Operator s Manual. Manufacturing, Inc. Three-Section Folding Drill SN S S /9/ M-A

Transcription

1 Operator s Manual SN S S-3000 Three-Section Folding Drill Manufacturing, Inc. Read the operator s manual entirely. When you see this symbol, the subsequent instructions and warnings are serious - follow without exception. Your life and the lives of others depend on it! Cover illustration may show optional equipment not supplied with standard unit. Copyright 2001 Printed 11/9/ M-A

2 Table of Contents Great Plains Mfg., Inc. Table of Contents Important Safety Information Introduction Description of Unit Intended Usage Using This Manual Owner Assistance Section 1 Drill Preparation and Setup Leveling the Drill Tractor Drawbar Hookup Tractor Hydraulic Hookup Safety Lights Acre Meter Bleeding the Hydraulic Systems Section 2 Operating Instructions Lifting Folding Unfolding Transporting Parking Setting the Bypass Valve Field Operation Fertilizer Box Operation Marker Operation Double Selector Valves Shaft Monitor Operation Point-Row Operation Section 3 Adjustments Seeding Adjustment Seed Rate Calibration Seed Rate Charts (pounds per acre) Fertilizer Adjustment Fertilizer Rate Calibration Fertilizer Meter Rate Charts Seeding Depth Series Opener Down Pressure Series Opener Adjustments Series Opener Frame Adjustments Series Disk Scraper Adjustment Series Seed-Lok Lock Up Bleeding Marker Hydraulic System Dual Markers Speed Adjustment Single Marker Speed Adjustment Transport Carrier Marker Chain Disk Adjustment Breakaway Protection Seed and Fertilizer Capacity Section 4 Troubleshooting Section 5 Maintenance and Lubrication.. 51 Maintenance Storage Lubrication Section 6 Options S-3000 Flat Folding Marker Series Seed Lok Firming Wheel S-3000 Feed Cup Plugs S-3000 Shaft Monitors Two Outlet Tractor Hydraulic Kit S-3000 Dual Gauge Wheels S-3000F Offset Box Divider Point-Row Clutches Section 7 Specifications and Capacities.. 63 Section 8 Appendix Tire Inflation Chart Torque Values Chart Chain Routings Hydraulic Schematics Warranty Copyright 2001 All rights Reserved Great Plains Manufacturing, Inc. provides this publication as is without warranty of any kind, either expressed or implied. While every precaution has been taken in the preparation of this manual, Great Plains Manufacturing, Inc. assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein. Great Plains Manufacturing, Inc. reserves the right to revise and improve its products as it sees fit. This publication describes the state of this product at the time of its publication, and may not reflect the product in the future. Great Plains Manufacturing, Incorporated Trademarks The following are trademarks of Great Plains Mfg., Inc.: Application Systems, Ausherman, Land Pride, Great Plains All other brands and product names are trademarks or registered trademarks of their respective holders. Printed in the United States of America. 3S-3000 Three-Section Folding Drill M-A 11/9/07

3 Important Safety Information Important Safety Information Be Aware of Signal Words The word that designates a degree or level of hazard seriousness. The signal words are:! DANGER! Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. This signal word is limited to the most extreme situations, typically for machine components that, for functional purposes, cannot be guarded.! WARNING! Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury, and includes hazards that are exposed when guards are removed. It may also be used to alert against unsafe practices.! CAUTION! Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. It may also be used to alert against unsafe practices. Keep Riders Off Machinery Riders obstruct the operator s view they could be struck by foreign objects or thrown from the machine. Never allow children to operate equipment.! For Your Protection Thoroughly read and understand the Safety Label section, read all instructions noted on them. OFF Shutdown and Storage Lower machine to ground, put tractor in park, turn off engine, and remove the key. Detach and store implements in a area where children normally do not play. Secure implement by using blocks and supports. Handle Chemicals Properly Protective clothing should be worn. Handle all chemicals with care. Follow instructions on container label. Agricultural chemicals can be dangerous. Improper use can seriously injure persons, animals, plants, soil, and property. Inhaling smoke from any type of chemical fire is a serious health hazard. Store or dispose of unused chemicals as specified by the chemical manufacturer. 11/9/07 3S-3000 Three-Section Folding Drill M-A 1

4 Important Safety Information Great Plains Mfg., Inc. Use Safety Lights and Devices Slow moving tractors, self-propelled equipment, and towed implements can create a hazard when driven on public roads. They are difficult to see, especially at night. Flashing warning lights and turn signals are recommended whenever driving on public roads. Use lights and devices provided with implement. Transport Machinery Safely Comply with state and local laws. Maximum transport speed for implement is 20 mph. DO NOT EXCEED. Never travel at a speed which does not allow adequate control of steering and stopping. Some rough terrains require a slower speed. Sudden breaking can cause a towed load to swerve and upset. Reduce speed if towed load is not equipped with breaks. Use the following maximum speed - tow load weight ratios as a guideline: 20 mph when weight is less than or equal to the weight of tractor. 10 mph when weight is double the weight of tractor. IMPORTANT: Do not tow a load that is more than double the weight of tractor. Use A Safety Chain A safety chain will help control drawn machinery should it separate from the tractor drawbar. Use a chain with the strength rating equal to or greater than the gross weight of the towed machinery. Attach the chain to the tractor drawbar support or other specified anchor location. Allow only enough slack in the chain to permit turning. Do not use safety chain for towing. Practice Safe Maintenance Understand procedure before doing work. Use proper tools and equipment, refer to Operator s Manual for additional information. Work in a clean dry area. Lower the implement to the ground, put tractor in park, turn off engine, and remove key before preforming maintenance. Allow implement to cool completely. Install all transport locks on raised drill before working underneath, refer to the Operator s Manual for quantity and location of transport locks. Do not grease or oil implement while it is in operation. Move the opener handle to the ROAD position and complete raising the openers to lock them up before working underneath them. Disk edges are sharp. Be careful when working in this area. Disconnect battery ground cable (-) before servicing or adjusting electrical systems or before welding on implement. Inspect all parts. Make sure parts are in good condition & installed properly. Remove buildup of grease, oil or debris. Remove all tools and unused pars from implement before operation. 2 3S-3000 Three-Section Folding Drill M-A 11/9/07

5 Important Safety Information Prepare for Emergencies Be prepared if a fire starts. Keep a first aid kit and fire extinguisher handy. Keep emergency numbers for doctor, ambulance, hospital and fire department near phone. Wear Protective Equipment Protective clothing and equipment should be worn. Wear clothing and equipment appropriate for the job. Avoid loose fitting clothing. Prolonged exposure to loud noise can cause hearing impairment or hearing loss. Wear suitable hearing protection such as earmuffs or earplugs. Operating equipment safely requires the full attention of the operator. Avoid wearing radio headphones while operating machinery. Avoid High Pressure Fluids Hazard Escaping fluid under pressure can penetrate the skin causing serious injury. Avoid the hazard by relieving pressure before disconnecting hydraulic lines. Use a piece of paper or cardboard, NOT BODY PARTS, to check for suspected leaks. Wear protective gloves and safety glasses or goggles when working with hydraulic systems. If an accident occurs, see a doctor immediately. Any fluid injected into the skin must be surgically removed within a few hours or gangrene may result. 911 Safety at All Times Thoroughly read and understand the instructions given in this manual before operation. Refer to the Safety Label section, read all instructions noted on them. Operator should be familiar with all functions of the unit. Operate implement from the driver s seat only. Do not leave tractor or implement unattended with engine running. Dismounting from a moving tractor could cause serious injury or death. Do not stand between the tractor and implement during hitching. Keep hands, feet, and clothing away from power-driven parts. Wear snug fitting clothing to avoid entanglement with moving parts. Watch out for wires, trees, etc., when folding and raising implement. Make sure all persons are clear of working area. Turning tractor too tight may cause implement to ride up on wheels. This could result in injury or equipment damage. Tire Safety Tire changing can be dangerous and should be preformed by trained personnel using the correct tools and equipment. When inflating tires, use a clip-on chuck and extension hose long enough to allow you to stand to one side and NOT in front of or over the tire assembly. Use a safety cage if available. When removing and installing wheels, use wheel handling equipment adequate for the weight involved. 11/9/07 3S-3000 Three-Section Folding Drill M-A 3

6 Important Safety Information Safety Labels Your implement comes equipped with all safety labels in place. They were designed to help you safely operate your implement. 1. Read and follow label directions. 2. Keep all safety labels clean and legible. 3. Replace all damaged or missing labels. 4. Some new equipment installed during repair require safety labels to be affixed to the replaced component as specified by the manufacturer. When ordering new components make Great Plains Mfg., Inc. sure the correct safety labels are included in the request. To order new labels go to your Great Plains dealer. 5. Refer to this section for proper label placement. To install new labels: a. Clean the area the label is to be placed. b. Peel backing from label. Press firmly on surface being careful not to cause air bubbles under label C Slow Moving Vehicle Label C Negative Tongue Weight C Pinch Point Crushing 4 3S-3000 Three-Section Folding Drill M-A 11/9/07

7 Important Safety Information C General Instructions C Daytime Reflector Wing Walkboards inside ends C Red Reflector Wing Walkboards inside ends C Amber Reflector Center Walkboard both ends 11/9/07 3S-3000 Three-Section Folding Drill M-A 5

8 Important Safety Information Great Plains Mfg., Inc C Amber Reflector Wing Walkboards Back side of both ends C Amber Reflector Wing Walkboards outside end C ROAD Position C FIELD Position 6 3S-3000 Three-Section Folding Drill M-A 11/9/07

9 Important Safety Information C Excessive Speed C High Pressure Fluid C Tire is Not a Step 11/9/07 3S-3000 Three-Section Folding Drill M-A 7

10 Important Safety Information Great Plains Mfg., Inc C Can Not Read English C Transport Locks C Marker Pinch Point Crushing 8 3S-3000 Three-Section Folding Drill M-A 11/9/07

11 Important Safety Information C Improper Tire Inflation - Wing Gauge Wheel Tires C Improper Tire Inflation - Transport Tires 11/9/07 3S-3000 Three-Section Folding Drill M-A 9

