INTRODUCTIONTHANK 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.

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© 2002 MTD SOUTHWEST INC All Rights Reserved.

SERVICE INFORMATION

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

•Call 1-800-345-8746in the United States, or

1-800-668-1238in Canada, to obtain a list of authorized service dealers near you

Or

•Go to www.RyobiOutdoor.com on the World Wide Web for a list of authorized service dealers

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 US PATENTS, OTHER PATENTS PENDING.

To view and print a complete parts list, go to our web site, www.RyobiOutdoor.com. Or, you can request a copy by calling 1-800-345-TRIM(1-800-345-8746). Please have the unit model and serial number when calling.

TABLE OF CONTENTS

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

II. Rules for Safe Operation . . . . . . . . . . . . . . . . . . . . . 4-7 A. Important Safety Information . . . . . . . . . . . . . . . . . 4 B. Safety and International Symbols . . . . . . . . . . . . . 5 C. Know Your Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

III. Assembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . 8 A. Assembling the Unit . . . . . . . . . . . . . . . . . . . . . . . . 8 B. Positioning the Handlebars . . . . . . . . . . . . . . . . . . 8 C. Installing the Wheel Bracket Assembly . . . . . . . . . 8

IV. Oil and Fuel Information . . . . . . . . . . . . . . . . . . . . 9-10

V. Starting/Stopping Instructions . . . . . . . . . . . . . . 10-11

VI. Operating Instructions . . . . . . . . . . . . . . . . . . . . . . .

12

A. Operating Tips . . . . . . . . . . . . . . . . . . . . . . . . . . .

12

B. Adjusting Tine Depth . . . . . . . . . . . . . . . . . . . . . .

12

VII. Maintenance and Repair Instructions . . . . . . . . . 13-18 A. Maintenance Schedule . . . . . . . . . . . . . . . . . . . . 13 B. Tine Removal and Replacement . . . . . . . . . . . . . 13 C. Checking the Oil Level . . . . . . . . . . . . . . . . . . . . . 14 D. Changing the Oil . . . . . . . . . . . . . . . . . . . . . . . . . 14 E. Air Filter Maintenance . . . . . . . . . . . . . . . . . . . . . 15 F. Carburetor Adjustment . . . . . . . . . . . . . . . . . . . . 16 G. Rocker Arm Clearance . . . . . . . . . . . . . . . . . . . . . 16 H. Replacing the Spark Plug . . . . . . . . . . . . . . . . . . 18 I. Spark Arrestor Maintenance . . . . . . . . . . . . . . . . 18 J. Accessories/Replacement parts . . . . . . . . . . . . . 18

VIII. Cleaning and Storage . . . . . . . . . . . . . . . . . . . . . . . . 19

A. Cleaning the Unit . . . . . . . . . . . . . . . . . . . . . . . . . 19

B. Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

C. Long Term Storage . . . . . . . . . . . . . . . . . . . . . . . 19

D. Transporting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

IX. Troubleshooting Chart . . . . . . . . . . . . . . . . . . . . . . . 20

X. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

XI. Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-24

CONTENTS OF CARTON

This unit includes the following:

•Model 510r Garden Cultivator with Handlebars

•Wheel Bracket Assembly (located in top insert)

•Hardware Pack

•Bottle of 4-Cycle Oil

•Operator's Manual

•Product Registration Card

Examine all parts to make certain that nothing is missing and no breakage has occurred during shipping. Any damaged or missing part must be replaced before using this product.

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