Ryobi 990r manual Introduction, Table Of Contents, Thank You, Service Information

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.

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