12 Introduction Great Plains Mfg., Inc. Introduction Great Plains welcomes you to the growing family of new product owners. This implement has been designed with care and built by skilled workers using quality materials. Proper assembly, maintenance, and safe operating practices will help you get years of satisfactory use from the machine. Description of Unit The 3S-3000 Drill is a 30 ft. 3 section grain drill which couples our solid stand double disk openers with live closedcenter tractor hydraulics to achieve constant opener down pressure through a wide range of opener movement. Hydraulic down pressure provides easy single point opener pressure adjustment while providing accurate depth control and seed placement over uneven terrain. The T handle adjustment on the depth controlling press wheels provide easy seed depth adjustment for each individual row unit. The 3S-3000F allows you to plant seed and apply fertilizer in the same field pass. Dividers partition the drill boxes into seed and fertilizer compartments. The openers apply dry fertilizer to the seed trench before the furrow is closed. You can use both compartments for seed. Features include: Single tang or Clevis style hitches 15 degree wing box down flex and 20 degree wing box up flex Floating opener frames for increased flexibility over uneven terrain Multiple opener pressure valves to vary the opener pressure from wings to center 4 speed drive system for a wide range of seeding rates Solid Stand openers 3.2 bushel-per-foot seed box Seed level gauges. V-bottom boxes for complete cleanout Internal drive gauge wheels that ride on tapered roller bearings Safety lights which couple with tractor lighting system Intended Usage This machine is intended to be used primarily for conventional tillage applications. It has capability of some minimum or light no-till drilling. Using This Manual This Operator s Section is designed to help familiarize you with safety, operation, adjustments, troubleshooting, and maintenance. Read this manual and follow the recommendations to help ensure safe and efficient operation. The warranty sheet should be filled out by the owner and dealer at the time of purchase. After completion give the dealer the white copy and send the pink copy to Great Plains. Keep your copy in the manual for use when corresponding with the dealer. To order a new Operator or Parts Manual contact your authorized dealer or write to the address listed below in the Owner Assistance paragraph. Include the model and serial numbers of your unit. The information in this manual was current at printing. Some parts may change to assure top performance. Definitions: "Right " or "Left" as used in this manual is determined by facing the direction the machine will travel while in use unless otherwise stated. NOTE: A special point of information related to it s preceding topic. The author s intention is that you read and note this information before continuing. IMPORTANT: A special point of information that the author feels you must be aware of before continuing with the instructions that follow. Owner Assistance If customer service or repair parts are required contact your local Great Plains dealer. He has trained personnel, repair parts, and the equipment needed to service your implement. These parts have been specially designed and should only be replaced with genuine Great Plains parts. Serial Number Plate Refer to the Figure 1 for the location of your serial number plate. Serial Number Plate Location Figure S-3000 Three-Section Folding Drill M-A 11/9/07

13 Introduction For prompt service always use the serial number and model number when ordering parts from your Great Plains dealer. Be sure to include your serial and model numbers in correspondence also. Your dealer wants you to be satisfied with your new machine. If for any reason you do not understand any part of this manual or are not satisfied with the service received, the following actions are suggested: 1. Discuss the matter with your dealership Service Manager make sure he is aware of any problems you may have and that he has had the opportunity to assist you. 2. If you are still not satisfied, seek out the Owner or General Manager of the dealership, explain the problem and request assistance. 3. For further assistance write to: Product Support Great Plains Mfg. Inc., Service Department P.O. Box 5060 Salina, KS /9/07 3S-3000 Three-Section Folding Drill M-A 11

14 Section 1 Drill Preparation and Setup Great Plains Mfg., Inc. Section 1 Drill Preparation and Setup Leveling the Drill Center Box Frame Leveling 1. Park the drill on a clean level surface. 2. Raise the openers and lock them up. 3. Loosen the eight center box mount bolts (1), four bolts on each side of tongue, see Figure 1-1, and slide center box frame sideways until it is centered with mainframe and transport axle. 4. See Figure 1-2. Measure the height of center box opener frame pivots (2) from the level surface and raise low end of box frame up until both opener frame pivots measure the same distance from the ground. 5. Torque the 7/8 inch box mount bolts (1), Figure 1-1. Adjust Toolbar Height The height of the Toolbars are set at the factory for a level drill and should not require adjustment. Three spacer washers above and below the toolbars at their vertical pivot pins allow for a small amount of toolbar height adjustment. Measure from the level surface to the inner wing box opener frame pivots. See Figure 1-3. If the opener frame pivots vary more than 1/4" raise the lower toolbar up by removing spacer washers from the top side of the toolbar and placing them on the bottom side of the toolbar as shown in Figure 1-4. It is best to lower the openers and apply enough hydraulic pressure to them to help balance the wing frame when removing the vertical pivot pin to adjust toolbar height. 1 Center Box Mount Bolts Figure Opener frame pivot height Opener Frame Leveling Figure Toolbar Height Adjustment Figure Toolbar Height Leveling Dimension Figure S-3000 Three-Section Folding Drill M-A 11/9/07

15 Section 1 Drill Preparation and Setup 1. Adjust The Wing Box Alignment Refer to Figure 1-5, place a 4x4 or similar sized block ahead of the wing gauge wheels. Pull forward or rock the wing frames back until the toolbar stop bolt is firmly against the stop plate on the center box frame. The toolbar stop bolt runs through a formed channel on the bottom side of the toolbar. Run a string line across the back of the center box and out toward the outer ends of the wings. The outboard ends of the wing boxes should be toed forward about 1" ahead of the inboard ends. Adjust the wing box alignment by controlling when the 1 1/4" toolbar stop bolt contacts the stop plate on the center box frame. Adjust the 1 1/4" toolbar stop bolts in or out until the outer end of the wing boxes are toed forward about 1". Stop Bolt C C String Line Support C-B=1" B A String Line A B C-B=1" String Line Support Wing Box Alignment Measurement Figure /9/07 3S-3000 Three-Section Folding Drill M-A 13

16 Section 1 Drill Preparation and Setup Great Plains Mfg., Inc. 2. Align Transfer Drive Shaft After the wing boxes are properly aligned, the transfer drive shaft must be aligned so the pair of break-away jaws have full engagement and are concentric. The 7/8" hex drive shafts holding the clutch jaws should not contact each other when the wing boxes are properly aligned and back against their stop. Place a 4x4 or similar sized block ahead of the wing gauge wheels and pull forward or push the wing box frames back until the toolbar stop bolt is firmly against the stop plate on the center box frame. To align the clutch jaws in the front to rear direction, loosen the two 5/16" (#1) bolts which hold the 7/8" hex bearing flangettes (#2) and slide the bearing assembly in the desired direction, as shown in Figure 1-6. Transfer Drive Shaft Front to Rear Adjustment Figure S-3000 Three-Section Folding Drill M-A 11/9/07

17 Section 1 Drill Preparation and Setup To align the clutch jaws in the vertical direction, loosen the two 5/8" bolts (#1) on the break-away adjustment plate at the back side of the toolbar and slide the 1/2" (#2) plate up or down in the desired direction, as shown in Figure 1-7. Transfer Drive Shaft Vertical Adjustment Figure /9/07 3S-3000 Three-Section Folding Drill M-A 15

18 Section 1 Drill Preparation and Setup Great Plains Mfg., Inc. To adjust the clutch jaws for full jaw contact, loosen the two 1/2" (#1) bolts which fasten the bearing bracket (#2) to the 1/2" adjustment plate and slide the bearing bracket until the jaws on the fixed half of the clutch make full contact with the jaws on the spring loaded half of the clutch without compressing the clutch spring, as shown in Figure 1-8. The two 7/8" hex shafts should have 1/8" between them when the clutch jaws have full contact. Top View Transfer Drive Shaft Clutch Jaw Adjustment Figure S-3000 Three-Section Folding Drill M-A 11/9/07

19 Section 1 Drill Preparation and Setup Tractor Drawbar Hookup The Great Plains 30 ft 3 section drill has three hitch options: a clevis hitch, a small hole single strap hitch, and a large hole single strap hitch. Use the single strap hitch for tractors with clevis drawbars, and use the clevis hitch with tractors which have single tang drawbars. In either case always use a locking style drawbar pin sized to match the holes in the hitch and drawbar. Use the jack to raise and lower the front of the drill when hitching to the tractor, and store it in the storage tube on the top of the tongue as shown in Figure 1-11.! WARNING! Since this drill can have both positive and negative hitch forces always use a clevis hitch or clevis drawbar with a locking style hitch pin through the clevis. The Great Plains 30 ft 3 section drill is designed to operate with the lowest hitch hole in the tongue measuring about 18" off the ground when in FIELD (lowered) position. The mounting holes in the hitch have been offset so the hitch can be turned over and bolted on in three positions, giving you six hitching positions. Use the screw jack to raise the front of the drill tongue so the lowest hitch hole in the tongue measures 18" off the ground. Adjust the drill hitch to match your tractor drawbar. See Figure 1-9. The drill hitch can accommodate tractor drawbars ranging from 15.5 to 32 inches high. Your drill is equipped with a hitch safety chain. The safety chain should be securely attached to the drill hitch and the tractor whenever towing or planting. Jack Lifting Position Figure NOTE: When hitching the drill to a different tractor, check for a difference in drawbar heights. If the heights are different, the hitch height must be readjusted accordingly. Storing Tongue Jack Figure Hitch Height Adjustment Figure /9/07 3S-3000 Three-Section Folding Drill M-A 17

20 Section 1 Drill Preparation and Setup Tractor Hydraulic Hookup! WARNING! Escaping fluid under pressure can penetrate the skin causing serious injury. Avoid the hazard by relieving pressure before disconnecting hydraulic lines. Use a piece of paper or cardboard, NOT BODY PARTS, to check for suspected leaks. Wear protective gloves and safety glasses or goggles when working with hydraulic systems. If an accident occurs, see a doctor immediately. Any fluid injected into the skin must be surgically removed within a few hours or gangrene may result. NOTE: To run drill on tractors with open-center hydraulics or on tractors with fixed-displacement hydraulic pumps, you must install a Great Plains kit, part number A. If you are not familiar with your tractor hydraulics, consult your tractor dealer. Great Plains hydraulic hoses are color coded to help you hook up hoses to your tractor outlets. Hoses that go to the same remote valve are marked with the same color. Color Red Hydraulic Function Opener Lift Great Plains Mfg., Inc. 1. Connect opener-lift hoses to circuit designated for hydraulic-motor control. 2. Connect transport-lift hoses to tractor remote valve. 3. Connect fold hoses to tractor remote valve. IMPORTANT: If your tractor has only two remote valves, you must install a double-selector valve to combine the transport-lift and opener-lift circuits. Refer to 3S-3000 Two-Outlet Tractor Hydraulic Kit, Options, page 61. Safety Lights The light package that your drill is equipped with, requires that your tractor have the correct electrical connections. Your tractor should be wired for a standard 7-pin electrical connector which works with the tractor's flashers and turn signals. All that should be necessary to hook up the lights is to plug them into the tractor's 7-pin connector. If your tractor is not equipped with a 7-pin connector, please contact your local dealer for installation to your tractor manufacturers specifications. Acre Meter Assemble the acre meter to the end of the main drive shaft on the center section as shown in Figure Record the acres before you begin planting and subtract that number from the final reading to get acres planted. Blue White Orange Transport Lift Fold Marker To distinguish hoses on the same hydraulic circuit, refer to plastic hose holders. See Figure Hoses under extended-cylinder symbol feed cylinder base ends. Hoses under retracted-cylinder symbol feed cylinder rod ends. Acre Meter Location Figure Hydraulic Hose Label Figure S-3000 Three-Section Folding Drill M-A 11/9/07

