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TABLE OF CONTENTS
© Oregon Tool, Inc. Pricing and specifications subject to change without notice.
All rights reserved. Oregon® is a trademark of Oregon Tool, Inc. in the United States and/or in other countries.
Table of Contents
Explanation of Signal Words . . . . . . . . . .4
Specifications . . . . . . . . . . . . . . . . . . .5
General Information . . . . . . . . . . . . . . .5
Safety Rules. . . . . . . . . . . . . . . . . . . .6
Training 6
Preparation 6
Operation 7
Maintenance 8
Storage 8
Safety & Instructional Decals . . . . . . . . . .9
Operation . . . . . . . . . . . . . . . . . . . . 11
Attaching Rotary Tiller To Tractor 11
Driveline Attachment 12
Shortening Driveline 13
Working Depth Adjustment 14
Tiller Offset 14
Operating Procedure 15
Operating Techniques 16
Transportation 16
Storage 16
Pre-Operation Check List 17
Owner Service . . . . . . . . . . . . . . . . . 18
Blocking Method 18
Lubrication Information 19
PTO Drive Lines 19
Qualified Technician Maintenance 19
Cleaning 21
Blade Installation 21
Troubleshooting . . . . . . . . . . . . . . . . 22
Dealer Service . . . . . . . . . . . . . . . . . 23
Gearbox Maintenance 23
Universal Joint Repair 24
Assembly . . . . . . . . . . . . . . . . . . . . 26
Set-Up Instructions 26
Disassemble Shipping Unit 26
Assembly Procedures 26
Parts Index . . . . . . . . . . . . . . . . . . . 28
Oregon 480RT Rotary Tiller Assembly 28
Oregon 600RT & 720RT Rotary Tiller Assembly 30
1042364 Slip Clutch Drive Assembly
480RT Tiller 32
1042365 Slip Clutch Drive Assembly
600RT & 720RT Tillers 33
Tiller Side Drive Assembly 34
1042304 Gearbox Assembly 35
Bolt Torque Chart. . . . . . . . . . . . . . . .36
SAE Series Torque Chart 36
Metric Series Torque Chart 37
Bolt Size Chart . . . . . . . . . . . . . . . . . 38
Abbreviations . . . . . . . . . . . . . . . . . .38
Limited Warranty . . . . . . . . . . . . . . . .39