Related Manuals for Oregon 480RT
Summary of Contents for Oregon 480RT
- Page 1 Original Instruction Manual ROTARY TILLER Models 480RT, 600RT and 720RT OregonProducts.com...
- Page 2 INTRODUCTION Introduction Read this manual before operating your Oregon equipment. The information presented will prepare you to do a better and safer job. Keep this manual handy for ready reference. Require all operators to read this manual carefully and become acquainted with all adjustment and operating procedures before attempting to operate. Replacement manuals can be obtained from your dealer.
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Page 3: Table Of Contents
Disassemble Shipping Unit Preparation Assembly Procedures Operation Maintenance Parts Index Storage Oregon 480RT Rotary Tiller Assembly Safety & Instructional Decals Oregon 600RT & 720RT Rotary Tiller Assembly 1042364 Slip Clutch Drive Assembly Operation 480RT Tiller 1042365 Slip Clutch Drive Assembly Attaching Rotary Tiller To Tractor 600RT &... -
Page 4: Explanation Of Signal Words
EXPLANATION OF SIGNAL WORDS Explanation of Signal Words This section contains safety information for the Oregon Rotary Tiller. Throughout this manual, the terms DANGER, WARNING, and CAUTION are used in conjunction with the Safety-Alert Symbol (a triangle with an exclamation mark) to indicate the degree of hazard for items of personal safety. -
Page 5: Specifications
SPECIFICATIONS Specifications Oregon 480RT Rotary Tiller Oregon 600RT Rotary Tiller Oregon 720RT Rotary Tiller Manufacturer material number OR48RT-1 OR60RT-1 OR72RT-1 Tilling Width 47" 59" 71" Maximum Tilling Depth 7" 7" 7" Operating Weight 502 lbs/507 lbs 570 lbs/578 lbs 628 lbs/636 lbs Rotor Swing Diameter 15"... -
Page 6: Safety Rules
SAFETY RULES Safety Rules ATTENTION! Become alert! Your safety is involved! Safety is a primary concern in the design and manufacture of our products. Unfortunately, our efforts to provide safe equipment can be wiped out by an operator’s single careless act. In addition to the design and configuration of equipment, hazard control and accident prevention are dependent upon the awareness, concern, judgment, and proper training of personnel involved in the operation, transport, maintenance and storage of equipment. -
Page 7: Operation
SAFETY RULES • A minimum 20% of tractor and equipment weight must be on the tractor front wheels when attachments are in transport position. Without this weight, front tractor wheels could raise up resulting in loss of steering. The weight may be attained with front wheel weights, ballast in tires, front tractor weights or front loader. -
Page 8: Maintenance
SAFETY RULES • Never go underneath equipment (lowered to the ground or raised) unless it is properly blocked and secured. Never place any part of the body underneath equipment or between moveable parts even when the engine has been turned off. -
Page 9: Safety & Instructional Decals
SAFETY & INSTRUCTIONAL DECALS Safety & Instructional Decals ATTENTION! Become alert! Your safety is involved! Replace immediately if damaged! USA FLAG 2 - SHIELD REMOVED FOR DECAL VISIBILITY 1 - Serial Number Plate 2 - PN 18868 3 - PN 18866 WARNING DANGER MODEL # XXXXXX... - Page 10 SAFETY & INSTRUCTIONAL DECALS 6 - PN 55122 7 - PN 1002941 8 - PN 1004299 WARNING WARNING WARNING TO AVOID SERIOUS INJURY OR DEATH: Read Operator's Manual before operating, servicing or repairing equipment. Follow all safety rules and instructions. (Manuals are available from dealer or call 1-800-319-6637.) CRUSHING AND Operate from tractor seat only.