21 Section 1 Drill Preparation and Setup Bleeding the Hydraulic Systems NOTE: Check hydraulic fluid level in tractor reservoir and fill it to proper level before starting this procedure. Add fluid to system as needed. A low reservoir level may draw air back into the system causing jerky or uneven cylinder movements. System capacity for entire drill is approximately 4 1/2 gallons.! CAUTION! This drill has a negative tongue weight when unfolded and the openers raised. Be certain that the drill is hitched securely to your tractor drawbar and be certain the safety chain is securely attached to the tractor before raising the openers and unfolding the drill. cylinders so they will not catch or contact anything during the bleeding process. 2. Loosen the rod end hose fitting at the elbow on the left fold cylinder. 3. Slowly supply oil to the rod end of the fold cylinders until oil appears at the loosened hose fitting. Tighten the rod end hose fitting and completely retract the fold cylinders. 4. With the cylinders completely retracted, loosen the base end hose fitting at the elbow on the left fold cylinder. 5. Slowly supply oil to the base end of the fold cylinders until oil appears at the loosened hose fitting. Tighten the base end hose fitting and cycle the fold cylinders in and out several times. 6. Repin the cylinder rod clevis. Bleeding the Fold Hydraulics Refer to Figure 1-14: 1. With the drill unfolded (the fold cylinders completely extended), disconnect the rod end pins and swing the Bleeding the Fold Hydraulics Figure /9/07 3S-3000 Three-Section Folding Drill M-A 19

22 Section 1 Drill Preparation and Setup Bleeding the Opener Lift Hydraulic System Refer to Figure 1-15: 1. Check that opener frames are locked in ROAD position. 2. Turn knobs on pressure-control valves completely counterclockwise, then turn knobs clockwise three turns. 3. Turn knob on bypass valve completely clockwise for no oil flow. 4. Loosen six hose-end fittings at three locations on opener-lift circuit: both JIC fittings on the two 3/8" opener lift hoses extending from the end of each wing toolbar, the JIC fittings on the two 3/8" opener lift hoses feeding the center opener lift cylinders, and the end where these center two hoses tee at the middle of the center box frame. Great Plains Mfg., Inc. 5. Slowly supply oil to top side of pressure-control valves. As oil begins to appear at a fitting, tighten that fitting. Continue supplying oil until one of the two fittings is tightened at each of the three locations. 6. Slowly supply oil to bottom side of pressure-control valves. As oil begins to appear at a fitting, tighten that fitting until all hose fittings are tight. Continue to supply oil to bottom side of pressure-control valves until openers are raised completely. 7. Move opener transport hooks to FIELD position and cycle openers up and down about ten times. Each time you pressure openers down, hold tractor remote lever until opener circuit builds up to pressure you have set at control valves. Turn knobs on pressure-control valves clockwise far enough to build up at least 1000 psi on pressure gauges when cycling openers. 8. Once openers have been cycled, return transport hooks to ROAD position and lock openers up Bleeding the Opener Lift Hydraulics Figure S-3000 Three-Section Folding Drill M-A 11/9/07

23 Section 1 Drill Preparation and Setup Bleeding the Transport Lift Hydraulics Refer to Figure 1-16: 1. Start with the transport axle in the lowered (field) position, and the box lift cylinder (at the middle of the tongue) completely retracted. Loosen the base end hose fitting at the elbow on the left transport lift cylinder and the base end hose fitting on the box lift cylinder at the middle of the tongue. 2. Slowly supply oil to the base end of the transport lift cylinders until oil appears at the loosened hose fittings. Oil may not appear at both location at same time. As oil begins to appear at a fitting, tighten that fitting and proceed until both fittings have been tightened. Completely extend the transport lift cylinders and IMMEDIATELY lock the cylinders up by flipping up the cylinder lock channels on both transport lift cylinders and the box lift cylinder at the middle of the tongue.! WARNING! NEVER CRAWL UNDER THE DRILL IN THE RAISED POSI- TON WITHOUT THE CYLINDER LOCK CHANNELS IN PLACE. 3. When the cylinder lock channels are in place, loosen the rod end hose fitting at the elbow on the left transport lift cylinder and the rod end hose fitting on the box lift cylinder at the middle of the tongue. 4. Slowly supply oil to the rod end of the transport lift cylinders until oil appears at the loosened hose fittings. As oil begins to appear at a fitting, tighten that fitting and proceed until both fittings have been tightened. 5. Extend the transport lift cylinders, and remove the cylinder lock channels. Completely cycle the transport lift hydraulics several times Bleeding the Transport Lift Hydraulics Figure /9/07 3S-3000 Three-Section Folding Drill M-A 21

24 Section 2 Operating Instructions Great Plains Mfg., Inc. Section 2 Operating Instructions Lifting The openers are raised and lowered on their own hydraulic circuit. To operate them with live hydraulic power always connect the opener lift circuit to the #1 remote hydraulic circuit or the circuit designed for HYDRAULIC MOTOR control. On many CLOSED CENTER or PRESSURE/ FLOW COMPENSATED tractors the #1 circuit is the circuit designed to supply live hydraulic power to remote locations. The openers can be locked up for transporting or for working under the drill. To lock the openers up, position the opener transport lock handles in the ROAD position Figure 2-1 and completely raise the openers Opener Frames Unlocked (Handle in FIELD Position) Figure Opener Frames Locked Up (Handles in ROAD Position) Figure 2-1 To unlock the openers, position the opener transport lock handles in the FIELD position Figure 2-2 and completely raise the openers to allow the opener transport locks to disengage. There are two lock handles on each drill section. Folding 1. Folding is best achieved on level ground with the tractor transmission in neutral. Be aware of the clearance required to fold the drill.! CAUTION! NEVER allow anyone near the drill during folding operations. 2. Position the opener transport lock handles in the ROAD position Figure 2-1 and completely raise the openers. The opener transport lock handles are spring loaded and can be moved to the ROAD position with the openers up or down, but the locks will only engage when the openers are completely raised. There are two lock handles on each drill section. 3. Make sure the transport lift cylinders and front box lift cylinder are completely retracted. 22 3S-3000 Three-Section Folding Drill M-A 11/9/07

25 Section 2 Operating Instructions 4. Slowly supply oil to the rod end of the fold circuit. Completely fold the wing frames until both wing gauge wheels contact the tongue tube. 5. Supply oil to the transport lift circuit until the transport lift cylinders and front box lift cylinder are completely extended and the drill is completely raised. 6. Rotate the cylinder lock channels over the rods on the two transport lift cylinders and front-box, lift cylinder as shown in Figure 2-3. Unfolding 1. Supply oil to the transport lift circuit until the transport lift cylinders and front box lift cylinder are completely extended (the drill is completely raised). Rotate the cylinder lock channels off the rods of the transport lift cylinders and front box lift cylinder, as shown in Figure 2-4. NOTE: Make sure the u-shaped clips in the lock channels clasp the cylinder rods securely. The clips must hold the channels in position until the cylinders settle against the channels. You may need to adjust a clip by turning the bolt inside the channel. 7. Allow the transport-lift cylinders to settle back against the lock channels. 8. Before transporting, check that the hydraulic cylinders have settled against the lock channels and are holding the channels securely Transport Lift Cylinder Cylinder Lock Channels Inserted for Transporting Transport Cylinder Lock Channels Removed for Field Use Figure Completely retract the transport lift cylinders and front box lift cylinder. 3. Slowly supply oil to the base end of the fold circuit. Unfold the wing frames by completely extending the fold cylinders. 4. Position the opener transport lock handles in the FIELD position, as shown back in Figure 2-2 and com Front Box Lift Cylinder Cylinder Lock Channel Inserted for Transporting Figure /9/07 3S-3000 Three-Section Folding Drill M-A 23

26 Section 2 Operating Instructions Great Plains Mfg., Inc. pletely raise the openers to allow the opener transport locks to disengage. The opener transport lock handles are spring loaded and can be moved to the FIELD position with the openers up or down, but the locks will only disengage when the openers are completely raised. There are two lock handles on each drill section. Transporting! CAUTION! This drill should never be pulled faster than 20 miles per hour! Before transporting the drill check the following items. 1. Transport only with a tractor of proper size. See Tractor Requirements in the Drill Preparation and Setup section on page The drill must be hitched securely to tractor. Always use a locking style drawbar pin sized to match the holes in the hitch and drawbar (minimum of 1" diameter). 3. The safety chain should be securely attached to the drill hitch and the tractor. 4. The Safety Lights must be plugged in with tractor lights using the standard 7-pin terminal. 5. Make sure the drill is properly folded. Refer to Folding on page The opener transport lock handles should be in the ROAD position and the openers completely raised for the opener locks to engage and lock the openers up. There are two lock handles on each drill section. 7. The cylinder lock channels must be on the rods of the two transport lift cylinders and front box lift cylinder. As shown back in Figure 2-3, allow the transport lift cylinders to settle back against the lock channels. Marker Transportation Always transport the marker with it folded in the flat position. Make sure the second marker section rests securely on the transport carrier. Parking Unhitching with the drill unfolded.! CAUTION! This drill has a negative tongue weight when unfolded and the openers raised. Do not unhitch the drill in the unfolded position without first lowering the parking stand and pressurizing the openers down. Unhitching in the unfolded position with the openers raised could result in sudden elevation of the tongue causing injury or death. Jack Lifting Position Jack Storage Location Using and Storing the Front Tongue Jack Figure Lower the parking stands located at the outer end of each wing box by unpinning the keeper pin and rotating the stand down. See Figure 2-6. Place a block under the foot of the stand if it does not contact the ground. 1. Remove the jack from its storage location on top of the tongue and pin it in the post located on the left side of the tongue, refer to Figure 2-5. Extend the jack until weight of the tongue is on the jack. 24 3S-3000 Three-Section Folding Drill M-A 11/9/07

27 Section 2 Operating Instructions Parking Stand Positioned for Unhitching Parking Stand Storage Position Using and Storing the Parking Stands Figure Lower the openers and pressure them down. 4. Unplug the drills hydraulic lines and electrical lines from the tractor. 5. Remove the hitch pin and safety chain from the tractor drawbar. Use caution when removing the hitch pin because a slight tongue elevation might still occur. NOTE: After the drill has been unhitched for a time in the unfolded position the tongue may rise above the tractor drawbar height. Lower the tongue back down by connecting the opener lift circuit and pressuring the openers back down. Unhitching with the drill folded. 1. Fold, raise, and lock the drill in the transport position. 2. Park the drill on a level, solid area. 3. Remove the jack from its storage location on top of the tongue and pin it in the post located on the left side of the tongue, refer back to Figure 2-5. Extend the jack until weight of the tongue is on the jack. If the ground is soft, place a board or plate under the jack to widen the ground contact area. 4. Unplug the drills hydraulic lines and electrical lines from the tractor. 5. Remove the hitch pin and safety chain from the tractor drawbar. 11/9/07 3S-3000 Three-Section Folding Drill M-A 25

