.

Rules for Safe Operation  . . . . . . . . . . . 4-8
A. Important Safety Information  . . . . . . .4-6
B. Safety and International Symbols  . . .6-7
C. Know Your Unit  . . . . . . . . . . . . . . . . . .8

III. Assembly Instructions  . . . . . . . . . . . . 9-10

A. Installing and Adjusting D-Handle   . . . . 9
B. Installing Cutting Attachment Shield   . 10

IV. Oil and Fuel Information . . . . . . . . . . . . . 11

V.

Starting/Stopping Instructions  . . . . . . . . 12

VI. Operating Instructions  . . . . . . . . . . . 13-14

A. Holding the Trimmer  . . . . . . . . . . . . . .13
B. Adjusting Trimming Line Length  . . . . .13
C. Tips for Best Trimming Results  . . . . . .14
D. Decorative Trimming  . . . . . . . . . . . . . .14

VII. Maintenance and Repair Instructions  .14-20

A. Maintenance Schedule  . . . . . . . . . . . 15
B. Winding the Inner Reel with New Line 16
C. Installing a Prewound Reel . . . . . . . . . 16
D. Air Filter Maintenance . . . . . . . . . . 17-18
E. Removing the Air Filter/Muffler Cover   17
F. Cleaning the Air Filter  . . . . . . . . . . . . 18
G. Reinstalling the Air Filter/Muffler Cover 18
H. Carburetor Adjustment  . . . . . . . . . . . 19
I. Replacing the Spark Plug  . . . . . . . . . 20
J. Accessories and replacement parts  . . 20

VIII. Cleaning and Storage  . . . . . . . . . . . . . . 21

IX. Transporting  . . . . . . . . . . . . . . . . . . . . . .21

X.

Troubleshooting Chart  . . . . . . . . . . . . . . 22

XI. Specifications  . . . . . . . . . . . . . . . . . . . . 23

XII. Warranty  . . . . . . . . . . . . . . . . . . . . . .25-26

CONTENTS OF CARTON 

This unit should consist of the following:

• Model 766r Trimmer

D-Handle and Hardware 
String Guard and Hardware

• Bottle of 2-Cycle Oil
• Operator's Manual
• Parts Manual
• Product Registration Card

  These items may be in the hardware bag or

assembled on your unit.

Содержание 766r

Страница 1: ...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 OPERATOR S MANUAL 2 Cycle Gas Trimmer 766r...

Страница 2: ...ating this equipment 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...

Страница 3: ...ory 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 FOR QUESTIONS CALL 1 800 345...

Страница 4: ...maged in any way Make sure the cutting attachment is properly installed and securely fastened Be sure the cutting attachment shield is properly attached and positioned as recommended Failure to so can...

Страница 5: ...just the D handle to your size to provide the best grip Be sure the cutting attachment is not in contact with anything before starting the unit Use the unit only in daylight or good artificial light A...

Страница 6: ...ional symbols and pictographs that may appear on this product Read the operator s manual for complete safety assembly operating and maintenance and repair information WARNING READ OPERATOR S MANUAL Re...

Страница 7: ...here is a sharp blade on the cutting attachment shield To prevent serious injury do not touch blade CHOKE CONTROL A FULL CHOKE position B PARTIAL CHOKE position C RUN position INDICATES OIL Refer to o...

Страница 8: ...nd light weeds Decorative trimming around trees fences etc Primer Bulb Air filter Muffler Cover Fuel Cap Throttle Control Power Head Choke Lever D handle Line Cutting Blade Cutting Attachment Shaft Ho...

Страница 9: ...right Bolt Grip Wing Nut Washer Fig 3 Fig 1 Fig 2 2 Insert the shoulder bolt into the squared hole in the handle Place the washer on the bolt and screw the wing nut onto the bolt 3 Rotate the D handle...

Страница 10: ...shield with the holes in the cutting attachment Fig 4 Cutting Attachment Shield Shaft Housing Hex Lock Nut Fig 4 Fig 5 Cutting Attachment Shield Cutting Attachment 2 Place a hex lock nut into one of...

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: ...by idling 2 Put the On Off Stop Control in the OFF position Fig 7 STARTING INSTRUCTIONS WARNING Avoid accidental starting Be in the starting position when pulling the starter rope Fig 9 The operator...

Страница 13: ...ng the line into objects such as walls or fence posts ADJUSTING TRIMMING LINE LENGTH The Bump Head cutting attachment allows you to release trimming line without stopping the engine To release more li...

Страница 14: ...eing cut Where it s being cut For example the line will wear faster when trimming against a foundation wall as opposed to trimming around a tree Fig 12 DECORATIVE TRIMMING Decorative trimming is accom...

Страница 15: ...he bolt inside the Bump Knob to make sure it will move freely Replace if damaged NOTE A Bump Knob Part 153066 can be purchased from your local authorized dealer 4 Use a clean cloth to clean the the in...

Страница 16: ...er between the two lines to stop the lines from overlapping Do not overlap the ends of the line NOTE Failure to wind the line in the direction indicated will cause the cutting head to operate incorrec...

Страница 17: ...ig 14 Pg 15 Push the inner reel and outer spool together While holding the inner reel and outer spool grasp the ends and pull firmly to release the line from the holding slots in the spool 7 Hold the...

Страница 18: ...Apply enough clean SAE 30 oil to lightly coat the filter Fig 24 5 Squeeze the filter to spread and remove excess oil Fig 25 Air Filter 3 Wash the filter in detergent and water Fig 23 Rinse the filter...

Страница 19: ...The cutting attachment will be spinning during idle speed adjustments Wear protective clothing and observe all safety instructions to prevent serious personal injury If after checking the fuel mixtur...

Страница 20: ...cracked fouled or dirty spark plug Set the air gap at 0 020 in 0 5 mm using a feeler gauge Fig 27 CAUTION Do not sand blast scrape or clean electrodes Grit in the engine could damage the cylinder 4 In...

Страница 21: ...re 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 into a cont...

Страница 22: ...switch to ON Fill fuel tank Press primer bulb fully and slowly 5 7 times Use starting procedure with choke lever in the RUN position Pg 12 Drain fuel tank Add fresh fuel mixture Replace or clean the...

Страница 23: ...uretor Diaphragm All Position Starter Auto Rewind Muffler Baffled with Guard Throttle Manual Spring Return Fuel Tank Capacity 18 oz 530 ml Fuel Tank HD Polyethylene DRIVE SHAFT STRING HEAD Drive Shaft...

Страница 24: ...NOTES 24...

Страница 25: ...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 26: ...tion this warranty does not cover A Tune ups Spark Plugs Carburetor Adjustments Filters B Wear items Bump Knobs Outer Spools Cutting Line Inner Reels Starter Pulley Starter Ropes Drive Belts RYOBI res...

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