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Page 11: Operation
OPERATION Operation The RT rotary tiller is designed for completion of plowing • Before dismounting power unit or performing any service or maintenance, follow these steps: disengage operations and seedbed preparation. It breaks up clods, power to equipment, lower the 3-point hitch and all levels the soil surface, destroys weeds, and mixes in raised components to the ground, operate valve levers fertilizer. -
Page 12: Driveline Attachment
OPERATION NOTICE If the PTO driveline is too long, severe driveline and gearbox damage is possible when hooking up the PTO driveline from the rotary tiller to the tractor. The front PTO driveline is long enough to fit a variety of tractors. -
Page 13: Shortening Driveline
OPERATION Shortening Driveline 5. Cut the upper shield to this overall dimension 1. Move the tiller up and down to get the shortest possible distance between tractor PTO shaft and gearbox input shaft. Leave the tiller in the minimum distance position. Install jack stands under the tiller for support. -
Page 14: Working Depth Adjustment
Below is a chart which outlines the tractor width that can be paired with a tiller. Tiller Model Offset Tractor Width 480RT 3" 54" 600RT 2.25" 64.5" 720RT 2.25"... -
Page 15: Operating Procedure
OPERATION Operating Procedure 600RT OFFSET 60" 30" WARNING 3" OFFSET • Only engage power when equipment is at ground operating level. Always disengage power when equipment is raised off the ground. • Read and understand the rotary tiller and tractor operator's manuals before operating the tiller. -
Page 16: Operating Techniques
OPERATION Transportation NOTICE Do not drop tiller to the ground with the rotor turning. Sudden high speed jolts multiply stress to the WARNING driveline and can cause extreme damage. A minimum 20% of tractor and equipment weight must be on the tractor front wheels when attachments Operating Techniques are in transport position. -
Page 17: Pre-Operation Check List
OPERATION Pre-Operation Check List (Owner's Responsibility) Review and follow all safety rules and safety decal instructions on page 6 through page 10. Check that all safety decals are installed and in good condition. Replace if damaged. Check that all shields and guards are properly installed and in good condition. -
Page 18: Owner Service
OWNER SERVICE Owner Service CAUTION The information in this section is written for operators who possess basic mechanical skills. If you need help, your • If you do not understand any part of this manual and dealer has trained service technicians available. For your need assistance, see your dealer. -
Page 19: Lubrication Information
OWNER SERVICE Lubrication Information NOTICE 1. Do not let excess grease collect on or around parts, Replacement bearings should be only high quality particularly when operating in sandy areas. original equipment bearings for longer life. 2. See Figure 14 for lubrication points and frequency Install new complete bearing housing if needed or just of lubrication based on normal operating conditions. - Page 20 10. If excessive slippage continues, check lining plates for excessive wear. They are .12" thick for the 480RT tiller and .14" thick for the 600RT and 720RT tillers. They should be replaced when there is only .05"...
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Page 21: Cleaning
OWNER SERVICE Cleaning Blade Installation After Each Use Four Blade Installation • Remove large debris such as clumps of dirt, grass, crop 1. Remove any burrs on flanges generated from blades that residue, etc. from machine. have slipped. • Inspect machine and replace worn or damaged parts. 2. -
Page 22: Troubleshooting
TROUBLESHOOTING Troubleshooting PROBLEM POSSIBLE CAUSE SOLUTION Rotor will not turn. Tractor PTO not engaged. Check control lever or tractor manual for resetting PTO. Clutch friction discs worn. Check and replace. Obstruction between rotor and frame. Check and clear obstruction. Gearbox damaged. Check that output shaft rotates. -
Page 23: Dealer Service
DEALER SERVICE Dealer Service The information in this section is written for dealer service Seal Installation personnel. The repair described here requires special skills NOTE: Proper seal installation is important. An improperly and tools. If your shop is not properly equipped or your installed seal will leak. -
Page 24: Universal Joint Repair
DEALER SERVICE Universal Joint Repair NOTICE 1. Yoke Distortion to seal cage or damage to seal lip will 2. Cup and bearing cause seal to leak. 3. Snap ring 4. Journal cross 5. Reinstall drain plug and remove fill plug. Fill gearbox with SAE 80W or 90W gear lube until it runs out the level plug. - Page 25 DEALER SERVICE U-Joint Assembly 3. Clamp cup in vise as shown in Figure 21 and tap on yoke to completely remove cup from yoke. Repeat Step 2 and 1. Place seals securely on bearing cups. Insert cup into yoke Step 3 for opposite cup. from outside and press in with hand pressure as far as possible.
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Page 26: Assembly
ASSEMBL Y Assembly Assembly Procedures It is important to follow all of the instructions below related to assembly. Please read the entire section and ensure you Required tools: 1/2", 9/16", 3/4", 1-1/8", and 13 mm understand all of the required steps. If you need any help, combination wrenches, sockets, torque wrench, and or if parts are missing, please contact your Oregon dealer jack stands. - Page 27 ASSEMBL Y 38 39 PART DESCRIPTION 2472 5/16 Lock washer 44638 1/4 Proof coil chain, 16 link 1043901 Right mast plate 3379 1/2 NC x 1-1/2 HHCS 1043902 Left mast plate 6100 1/2 NC x 1-1/4 HHCS 33661 Cat 1 mounting pin 25475 1/2 NC x 1 HHCS 1002048...
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Page 28: Parts Index
PARTS INDEX Parts Index Oregon 480RT Rotary Tiller Assembly 58 - COMPLETE SAFETY DECAL SET MAST PLATES INSTALLED TO INSIDE OF DECK RUNNERS HEX SHIELD INSTALLED TO INSIDE OF MOUNTS ON RT48 HEX SHIELD INSTALLED TO OUTSIDE OF MOUNTS ON RT42... - Page 29 1031976 RT Tiller safety decal set (not shown) 3231 * 3/8 NC x 2 HHCS, GR5 630709 Decal, Model 480RT, OREGON 14350 * 3/8 NC flange lock nut HHCS: Hex Head Cap Screw * Standard Hardware, Obtain Locally W73163 *...