28 Section 2 Operating Instructions Setting the Bypass Valve A bypass valve is plumbed into the opener down pressure circuit. See. Tractors with load-sensing, closed-center hydraulics require this bypass valve to protect the tractor hydraulic system. If you are unsure what type of hydraulic system is on your tractor, contact your tractor manufacturer. Great Plains Mfg., Inc. down pressure so gauges are at 1800 psi. See Figure Bypass Valve Figure 2-7 Opener Down Pressure Control Valves Figure 2-8 Tractors with Open Center Hydraulics Close bypass valve for no oil flow by turning knob on valve clockwise completely. Always operate the drill with the bypass valve closed. Tractors with Pressure Compensating Closed Center Hydraulics (PC Closed) Close bypass valve for no oil flow by turning knob on valve clockwise completely. Always operate the drill with the bypass valve closed. Tractors with Load Sensing Closed Center Hydraulics (LS Closed) or Pressure Flow Compensating (PFC) Systems IMPORTANT: Failure to use the bypass valve on loadsensing tractors may cause major tractor damage. 1. Close bypass valve for no oil flow by turning knob on valve clockwise completely. 2. With tractor at half throttle, adjust flow-control valve on tractor so openers raise and lower at a reasonable speed. Keep tractor at one-half throttle for remaining steps. 5. While watching gauges on drill, slowly turn knob on bypass valve counterclockwise. Adjust bypass valve just until needles on gauges begin to move down from 1800 psi. Lock bypass valve at this setting. (See also note below.) 6. Adjust pressure-control valves on drill to desired opener down pressure as explained under Opener Down Pressure, beginning on page 40. NOTE: The higher the bypass pressure, the greater the potential for oil heating and premature tractor damage. At the same time, for proper opener operation the bypass valve must be set at least 300 psi above the opener downpressure setting when the tractor is at one-half throttle. Therefore, you should set the bypass valve as low as possible while staying at least 300 psi above the opener down pressure setting. While 1800 psi is a good starting point for setting the bypass valve, if you consistently operate the drill with low opener down pressure you can set the bypass valve below 1800 psi. If you consistently operate the drill with very high opener down pressure, you may need a bypass-valve setting above 1800 psi. NOTE: The faster openers raise and lower, the greater potential for oil heating, premature wear or tractor damage. 3. Engage tractor hydraulics and lower openers. Lock hydraulic lever on tractor for continuous operation. 4. Adjust pressure-control valves on drill for opener 26 3S-3000 Three-Section Folding Drill M-A 11/9/07

29 Section 2 Operating Instructions Field Operation The openers are mounted on floating opener frames which follow the contour of the ground while maintaining constant opener down pressure. To achieve the designed opener flotation the opener hydraulic circuit must be powered by an active hydraulic system. An active hydraulic system requires a tractor with closed-center hydraulics or pressure/flow compensated hydraulics which are powered by a variable-displacement hydraulic pump. To run the drill on tractors with open-center hydraulics or on tractors with fixed-displacement hydraulic pumps requires a kit (Great Plains part number A). Refer to Non-Active Hydraulics on page 28 for adjusting a drill with Non-Active Hydraulics. IMPORTANT: Tractors with load-sensing hydraulics must use the bypass valve to operate the 3S Failure to use the bypass valve can cause major tractor damage. Before adjusting opener down pressure, set bypass valve as explained under Setting the Bypass Valve, page With the tractor hydraulic lever locked forward, turn the knob on the pressure control valves as shown in Figure 2-9. Watch the pressure gauge and dial in the desired pressure on the openers. Clockwise increases the pressure and counterclockwise decreases pressure. Once the pressure is set, lock each knob with the lock disk. There is one pressure control valve for the center section, and one for the wing sections. In some typical applications, the pressure on the center section is set slightly higher than the wings to account for additional compaction from the drill transport tires and tractor tires. The recommended pressure range for drilling is between 200 psi and 1200 psi. Setting the opener down pressure above 1600 psi. will raise the drive wheels off the ground when the seed box is empty causing skips and poor seed metering. See Planting Adjustments in the Adjustments section starting on page 38 to convert hydraulic pressure at the gauge to opener down force. Active Hydraulic System (Tractors with closed-center hydraulic systems and variable-displacement hydraulic pumps) 1. Lower the opener frames by pushing FORWARD on the tractor remote hydraulic lever. The remote lever must be LOCKED OPEN in this position to provide constant pressure/flow to the openers. John Deere tractors with Sound-Gard Body: Use lever lock clip, John Deere part number R52667, to lock lever forward. See your tractor dealer for clip purchase and installation. John Deere 7000 Series tractors: Rotate valve detent selector to motor position to lock lever in forward position. John Deere 8000 Series tractors: Set timer to continuous. Push lever forward until detent clicks. Case-IH Magnum tractors: Lock lever forward in detent position. You may need to turn up detent pressure to its maximum setting. Do not tie hydraulic lever past detent position with a strap. See your tractor dealer for hydraulic-system details. Other tractors: Lock lever forward in detent position. You may need to turn up detent pressure to maximum or use a mechanical detent holder to hold lever forward. See your tractor dealer for proper means of providing constant flow to openers. Pressure Control Valves Figure /9/07 3S-3000 Three-Section Folding Drill M-A 27

30 Section 2 Operating Instructions Great Plains Mfg., Inc. 3. After the opener pressure is set, opener depth is controlled by the press wheel adjustment. Attached to the rear of each opener is one of several optional press wheels. The press wheels close the furrow and gently press soil over the seed while also providing depth control for the opener. To adjust the position of the press wheel, which automatically changes the seeding depth of the opener, lift the "T" handle located on top of the opener and slide it forward or rearward until the seeding depth is correct, as shown in Figure Moving the handle forward plants shallower while moving the handle rearward plants deeper. A spring loaded pin holds the "T" handle at the setting to maintain the proper depth. Lift the opener frames slightly to take the pressure off the "T" handles when adjusting the press wheel depth. Press Wheel Adjustment Figure NOTE: The opener pressure setting controls the soil firming pressure on the press wheel as well as the disk penetrating force. DO NOT use more opener down pressure than necessary to obtain the desired opener penetration and to maintain the proper firming action over the seed. Set the planting depth with the depth controlling press wheel and only use enough opener pressure to cut the proper seed groove and maintain the desired soil firming action. Excessive opener force will lead to excessive wear and damage of the opener components. To operate markers and constant opener down pressure at the same time, connect the openers to circuit #2 and the markers to circuit #3. Non-Active Hydraulic System (Tractors with open-center hydraulic systems or fixed-displacement hydraulic pumps) To run the drill on tractors with open-center hydraulics or on fixed-displacement hydraulic pumps requires a kit (Great Plains part number A). This kit utilizes a non-active hydraulic system which allows you to pressurize your openers down and lock in that pressure on level ground by holding the opener frames in a fixed position. 1. Lower the opener frames by pushing FORWARD on the tractor remote hydraulic lever. The remote lever must be TEMPORARILY LOCKED OPEN in this position while the pressure adjustment is being made to provide constant pressure and flow to the openers. 2. With the tractor hydraulic lever locked forward, turn the knob on the pressure control valves as shown in Figure 2-9. Watch the pressure gauge and dial in the desired pressure on the openers. Clockwise increases the pressure, and counterclockwise decreases pressure. Once the pressure is set, lock each knob with the lock disk. There is one pressure control valve for the center section and one for the wing sections. In some typical applications, the pressure on the center section is set slightly higher than the wings to account for additional compaction from the drill and tractor tires. The recommended pressure range for drilling is between 200 psi and 1200 psi. Setting the opener down pressure above 1600 psi. will raise the drive wheels off the ground when the seed box is empty causing skips and poor seed metering. See Fertilizer Adjustment on page 38 to convert hydraulic pressure at the gauge to opener down force. 3. After the opener pressure is set, RETURN THE TRACTOR REMOTE HYDRAULIC LEVER TO ITS NEUTRAL POSITION. This "locks in" the previously selected pressure and the opener frames remain in a fixed position. NOTE: Open center tractors and tractors with fixed displacement pumps are not designed to provide a continuous supply of pressurized oil to remote locations. Attempting to continuously supply oil to the pressure control valves will cause your tractor hydraulic pump to bypass a large volume of pressurized oil. This will result in overheating of the tractor hydraulic oil supply and WILL RESULT IN TRACTOR DAMAGE. Priority Flow Hydraulic Systems On some tractors with load-sensing hydraulics, the circuit #1 is capable of taking nearly 100 percent of available hydraulic flow. Operating the openers or markers on circuit #1 will starve the other circuit, making one function inoperable. 28 3S-3000 Three-Section Folding Drill M-A 11/9/07

31 Section 2 Operating Instructions NOTE: On some tractors with very positive remote hydraulic checks, a slight increase in the reading on the pressure gauges may occur after the tractor remote lever is returned to neutral. This is caused by back pressure on the opener cylinders and should be ignored. The NET OPERATING PRESSURE on the opener cylinders is maintained at the pressure you selected while the tractor remote lever was held forward not at the "apparently increased" pressure. Reactivating the tractor lever forward will confirm this. 4. Each time the openers are lowered, hold the tractor remote hydraulic lever forward for a few seconds to recharge the circuit, then return it to its neutral position. The tractor and drill should be on level ground when you return the tractor lever to neutral. 5. The open center hydraulic kit allows the tractor operator to momentarily operate the opener down pressure circuit as an active circuit. When approaching a mound or valley where active hydraulics is desirable, the tractor operator can MOMENTARILY PUSH THE TRACTOR REMOTE HYDRAULIC LEVER FOR- WARD which will allow the opener frames to follow the uneven terrain with constant opener down pressure. As soon as the drill returns to level ground RETURN THE TRACTOR REMOTE HYDRAULIC LEVER TO ITS NEUTRAL POSITION to "lock in" the preset pressure once again. DO NOT activate the tractor remote hydraulic lever for more than 20 seconds at a time, once every 2 minutes. Always wait until the tractor and drill are on level ground before returning the tractor remote hydraulic lever to its neutral position. The tractor remote hydraulic lever can be momentarily bumped forward any time on level ground to assure the preset pressure is correctly locked in and to reset the system if it has not been operated for a long period of time. 6. After the opener pressure is set, opener depth is controlled by the press-wheel adjustment. Attached to the rear of each opener is one of several optional press wheels. The press wheels close the furrow and gently press soil over the seed while also providing depth control for the opener. To adjust the position of the press wheel, which automatically changes the seeding depth of the opener, lift the "T" handle located on top of the opener at the rear and slide it forward or rearward until the seeding depth is correct as shown in Figure 2-10, page 28. Moving the handle forward plants shallower while moving the handle rearward plants deeper. A spring loaded pin holds the "T" handle at the setting to maintain the proper depth. Lift the opener frames slightly to take the pressure off the "T" handles when adjusting the press wheel depth. NOTE: The opener pressure setting controls the soil firming pressure on the press wheel as well as the disk penetrating force. DO NOT use more opener down pressure than necessary to obtain the desired opener penetration and to maintain the proper firming action over the seed. Set the planting depth with the depth controlling press wheel and only use enough opener pressure to cut the proper seed groove and maintain the desired soil firming action. Excessive opener force will lead to excessive wear and damage of the opener components. 11/9/07 3S-3000 Three-Section Folding Drill M-A 29

