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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
©
2000 Ryobi Outdoor Products, 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.
Dial:
• 1-800-345-8746 or www.ryobi.com on the world wide
web for authorized service dealers in the United States
Or
• 1-800-265-6778 in Canada to obtain the listing of the
authorized service dealer nearest you.
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
US PATENTS, OTHER PATENTS PENDING.
INTRODUCTION
2
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 . . . . . . . . . . . 5-6
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 . . . . . . . . . . . . . . . . . . 16-17
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
• Parts Manual
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.