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Page 30: Oregon 600Rt & 720Rt Rotary Tiller Assembly
PARTS INDEX Oregon 600RT & 720RT Rotary Tiller Assembly 58 - COMPLETE SAFETY DECAL SET MAST PLATES INSTALLED TO INSIDE OF DECK RUNNERS HEX SHIELD INSTALLED TO INSIDE OF MOUNTS 16, 37 17, 17A, 17B 38, 39, 40 47, 50 BLADE ORIENTATION FORWARD ROTATION... - Page 31 PARTS INDEX QTY 600RT 720RT DESCRIPTION QTY 600RT 720RT DESCRIPTION PART PART PART PART 1042319 1042319 Side drive assembly (see page 34) 839* 839 * 3/8 NC x 1 HHCS, GR5 1042304 1042304 Gearbox assembly, 1.46:1 1.50 H019 H019 Lock pin, 3/8 x 2-1/4 hex (see page 35) 1043088 1043088...
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Page 32: 1042364 Slip Clutch Drive Assembly 480Rt Tiller
PARTS INDEX 1042364 Slip Clutch Drive Assembly 480RT Tiller 12 11 16 8 QTY PART DESCRIPTION QTY PART DESCRIPTION 1042364 Complete 540 driveline and clutch assembly Clutch spring Complete collar yoke 1-3/8-6 spline 57260* M10 x 1.5P nylon lock nut... -
Page 33: 1042365 Slip Clutch Drive Assembly 600Rt & 720Rt Tillers
PARTS INDEX 1042365 Slip Clutch Drive Assembly 600RT & 720RT Tillers 16 8 QTY PART DESCRIPTION QTY PART DESCRIPTION 1042365 Complete 540 driveline and clutch assembly W307208* M10 x 1.5P x 85, HHCS Complete collar yoke 1-3/8-6 spline Clutch spring 1044050 Lock collar repair kit 57260*... -
Page 34: Tiller Side Drive Assembly
PARTS INDEX Tiller Side Drive Assembly 23, 32 22, 23 23, 34 22, 23 QTY PART DESCRIPTION QTY PART DESCRIPTION Plate, side drive 838 * 3/8 lock washer Housing, bearing, input 6100 * 1/2 NC x 1-1/4 HHCS, GR5 Spacer, 88 x 94.5 x 9.2 855 * 1/2 Lock washer —... -
Page 35: 1042304 Gearbox Assembly
PARTS INDEX 1042304 Gearbox Assembly 23, 25 19-22 QTY PART DESCRIPTION QTY PART DESCRIPTION 1042304 Gearbox assembly 1.46:1 1.50 hex Key, 14 x 9 x 33 mm Gearbox housing 1043976 Shim kit, 85.3 x 94.7; 35.5 x 48 39325 3/8 vent plug Input shaft &... -
Page 36: Bolt Torque Chart
BOLT TORQUE CHART Bolt Torque Chart Always tighten hardware to these values unless a different torque value or tightening procedure is listed for a specific application. Fasteners must always be replaced with the same grade as specified in the manual parts list. Always use the proper tool for tightening hardware: SAE for SAE hardware and Metric for metric hardware. -
Page 37: Metric Series Torque Chart
BOLT TORQUE CHART Metric Series Torque Chart Metric Bolt Head Identification Metric Metric Grade 8.8 Grade 10.9 Coarse Thread Fine Thread Marking on Head Marking on Head Diameter & Diameter & Metric 8.8 Metric 10.9 Metric 8.8 Metric 10.9 Thread Pitch Thread Pitch (Millimeters) Wrench Size... -
Page 38: Bolt Size Chart
BOLT SIZE CHART Bolt Size Chart NOTICE Chart shows bolt thread sizes and corresponding head (wrench) sizes for standard SAE and metric bolts. SAE Bolt Thread Sizes 5/16 10mm 12mm 14mm 16mm 18mm Metric Bolt Thread Sizes Abbreviations Agriculture HHCS Hex Head Cap Screw ORBM O-Ring Boss - Male... -
Page 39: Limited Warranty
LIMITED WARRANTY Limited Warranty This 3-point implement is guaranteed to be free from defects in material and workmanship for the normal service life of the product not to exceed 12 consecutive months from the date of purchase. • Oregon will repair or replace at Oregon’s sole discretion, free of charge, any part or parts of the 3-point implement that are judged to be defective in material or workmanship during the limited warranty period stated above. - Page 40 Oregon Tool, Inc. 4909 SE International Way Portland, Oregon 97222 USA 800-525-8322 OregonProducts.com 627836 AC 12/21...