32 Section 2 Operating Instructions Fertilizer Box Operation The 3S-3000F is equipped with a fertilizer compartment so you can plant seed and apply fertilizer in the same field pass. Use dry, granular fertilizer and follow the procedure below. 1. Clean any seed or debris from the fertilizer compartment. 2. Adjust the seed and fertilizer compartments to desired capacity. The 3S-3000F is equipped with standard dividers that partition the drill boxes into 60 percent seed and 40 percent fertilizer. If your drill is outfitted with optional offset dividers, the seed-to-fertilizer ratio can be changed. Refer to Seed and Fertilizer Capacity, Adjustments, on page Calibrate the fertilizer application rate as explained under Fertilizer Rate Adjustment and Fertilizer Rate Calibration, Adjustments, on page Check that the divider door is closed so seed and fertilizer cannot pass between compartments. See Figure Check that the fertilizer cleanout door is latched securely as shown in Figure Close all door latches before loading the fertilizer compartment. Great Plains Mfg., Inc. Seeding with Both Compartments 1. Clean out the boxes as explained under Maintenance, Maintenance and Lubrication, on page Open the divider door between the seed and fertilizer compartments. To open the door, loosen the black knobs shown in Figure Loosen each knob until the bent clip can be turned off the door, then retighten. When all bent clips have been turned, swivel the door back against the fertilizer tray opening Divider Door Figure Use the vinyl washout cover to hold the divider door open as shown in Figure Clamp Latched Securely Cleanout Door Latched Figure Open the lid over the fertilizer compartment and swivel back until it rests against the open drill box lid. See Figure The fertilizer lid serves as a spill guard to keep fertilizer out of the seed compartment Divider Door Secured Figure To avoid unnecessary wear, on each box remove the chain from the clutch shaft to the fertilizer drive shaft. Refer to Figure Spill Lid Figure Fill fertilizer compartment Remove Chain Figure S-3000 Three-Section Folding Drill M-A 11/9/07

33 Section 2 Operating Instructions Marker Operation The marker option assemblies are equipped with a double selector valve to combine the transport fold hydraulic circuit with the marker hydraulic circuit. After the drill is unfolded for field operation, shift the double selector valve to the marker circuit as shown in Figure Before operating the markers, make sure they are properly bled as described in Bleeding the Marker Hydraulic System in the Adjustments section on page 43. Shifting the Double Selector Valve Figure To operate a single marker, activate the tractor remote hydraulic lever to move the marker in the desired direction. Single markers are equipped with a needle valve to control the marker lifting speed. Excessive folding speed could damage the markers, so adjust the needle valve to set the markers to a safe efficient operating speed as described in Single Marker Speed Adjustment in the Adjustments section on page 44. Dual markers are equipped with a sequence valve to control marker lift sequence. Starting with both marker up, the sequence is: 1. Activate the remote hydraulic lever; right marker lowers while left marker stays up. 2. Reverse the remote hydraulic lever; right marker raises while left marker stays up. 3. Activate the remote hydraulic lever again; left marker lowers while right marker stays up. 4. Reverse the remote hydraulic lever; left marker raises while right marker stays up. 5. The sequence repeats this same pattern. Dual marker s raise and lower speeds are adjusted with hex adjustment screws on the body of the sequence valve. Excessive folding speed could damage the markers, so adjust the hex screws to set the markers to a safe efficient operating speed as described in Dual Markers with Sequence Valve Marker Speed Adjustment in the Adjustments section on page 44. Double Selector Valves Drills equipped with markers use a double selector to combine the transport fold hydraulic circuit with the marker hydraulic circuit. Tractors with only two sets of remote hydraulic outlets must use a second double selector valve Two Outlet Tractor Hydraulic Kit Great Plains Part No A. This combines the transport lift hydraulic circuit and opener lift hydraulic circuit. To operate the double selector valves, turn the handle on top of the valve toward the hydraulic hoses of the circuit which you wish to operate. Shaft Monitor Operation To operate the shaft monitor, turn system on by activating on-off switch on monitor head. If the drill s feeder cup shaft is turning, both of the lights will be on, and the alarm will not sound. If any of the feeder cup shafts stop for a period of 30 seconds, the alarm will sound and the light on the monitor will flash designating the failed shaft. The 30 second delay is to prevent nuisance alarms when turning at the end of the field. If a failure does occur and the alarm sounds, remember you have traveled for 30 seconds without planting. Figuring the distance traveled in 30 seconds will allow you to determine where the failure occurred. Point-Row Operation The point-row option allows you to raise and lower individual drill sections. To raise and lower all sections together, flip the power switch (1) so the master lift control light (2) is lit. Raise or lower all openers by moving the switch under the light. To raise and lower individual sections, flip the power switch so the section control light (3) is lit. Raise and lower the openers on individual sections by moving the switches under the light Point-Row Control Monitor Figure 2-17 NOTE: Be sure to turn the point-row power switch off when the tractor is off. 11/9/07 3S-3000 Three-Section Folding Drill M-A 31

34 Section 3 Adjustments Great Plains Mfg., Inc. Section 3 Adjustments Seeding Adjustment Seed Rate Sprocket Changes The feeder cup drive system on your drill provides four different drive speeds and adjustable fluted feed cups to allows you to plant a wide variety of seeds and easily vary the seeding rate. All the seed rate charts for this drill are based on first selecting one of four available drive sprockets which are referred to as DRIVE TYPES. These sprockets, shown in Figure 3-1, are located on a 7/8 hex transfer shaft behind the drive clutch on each box section. The NOTE: Be sure chain is installed with the chain connector link retainer towards the centerline and the clip opening (split end) faces the opposite way of the chain travel. Drive Type Sprocket Ratio 1 72 Tooth Slowest drive type 2 34 Tooth 2.12 faster than drive type Tooth 3.13 faster than drive type Tooth 5.14 faster than drive type 1 Drive Type Sprocket Location Figure drive types are easily changed by loosening the 12 tooth idler sprockets on the drive chain, removing the keeper pin on the hex shaft, and repositioning the sprockets so the desired drive type sprocket lines up with the clutch sprocket. Reroute the drive chain as shown in Figure 3-2 and on the drive type decal located on the drive support plate near the idler sprockets. Set the same drive type on all three drill sections. Seed Rate Adjustment Handle Once the correct drive type is chosen according to the Seed Rate Chart, starting on page 34, position the seed rate adjustment handle for the desired rate in the chart. To adjust the seed rate handle as shown in Figure 3-3, loosen the wing nut on the bottom side of the handle and slide the handle until the indicator mark lines up with the desired cup setting. Retighten the wing nut to hold the lever in place. There is a seed rate adjustment handle for each drill section. Seed Rate Adjustment Handle Figure Drive Type Sprockets and Chain Routing Figure 3-2 Feeder Cup Setting The drill is equipped with a four-position feed cup door on each feeder cup, as shown in Figure 3-4. The highest handle position is for wheat and other small grain seeds. The second handle position down is for soybeans and other large grain seeds. Should excessive cracking occur to large seeds, drop the handle to the third position down. The wide open position will allow complete clean-out of the feed cup. MAKE SURE all handles are in the same position before drilling. 32 3S-3000 Three-Section Folding Drill M-A 11/9/07

35 Section 3 Adjustments NOTE: Do not open the cup door to the wide open position with seed in the box unless complete cleanout is desired. The door may be difficult to close off once it is opened. Feed Cup Door Adjustment Figure 3-4 Seed Rate Calibration NOTE: Seeding rates will vary greatly with variations in sizes of the seeds. The seeding rates listed in this manual are based on average seed size. We recommend that you test and adjust your drill using the procedure below to help ensure an accurate seeding rate. 1. Jack up the wing gauge wheels and rotate them to see that the feed cups and drives are working properly and are free from foreign matter. The right wing gauge wheel drives the center section, but the drive does not engage unless the drill is completely unfolded. 2. Set the desired DRIVE TYPE from the rate chart by choosing the correct drive type sprocket from the four available 7/8" hex bore quick-change sprockets. Route the chain according to the decal and tighten the chain by sliding the 12 tooth idler sprockets in the slots. Make sure the DRIVE TYPE SPROCKET lines up with the CLUTCH SPROCKET so the drives run free and true. The wing sections require a blank sprocket between the shaft bearing and the DRIVE TYPE SPROCKET for the chain to align properly. 3. Set the seed rate adjustment handle to the desired chart setting. Make sure all the feed cup doors are in the desired position. 4. There are many factors which will affect seeding rates: seed treatment, weight of seed, size of seed, surface condition of seed, tire configuration, tire pressure and tire slippage. Minor adjustments will probably be needed to compensate for these factors. 5. The pounds-per-acre in the seed rate charts are based on the drill having 9.5L-15 6 PLY ribbed implement tires inflated to 32 psi and 265/70B16 skid steer tires inflated to 70 psi on the wing gauge wheels. Check your tires for proper inflation pressure. 6. The large differences in seed size and treatment can cause a wide variation in actual seeding rates. The seed rate charts on the following pages are based on average size seed. This may differ from the seed you are using. Use the seed rate charts as a guide. Set the pounds per acre desired for your row spacing and complete the following procedure to calibrate the drill for your specific seed. a. Place several pounds of seed over three of the feed cups at the outboard drive end of the drill box. b. Disconnect the seed tubes from these three disk openers. c. Lower the opener frames to planting position in order to activate the clutch and raise the proper drive tire off the ground with a jack so it can be rotated by hand. d. Place a container under the three seed tubes to gather the seed as it is metered. e. Rotate the drive wheel until one acre has been tallied on the acremeter. This will be 175 rotations on the 30' drill. Be sure to check the three cups to make sure each cup has plenty of seed coming into it. f. Weigh the seed which has been metered. Divide by three to get the ounces/pounds metered by each feed cup. Multiply by the number of openers on your drill to arrive at the total pounds-per-acre your drill would meter at that setting. If this figure is different than desired, set your feed cup adjustment handle accordingly. g. You may want to repeat the calibration procedure if the results of your calibration vary greatly from the suggested settings contained in this manual. REMEMBER: Tire size, tire air pressure, and field conditions also affect seeding rates. When drilling, check the amount of seed you are using by noting acres drilled, amount of seed added to the drill, and level of seed in each drill box. If you suspect that you are drilling more or less than desired, you may need to adjust the seeding rates slightly to compensate for your field conditions. 11/9/07 3S-3000 Three-Section Folding Drill M-A 33

36 Section 3 Adjustments Seed Rate Charts (pounds per acre) Setting number Alfalfa Drive Type 1 60#/bu) 6" " " Barley Drive Type 1 51#/bu) 6" " " Barley Drive Type 2 51#/bu) 6" " " Barley Drive Type 4 51#/bu) 6" " " Buck Wheat Drive Type 3 48#/bu) 6" " " Canola or Rape Drive Type 1 51#/bu) 6" " " Flax or Sudan Drive Type 1 55#/bu) 6" " Millet Drive Type 1 60#/bu) 6" " " Milo Drive Type 1 60#/bu) 6" " Oats Drive Type 3 37#/bu) 6" " " Peas Drive Type 3 61#/bu) 6" " Pinto Bean Drive Type 1 61#/bu) 6" " " S-3000 Three-Section Folding Drill M-A 11/9/07

37 Section 3 Adjustments Seed Rate Charts (pounds per acre) Setting number Rice Short Grain Drive Type 3 43#/bu) 6" " " Rice Short Grain Drive Type 4 43#/bu) 6" " " Rice Long Grain Drive Type 3 47#/bu) 6" " " Rice Long Grain Drive Type 4 47#/bu) 6" " Rye Drive Type 1 57#/bu) 6" " " Soybeans Drive Type 1 58#/bu) 6" " " Soybeans Drive Type 2 58#/bu) 6" " Soybeans Drive Type 3 58#/bu) 6" " " Soybeans Drive Type 4 58#/bu) 6" " " Sun flowers Drive Type 1 28#/bu) 6" " " Wheat Drive Type 2 64#/bu) 6" " " Wheat Drive Type 3 64#/bu) 6" " " WheatGrass Drive Type 1 23#/bu) 6" " " /9/07 3S-3000 Three-Section Folding Drill M-A 35

