INTRODUCTION

TABLE OF CONTENTS

THANK YOU

Thank you for purchasing this quality product. This modern outdoor power tool has been designed to provide you with 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-under- stand operating instructions. Read the entire manual and follow all of the instructions to keep your new power tool in top operating condition.

The other manual that came with your power tool, the parts manual, contains all of the information that you need to order parts.

PRODUCT REFERENCES, ILLUSTRA- TIONS AND SPECIFICATIONS

All information, illustrations and specifications in this man- ual 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.

SERVICE INFORMATION

Service on this power equipment within and after the warranty period can be performed by any Ryobi Authorized Service Dealer.

Dial 1-800-345-8746in the United States and

1-800-265-6778in Canada to obtain the listing of servicing dealers in your area.

DO NOT RETURN UNIT TO RETAILER.

NOTE: PROOF OF PURCHASE WILL BE

REQUIRED FOR WARRANTY

SERVICE.

MAKE SURE THIS MANUAL IS READ AND CAREFULLY UNDERSTOOD BEFORE START- ING OR OPERATING THIS EQUIPMENT.

I.

California Emission Regulations

3

II.

Safety Warnings

3-6

 

A. Safety Warnings for Brush Blade

4

 

B. Safety and International Symbols

5-6

III.

Assembly Instructions

7-10

 

A. Adjusting the J-Handle

7

 

B. Installing the Shoulder Strap

7

 

C. Installing the Brush Blade

8

 

D. Installing the Line Spool

9

 

E. Operating Split Boom Coupler

10

IV.

Oil and Fuel Information

11-12

V.

Starting/Stopping Instructions

13

VI.

Operating Instructions

14

 

A. Adjusting the Trimming Line Length

14

 

B. Decorative Trimming

14

 

C. Using the Brush Blade

14

VII.

Maintenance and Repair Instructions

15-24

 

A. Maintenance Schedule

15

 

B. Line Installation

16-17

 

C. Gear Housing Service

18

 

D. Air Filter Maintenance

19

 

E. Carburetor Adjustment

20-21

 

F. Inspecting/Cleaning the Muffler

21-22

 

G. Replacing the Spark Plug

23

 

H. Checking/Adjusting Valve Clearance

23-24

VIII. Cleaning and Storage

25

IX.

Specifications

25

X.

Troubleshooting Chart

26

XI.

California Emission Control Warranty Statement

....27

XII.

Warranty

28

California Proposition 65 Warning:

THIS PRODUCT IS COVERED BY ONE OR MORE OF THE US PATENTS LISTED BELOW: 5,241,932; 5,176,116; 4,779,405; 4,651,422; 4,589,742; 4,505,040; 4,463,498; 4,356,605; 4,342,235; 4,223,441. OTHER PATENTS PENDING.

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 state 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 arrester, maintained in effective working order. 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 factory-equipped with a spark arrester. The replacement part number for the spark arrester is 180890.

2

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Ryobi 990r manual Introduction Table of Contents
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990r specifications

The Ryobi 990R is a powerful and versatile cordless tool that has gained popularity among both DIY enthusiasts and professional users alike. Designed to offer convenience and efficiency, this innovative unit is equipped with a range of features that cater to different applications.

One of the standout characteristics of the Ryobi 990R is its powerful motor. With a robust design, it delivers ample torque and speed, enabling users to tackle a variety of tasks, from cutting through tough materials to drilling precise holes. The motor is powered by a high-capacity lithium-ion battery, which is known for its longevity and quick recharge time. This ensures that users can work longer without frequent interruptions, making the 990R an ideal choice for demanding projects.

Another notable feature of the Ryobi 990R is its ergonomic design. Lightweight and easy to maneuver, the unit minimizes user fatigue, especially during extended use. The integrated rubber grip offers enhanced comfort and control, allowing for greater precision when working on intricate tasks. This commitment to user comfort makes it suitable for both novice and experienced users.

The 990R also incorporates advanced technology that enhances its performance. The unit features variable speed settings, allowing users to adjust the tool’s speed according to the task at hand, whether it’s a delicate job or a high-powered application. Additionally, the tool is equipped with a built-in LED light that illuminates the work area, ensuring visibility in dimly lit spaces and improving overall accuracy.

For added versatility, the Ryobi 990R is compatible with a wide range of attachments and accessories. This allows users to customize the tool according to their specific needs, whether they require a drill, sander, or impact driver. The quick-change chuck system further enhances efficiency, enabling users to switch between accessories in seconds.

Durability is another defining characteristic of the Ryobi 990R. Constructed with high-grade materials, it is designed to withstand demanding working conditions without compromising performance. This resilience is crucial for professionals who rely on their tools for everyday use.

In summary, the Ryobi 990R stands out in the crowded tool market due to its powerful motor, ergonomic design, advanced technologies, and durability. Whether for home improvement projects or professional applications, it offers reliability and performance that users can trust. As Ryobi continues to innovate, the 990R remains a solid choice for anyone looking to enhance their toolkit.
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