38 Section 3 Adjustments Seed Rate Charts (kilograms per hectare) Setting number Alfalfa Drive Type 1.77 kg/l) 15.24cm cm cm Barley Drive Type 1.66 kg/l) 15.24cm cm cm Barley Drive Type 2.66 kg/l) 15.24cm cm cm Barley Drive Type 4.66 kg/l) 15.24cm cm cm Buckwheat Drive Type 3.62 kg/l) 15.24cm cm cm Canola or Rape Drive Type 1.66 kg/l) 15.24cm cm cm Flax or Sudan Drive Type 1.71 kg/l) 15.24cm cm cm Millet Drive Type 1.77 kg/l) 15.24cm cm cm Milo Drive Type 1.77 kg/l) 15.24cm cm cm Oats Drive Type 3.48 kg/l) 15.24cm cm cm Peas Drive Type 3.79 kg/l) 15.24cm cm cm Pinto Bean Drive Type 1.79 kg/l) 15.24cm cm cm S-3000 Three-Section Folding Drill M-A 11/9/07

39 Section 3 Adjustments Seed Rate Charts (kilograms per hectare) Setting number Rice Short Grain Drive Type 3.55 kg/l) 15.24cm cm cm Rice Short Grain Drive Type 4.55 kg/l) 15.24cm cm cm Rice Long Grain Drive Type 3.61 kg/l) 15.24cm cm cm Rice Long Grain Drive Type 4.61 kg/l) 15.24cm cm cm Rye Drive Type 1.74 kg/l) 15.24cm cm cm Soybeans Drive Type 1.75 kg/l) 15.24cm cm cm Soybeans Drive Type 2.75 kg/l) 15.24cm cm cm Soybeans Drive Type 3.75 kg/l) 15.24cm cm cm Soybeans Drive Type 4.75 kg/l) 15.24cm cm cm Sun flowers Drive Type 1.36 kg/l) 15.24cm cm cm Wheat Drive Type 2.83 kg/l) 15.24cm cm cm Wheat Drive Type 3.83 kg/l) 15.24cm cm cm WheatGrass Drive Type 1.30 kg/l) 15.24cm cm cm /9/07 3S-3000 Three-Section Folding Drill M-A 37

40 Section 3 Adjustments Fertilizer Adjustment The 3S-3000F has chain drives powered off the gauge wheels to meter fertilizer. Adjust the application rate by changing the drive sprockets. Fertilizer application rates will vary with fertilizer type, density and particle size. Relative humidity and field conditions can also affect application rates. Initially set the rate according to the charts, then calibrate the drill to your material as described under Fertilizer Rate Calibration on this page. Fertilizer metering is controlled by separate sprocket sets on each drill box. After setting and calibrating the metering rate for one drill box, install the same sprockets on the remaining drill boxes. 1. Refer to the fertilizer rate charts on page 39 to find sprocket sizes for your drill and desired meter rate. IMPORTANT: The fertilizer meter rate charts are for granular fertilizer with a density of 65 pounds per cubic foot. If you are applying fertilizer with a different density, use the density conversion chart on page To switch between high and low range, loosen and slide the idler sprocket out of the chain shown in Figure 3-5. Remove the lynch pin from the end of the shaft and install correct sprocket. For high range, install the 16-tooth sprocket and shorten the chain by removing a 16-pitch strand. For low range, install the 44-tooth sprocket and lengthen the chain by reinstalling the 16-pitch strand. Move idler sprocket back into place. Chain should have 1/4-in. slack. 16T/44T Hi/Low Range Sprocket Figure To change the driver/driven ratio, refer to Figure 3-7. Loosen and slide idler sprockets out of the chain. Remove the lynch pins from the shafts. Place the correct sprockets on the shafts. Store sprockets not used. Reinstall chain and slide idlers back into place. Chain should have 1/4-in. slack. Driven Driver/Driven Sprockets Figure 3-6 Great Plains Mfg., Inc. Driver NOTE: The driver and driven sprockets must be next to the shaft bearings. Use the end of the shafts to store sprockets not used. Fertilizer Rate Calibration The charts on page 39 are based on fertilizer with average particle size and a density of 65 pounds per cubic foot. Differences in particle size, density and shape can cause wide variations in actual metering rates. Tire pressure and field conditions can also affect metering rates. After setting the rate as described under Fertilizer Adjustment, complete the following procedure to calibrate your drill. 1. Raise the drill with the tractor hydraulics so the gauge wheels are off the ground. Rotate the gauge wheels to see that the metering system is working properly and free from foreign material. 2. Check that your gauge-wheel tires are 9.5L x 15 and properly inflated. Refer to Tire Inflation Chart, Appendix, on page 64. Place several pounds of fertilizer over three fertilizer feed cups on the outside end of the drill box. Pull the fertilizer tubes off of these three disk openers. 3. Place a container under the three tubes to gather metered fertilizer. 4. Turn the gauge wheel 175 rotations until one acre has been tallied on the acremeter. Check that the three feed cups have plenty of fertilizer coming into them. 5. Weigh the metered material. Divide by three. Multiply by the number of openers on your drill to determine total pounds-per-acre metered. If this figure is different than desired, reset sprockets accordingly. NOTE: You may want to repeat the calibration procedure if your results vary greatly from the meter rate chart. 6. When satisfied with the metering rate, install the same range, driver and driven sprockets on each drill box. 7. When drilling, check the rate by noting acres drilled, amount of fertilizer added to drill and level of material in drill box. If you are applying more or less than desired, adjust the metering rate slightly to compensate for field conditions. 38 3S-3000 Three-Section Folding Drill M-A 11/9/07

41 Section 3 Adjustments Fertilizer Meter Rate Charts Based on 65 pounds-per-cubic-foot density Meter Rate Meter Rate Sprockets, 6-Inch Rows kg per lb. per Range Driver Driven ha acre Low 12 T 21 T Low 12 T 20 T Low 12 T 19 T Low 12 T 18 T Low 12 T 17 T Low 12 T 16 T Low 17 T 21 T Low 17 T 20 T Low 17 T 19 T Low 20 T 21 T Low 21 T 20 T Low 21 T 19 T Low 21 T 18 T Low 21 T 17 T Low 21 T 16 T Low 17 T 12 T Low 18 T 12 T High 12 T 21 T Low 19 T 12 T High 12 T 20 T Low 20 T 12 T High 12 T 19 T Low 21 T 12 T High 12 T 18 T High 12 T 17 T High 17 T 21 T High 17 T 20 T High 17 T 19 T High 20 T 21 T High 21 T 20 T High 21 T 19 T High 21 T 18 T High 21 T 17 T High 17 T 12 T High 18 T 12 T High 19 T 12 T High 20 T 12 T High 21 T 12 T Meter Rate Meter Rate Sprockets, 7 1/2-Inch Rows kg per lb. per Range Driver Driven ha acre Low 12 T 21 T Low 12 T 20 T Low 12 T 19 T Low 12 T 18 T Low 12 T 17 T Low 12 T 16 T Low 17 T 21 T Low 17 T 20 T Low 17 T 19 T Low 20 T 21 T Low 21 T 20 T Low 21 T 19 T Low 21 T 18 T Low 21 T 17 T Low 21 T 16 T Low 17 T 12 T Low 18 T 12 T High 12 T 21 T Low 19 T 12 T High 12 T 20 T Low 20 T 12 T Low 21 T 12 T High 12 T 19 T High 12 T 18 T High 12 T 17 T High 17 T 21 T High 17 T 20 T High 17 T 19 T High 20 T 21 T High 21 T 20 T High 21 T 19 T High 21 T 18 T High 21 T 17 T High 17 T 12 T High 18 T 12 T High 19 T 12 T High 20 T 12 T High 21 T 12 T Meter Rate Meter Rate Sprockets, 10-Inch Rows kg per lb per Range Driver Driven ha acre Low 12 T 21 T Low 12 T 20 T Low 12 T 19 T Low 12 T 18 T Low 12 T 17 T Low 12 T 16 T Low 17 T 21 T Low 17 T 20 T Low 17 T 19 T Low 20 T 21 T Low 21 T 20 T Low 21 T 19 T Low 21 T 18 T Low 21 T 17 T Low 21 T 16 T Low 17 T 12 T Low 18 T 12 T Low 19 T 12 T High 12 T 21 T High 12 T 20 T Low 20 T 12 T High 12 T 19 T Low 21 T 12 T High 12 T 18 T High 12 T 17 T High 17 T 21 T High 17 T 20 T High 17 T 19 T High 20 T 21 T High 21 T 20 T High 21 T 19 T High 21 T 18 T High 21 T 17 T High 17 T 12 T High 18 T 12 T High 19 T 12 T High 20 T 12 T High 21 T 12 T Density Conversion Chart The fertilizer meter rate charts are based on fertilizer with a density of 65 pounds per cubic foot. If you are applying fertilizer of a different density, use the following table to convert the application rate. Density Conversion Factor Example: Your fertilizer has a density of 75 pounds per cubic foot, and you want to apply 100 pounds per acre. Multiply the desired application rate by the conversion factor. 100 x 0.87 = 87 Adjust drill to the setting closest to 87 pounds per acre. 11/9/07 3S-3000 Three-Section Folding Drill M-A 39

42 Section 3 Adjustments Great Plains Mfg., Inc. Seeding Depth General Description The 3S-3000 has double-disk openers with depth-controlling press wheels mounted on floating opener frames. This system provides accurate depth control and seed placement over uneven terrain. When used with live closed-center tractor hydraulics, the drill provides constant opener down pressure through a wide range of opener movement. The following is an introduction to the seeding components and how they work. Double Disk Openers Each opener is mounted on a floating opener frame. Opener bodies are staggered for easy soil flow. Long and short opener bodies provide for 7" of stagger for planting through residue. All openers pivot on a common axis to maintain consistent depth as opener frames follow contours. A single spring provides down pressure necessary for the double disks to open a seed furrow. The spring allows openers to float down into depressions and up over obstructions. Individual openers can be adjusted to account for tire tracks. Refer to page 42 for individual opener adjustment instructions. Press Wheels A press wheel is attached to each opener body. Press wheels provide two important functions. First, press wheels close seed furrows and gently press soil over seed. To provide consistent seed firming, press wheels are free to move down from normal operating position. This maintains pressing action even if opener disks encounter obstructions or hard soil. Second, press wheels control seeding depth. To maintain a consistent depth, the relationship between the bottom of the opener disks and press wheel is fixed upwardly by an adjustable stop on each opener. The position of the adjustable stop determines how deep seed is placed. Raising the stop increases seeding depth. Lowering the stop decreases seeding depth. Refer to page 42 for press wheel adjustment. Floating Opener Frames Each drill section has an opener frame which pivots about the centerline of the drill gauge wheels. These floating opener frames have the ability to rock the openers 15 degrees up and 15 degrees down as a group. By pivoting at the gauge wheels, openers maintain a consistent depth as opener frames rock up and back. Down pressure for each opener frame is provided by two cylinders working on a constant lever arm. When combined with live hydraulics, cylinders provide constant down pressure across the width of each opener frame regardless of how the frame is positioned. Two cylinders per opener frame along with special trunnions also provide some ability for one end of an opener frame to rock independent of the other while maintaining constant opener down pressure across the frame. A pressure-control valve on each circuit allows you to adjust down pressure. The opener frame has one adjustment point for two different operating positions one for drilling with normal down pressure and another for drilling with high down pressure. 40 Refer to Opener Frame Adjustments, page Series Opener Down Pressure! DANGER! Crushing hazard You will be seriously injured or killed if you are caught between raising openers and drill frame. Always stop tractor engine, set park bake, and remove key before adjusting or servicing openers. Keep all bystanders well away during drill operation.! WARNING! Escaping fluid under pressure can penetrate the skin causing serious injury. Avoid the hazard by relieving pressure before disconnecting hydraulic lines. Use a piece of paper or cardboard, NOT BODY PARTS, to check for suspected leaks. Wear protective gloves and safety glasses or goggles when working with hydraulic systems. If an accident occurs, see a doctor immediately. Any fluid injected into the skin must be surgically removed within a few hours or gangrene may result. Opener down pressure controls opener penetration and press-wheel soil firming. Use only enough down pressure to cut a furrow and maintain proper soil-firming over seed. Excessive opener down force may cause bulldozing of the openers in light soil conditions, and will lead to premature wear on opener components. The following chart shows the approximate force at the openers for a given pressure at the pressure control valve. Gauge Setting Pounds Force at Opener Disks 6 inch rows 7-1/2 inch rows 10 inch rows 200 PSI PSI PSI PSI PSI PSI PSI PSI PSI PSI PSI NOTE: To account for additional compaction from drill and tractor tires, set pressure on center section openers slightly higher than wing section openers. 3S-3000 Three-Section Folding Drill M-A 11/9/07

43 Section 3 Adjustments Active Hydraulic System To run the drill with constant opener down pressure requires an Active Hydraulic System. An Active Hydraulic System requires a tractor with closed-center hydraulics or pressure/flow compensated hydraulics powered by a variable displacement hydraulic pump. (If you are not familiar with your tractor's hydraulics, consult your tractor dealer.) NOTE: Tractors with load-sensing hydraulics must use the bypass valve to operate the S. Failure to use the bypass valve can cause major tractor damage. Before adjusting opener down pressure, set bypass valve as explained under Setting the Bypass Valve, page 26. openers for a given pressure setting. 3. Once pressure is set, lock knob with lock disk. IMPORTANT: To run the drill on tractors with open-center hydraulics or on tractors with fixed displacement hydraulic pumps you must install a Great Plains kit, part number A. Contact your Great Plains dealer for ordering information. Refer to Non-Active Hydraulics System on this page. To set down pressure: 1. Lower openers to the ground. Lock hydraulic lever forward for constant hydraulic flow. John Deere tractors with Sound-Gard Body: Use lever lock clip, John Deere part number R52667, to lock lever forward. See your tractor dealer for clip purchase and installation. John Deere 7000 Series tractors: Rotate valve detent selector to motor position to lock lever in forward position. John Deere 8000 Series tractors: Set timer to continuous. Push lever forward until detent clicks. Case-IH Magnum tractors: Lock lever forward in detent position. You may need to turn up detent pressure to its maximum setting. Do not tie hydraulic lever past detent position with a strap. See your tractor dealer for hydraulic-system details. Other tractors: Lock lever forward in detent position. You may need to turn up detent pressure to maximum or use a mechanical detent holder to hold lever forward. See your tractor dealer for proper means of providing constant flow to openers. 2. Turn knob on pressure-control valve, see Figure 3-7. While watching pressure gauge, turn knob until gauge shows desired pressure. Turn clockwise to increase pressure. Turn counterclockwise to decrease pressure. There is one pressure-control valve for the center section and one for the wing sections. As a general starting point, set hydraulic down pressure to 800 psi. For most field conditions, adjust down pressure between 200 and 1400 psi. Setting the opener down pressure above 1600 psi. will raise the drive wheels off the ground when the seed box is empty causing skips and poor seed metering. Refer to the chart on the previous page for approximate force at the Pressure Control Valves Figure Non-Active Hydraulic System To run the drill on tractors with open-center hydraulics or on tractors with fixed displacement hydraulic pumps requires a kit (Great Plains part number a). This kit utilizes a non-active hydraulic system which allows you to pressurize your openers down and lock in that pressure on level ground by holding the opener frames in a fixed position. To set down pressure: 1. Lower opener frames by pushing forward on tractor hydraulic lever. Lock lever temporarily in this position while adjusting opener down pressure. 2. Turn knob on pressure-control valve, see Figure 3-7. While watching pressure gauge, turn knob until gauge shows desired pressure. Turn clockwise to increase pressure. Turn counterclockwise to decrease pressure. There is one pressure-control valve for the center section and one for the wing sections. As a general starting point, set hydraulic down pressure to 800 psi. For most field conditions, adjust down pressure between 200 and 1200 psi. Setting the opener down pressure above 1600 psi. will raise the drive wheels off the ground when the seed box is empty causing skips and poor seed metering. Refer to the chart on the previous page for approximate force at the openers for a given pressure setting. 3. Once pressure is set, lock knob with lock disk. 4. After opener down pressure is set, return tractor hydraulic lever to neutral. This locks in the selected pressure, and opener frames will remain fixed in this position. 11/9/07 3S-3000 Three-Section Folding Drill M-A 41

44 Section 3 Adjustments IMPORTANT: Open-center tractors and tractors with fixed-displacement pumps are not designed to provide a continuous supply of pressurized oil to remote valves. Locking hydraulic lever forward on these tractors can cause overheating of hydraulic oil and tractor damage. After setting opener down pressure, always return hydraulic lever to neutral. NOTE: On some tractors with very positive remote hydraulic checks, a slight increase in the reading on the pressure gauges may occur after the tractor remote lever is returned to neutral. This is caused by back pressure on the opener cylinders and should be ignored. The NET OPERATING PRESSURE on the opener cylinders is maintained at the pressure you selected while the tractor remote lever was held forward, not at the "apparently increased" pressure. Reactivating the tractor lever forward will confirm this. Great Plains Mfg., Inc. tion and to maintain the proper firming action over the seed. Set the planting depth with the depth controlling press wheel and only use enough opener pressure to cut the proper seed groove and maintain the desired soil firming action. Excessive opener force will lead to excessive wear on the opener components. Individual Opener Pressure Adjustment The spring pressure on each individual opener can be increased slightly for penetrating hard soil when planting in tractor or drill tire tracks. The flange nut at the lower end of the opener spring can be adjusted upward a maximum of 1". See Figure 3-9. Each 1/4" adjustment adds about 13 LBS. force at the opener disk. Lock the flange nut in place with the jam nut after making a spring pressure adjustment. 00 Series Opener Adjustments Depth Controlling Press Wheel Adjustment Attached to the rear of each opener is one of several optional press wheels. The press wheels close the furrow and gently press soil over the seed while also providing depth control for the opener. To adjust the position of the press wheel, which automatically changes the seeding depth of the opener, lift the "T" handle located on top of the opener and slide it forward or rearward until the seeding depth is correct as shown in Figure 3-8. Moving the handle forward plants shallower while moving the handle rearward plants deeper. A spring loaded pin holds the "T" handle at the setting to maintain the proper depth. Lift the opener frames slightly to take the pressure off the "T" handles when adjusting the press wheel depth Individual Opener Pressure Adjustment Figure 3-9 Individual Opener Height Adjustment It is sometimes necessary to lower an opener which runs in the depression left by a tire track. Each individual opener can be lowered 1" by moving the opener pivot bolt to the lower hole in the opener mount. See Figure Press Wheel Adjustment Figure The opener pressure setting as described in Opener Pressure Adjustments, this section on page 40, controls the soil firming pressure on the press wheel as well as the disk penetrating force. DO NOT use more opener down pressure than necessary to obtain the desired opener penetra Individual Opener Height Adjustment Figure S-3000 Three-Section Folding Drill M-A 11/9/07

45 Section 3 Adjustments 00 Series Opener Frame Adjustments The opener frame has one adjustment point to allow two different operating positions. This adjustment as shown in Figure 3-11 is located on the opener frame trunnion pivot castings located just ahead of the openers. This casting contains three cross holes. The lower hole is a pivot for controlling the tilt of the opener tube. For most normal drilling conditions the other bolt should be assembled in the second hole from the top. This position is for drilling with normal opener down pressure (200 psi to 1200 psi). When drilling with high opener down pressure (above 1200 psi) Remove the bolt from the second hole and place it in the top hole on all six trunnions across the drill. This tilts the opener tube back to accommodate the higher opener down pressures and gives the opener frames their full range up and down rocking motion. 00 Series Seed-Lok Lock Up Optional Seed-Lok firming wheels provide additional seed-to-soil contact. The wheels are spring loaded and do not require adjusting. In some wet and sticky conditions the wheels may accumulate soil. To lock up Seed Lok wheels, hook bottom of hanger (1) under Seed Lok arm (2) as shown in Figure Opener Frame Adjustment Figure Series Seed Lok Figure Series Disk Scraper Adjustment To keep opener disks turning freely, dirt scrapers are mounted between disks to clean as the disks rotate. As field conditions vary, you may need to adjust scrapers. In damp conditions, lower scrapers. If openers are not turning freely, raise scrapers. To adjust, loosen 3/8-inch bolt, shown in, and move scraper as needed. See Figure Disk scraper Adjustment bolt Opener Frame Adjustment Figure /9/07 3S-3000 Three-Section Folding Drill M-A 43

46 Section 3 Adjustments Bleeding The Marker Hydraulic System 1. Make sure the tractor hydraulic reservoir is full. 2. With the markers in field position, crack the hydraulic hose fittings the base and rod ends of each marker cylinder. With the tractor at idle speed, activate your tractor hydraulic valve forward until oil seeps out around one of the hose fittings. When oil begins to seep out around a fitting, tighten that fitting. Reverse the tractor hydraulic valve until oil appears at the opposite hose fitting and tighten that fitting. If you have dual markers which are controlled by a sequence valve, activate your tractor hydraulic valve forward again until oil seeps out around one of the fittings on the other marker cylinder and tighten that fitting. Reverse the tractor hydraulic valve until oil seeps out around the remaining hose fitting and tighten it. 3. Fold and unfold the markers slowly in order to work all the air out of your marker hydraulics. Use caution when folding and unfolding the markers for the first time, and check for pinching and kinking of hoses.! CAUTION! You may be injured if hit by a folding or unfolding marker. Markers may fall quickly and unexpectedly if the hydraulics fail. Never allow anyone near the drill when folding or unfolding the markers. Great Plains Mfg., Inc. shown in Figure There are two adjustment screws, one for raising (#1), and one for lowering (#2) the markers. The "Raise" and "Lower" adjustment screws are identified by stamped markings in the valve body. Turn the adjustment screws clockwise to slow the speed down and counterclockwise to speed it up. Adjustments should be made for safe operating speeds at the tractors operating RPM. Excessive folding speed could damage the markers and may void the warranty. Be sure to tighten the jam nuts on the hex adjustment screws to hold the desired settings. Speed Adjustment Figure ! WARNING! Escaping fluid under pressure can penetrate the skin causing serious injury. Avoid the hazard by relieving pressure before disconnecting hydraulic lines. Use a piece of paper or cardboard, NOT BODY PARTS, to check for suspected leaks. Wear protective gloves and safety glasses or goggles when working with hydraulic systems. If an accident occurs, see a doctor immediately. Any fluid injected into the skin must be surgically removed within a few hours or gangrene may result. Dual Markers With Sequence Valve Marker Speed Adjustment Dual markers are equipped with a sequence valve to control marker lift sequence. Starting with both marker up, the sequence is: 1. Activate the remote hydraulic lever; right marker lowers while left marker stays up. 2. Reverse the remote hydraulic lever; right marker raises while left marker stays up. 3. Activate the remote hydraulic lever again; left marker lowers while right marker stays up. 4. Reverse the remote hydraulic lever; left marker raises while right marker stays up. 5. The sequence repeats this same pattern. Dual marker raise and lower speeds are adjusted with hex adjustment screws on the body of the sequence valve as 44 3S-3000 Three-Section Folding Drill M-A 11/9/07

47 Section 3 Adjustments Single Marker Speed Adjustment The single marker hydraulic system is equipped with a needle valve to control how fast the marker operates. The needle valve is located in the hydraulic hose line at the rod end of the marker cylinder as shown in Figure Turn the adjustment knob clockwise to slow the speed down and counterclockwise to speed it up. Adjustments should be made for safe operating speeds at the tractors operating RPM. Excessive folding speed could damage the marker and may void the warranty. Transport Carrier When the marker is folded, the 2nd section should be centered in the transport carrier saddle and lay parallel with the top of the drill box. To adjust the front to rear position of the storage saddle, loosen the 1/2" x 6" u-bolts (#1) which fasten the transport carrier mount to the box frame and slide the transport carrier assembly forward or backward as needed. To adjust the height of the transport carrier saddle, loosen the 1/2" x 2" u-bolts (#2) which hold the carrier tube to the mounting bracket and slide the carrier tube up or down as needed. Figure 3-22 illustrates these two adjustments. Faster Slower Needle Valve Single Marker Speed Adjustment Needle Valve Figure Marker Transport Carrier Adjustment Figure /9/07 3S-3000 Three-Section Folding Drill M-A 45

48 Section 3 Adjustments Marker Chain There are two basic adjustments needed on the marker chain, especially in new installation. These adjustments are interrelated and should be done in the following order: Refer to Figure 3-23 when making the adjustments. 1. Lifting Slack. Start with the marker in the unfolded position. Back the full threaded adjustment bolt (#1) down until the head extends as little as possible. Slowly fold the marker, observing the motion of the disk. If the marker disk slides across the ground more than about a foot before the chain and linkage lifts it up, the chain is too long. Shorten the chain by moving the clevis (#2) one or two links inboard from the end of the chain. Check the adjustment by repeating the folding process. If the chain is too short when the marker is unfolded, it will prevent the end of the marker from dropping down to follow a depression in the field. Correct this condition by moving the utility clevis (#2) one or two links toward the end of the chain to make it longer. 2. Folding Slack. After the adjustments in step one have been completed, fold the marker. The full threaded adjustment bolt (#1) is provided to take the slack out of the chain while the marker is in the folded position. Fold the marker and extend this bolt until the slack is out of the chain. Lock the bolt in this position by tightening the nuts (#3) on either side of upright channel (#4). Great Plains Mfg., Inc. Disk Adjustment The aggressiveness and mark left by the marker disk may be changed by two methods: Refer to Figure 3-24: 1. Disk Angle. To change the angle of cut loosen the two 1/2" bolts holding the disk assembly, and rotate the disk assembly as desired. 2. Direction of Cut. The disk may be mounted to throw dirt either in or out which will give different marks in different soil conditions. To change the direction of cut: a. Reverse the blade and depth band by remounting the four lug bolts on the disk hub. b. Reverse the angle of the assembly by removing the two 1/2" bolts holding the disk assembly, and turning the disk assembly one half turn. Reinstall the 1/2" bolts and set the disk angle Shear Bolt Marker Chain Adjustment Figure Disk Blade Adjustments Figure S-3000 Three-Section Folding Drill M-A 11/9/07

49 Section 3 Adjustments Breakaway Protection The marker arm is attached to the marker body with a 3/8" shear bolt as shown back in Figure If excessive force is applied to the marker during operation, the shear bolt will break, allowing the marker arm to swing away rather than cause damage to the marker. NOTE: The breakaway bolt is a 3/8-16 x 2" long grade 2 (GP# C). It is identified as a grade 2 by having no marks on the head. If is breaks, it must be replaced by an equivalent grade 2 bolt to prevent marker damage. 11/9/07 3S-3000 Three-Section Folding Drill M-A 47

50 Section 3 Adjustments Seed and Fertilizer Capacity The 3S-3000F is equipped with standard dividers that partition the drill boxes into 59.6-bu. seed compartments and 37.6-bu. fertilizer compartments. This ratio is suitable for many common applications. If you require greater seed or fertilizer capacity, optional offset dividers, part number C, allow you to change the ratio. To install or remove the dividers, refer to Figure Remove the 5/16-in. bolts (1) and flange nuts (2) from the tabs (3) at each end of the drill box. 2. Remove the 5/16-in. bolts (4) and nuts (5) from the lid hinge brackets (6). 3. Loosen but do not remove the 1/4-in bolts (7) and nuts that clamp the lid assembly (8) angle irons to the plastic dividers (9). Box Divider Removal Figure Lift the lid assembly (8) out of the drill box. Lift the dividers (9) out of the drill box. Reinstall the standard or offset dividers. Figure 3-26 shows the proper positioning for the dividers to achieve different ratios. 5. Reinstall lid assembly by reversing steps 1, 2 and 3. 60% Seed 40% Fertilizer Drill Box Capacity Ratios Capacity Ratio Capacity Per Foot Total Capacity, 30-Ft. Drill Fertilizer Standard Divider Seed Seed 65 Lb/Ft 3 Fertilizer Seed 65 Lb/Ft 3 Fertilizer 60% 40% 2 bu. 102 lb bu bu. 68% Seed 32% Fertilizer 55% Seed 45% Fertilizer Offset Divider 68% 32% 2.2 bu. 84 lb bu bu. 55% 45% 1.8 bu. 119 lb bu bu Seed-to-Fertilizer Ratios Figure S-3000 Three-Section Folding Drill M-A 11/9/07

51 Section 4 Troubleshooting Section 4 Troubleshooting Problem Uneven seed spacing or uneven stand Opener disks not turning freely Actual seeding rate is different than desired Excessive seed cracking Acremeter doesn t measure accurately Uneven seeding depth Press wheel not compacting the soil as desired Solution Check for plugging in feed cup. Check to see if seed tubes are plugged. Reduce ground speed. Check opener disks to see they turn freely. Use faster drive type speed and close feed cup flutes to a more narrow position. Hydraulic pressure on openers set too low causing opener to not penetrate. Check for trash or mud build-up on Seed-Lok Wheel. Hydraulic pressure on openers set too high causing gauge wheels to loose contact with ground Check for trash or mud build-up on disk scraper. Readjust scraper. Check to see if scraper is adjusted too tight and is restricting disk movement. Check disk bearings. Check opener frame for possible damage. If opener disks turn freely by hand but not in field, lessen down pressure on opener hydraulics. Check press wheel adjustment for seeding depth. Check tire pressure. Proper inflation is listed in the Tire Inflation Chart in the Appendix section on page 64. Check wing gauge wheel size. Proper size is 9.5L-15 6ply. Seed treatment will affect seeding rate if the chemicals build up in seed cup. Unless cleaned regularly, this build-up can cause breakage of the feed shaft. Check drill box setting. Heavier or lighter than average seed weight being planted. See Operator s Manual for instructions on calculating seed rate. Use slower drive speed and open flutes in feed cup to a wider position. Position feed cup handles to a lower notch. Check tire pressure. Proper inflation is listed in the Tire Inflation Chart in the Appendix section on page 64. Check gauge wheel tire size. Proper size is 9.5L-15 6ply. Check planting operation for excessive overlap or gaps between passes. Loose soil conditions and slippage will cause variations in acres registered. To check accuracy of acremeter see Seed Rate Calibration in the Adjustments section on page 32. Check to be sure your acremeter is for your drill. See section on depth adjustments. See the Drill Preparation and Setup section for Tractor Draw Bar Hook-Up on page 17, and Leveling The Drill on page 12. Reset press wheel depth, see the Adjustments section on page 32 for seeding and press wheel adjustments. Hydraulic down pressure on disk openers is not enough. 11/9/07 3S-3000 Three-Section Folding Drill M-A 49

52 Section 4 Troubleshooting Problem Grain box not emptying evenly Press wheel or openers plugging Feed cup sprockets locked up or twisted feed drive shaft Openers drill too deep (Bulldozing) Front of openers dropping too low in hard or minimum till conditions Openers raise when tractor remote hydraulic lever is held forward and lower when lever is held rearward Opener frames do not float over uneven terrain Pressure gauges read zero when openers are lowered and tractor remote hydraulic lever is held forward. Pressure gauges show pressure when the openers are raised. Transport lock channels will not stay in position for transport. Hydraulic marker functioning improperly (Optional equipment) Marker disk does not mark (Optional equipment) Chain-debris/retainer clip Solution Great Plains Mfg., Inc. Certain models do not have the same number of seed cups between each divider of bulkhead. The section with the larger number of cups will empty sooner. If drill has multiple boxes, check drive sprocket arrangement on each box to see that they are set the same. Drilling in damp or wet conditions may increase this problem. Reduce hydraulic down pressure on openers. Does not back up drill in field, or stop and allow drill to roll backwards with openers in the ground. Check Seed-Lok Wheel. Check for foreign matter lodged in one or more feeder cup sprockets. Liquid insecticide from seed has dried within feed cups. Remove build up by disassembling each feed cup and scrape foreign substance from the turning surfaces. NOTE: Liquid insecticide should be applied with caution and care should be taken to clean the feed system after drilling treated seeds. Reduce hydraulic down pressure on openers Check press wheel adjustment Set opener frame cross bolt in top hole. See Opener Frame Adjustments in the Adjustments section on page 43. Opener hydraulic down pressure set too high Reverse the hydraulic hoses at the tractor quick couplers. Tractor remote hydraulic lever not being held in the forward position on the circuit designed for hydraulic motor control. See Active Hydraulic System in the Adjustments section on page 41. The hoses are routed incorrectly between the pressure control valve and the opener lift cylinders. See the hydraulic hose routing diagrams in the Appendix section on page 64. The hoses are routed incorrectly between pressure control valve and opener lift cylinders. See hydraulic hose routing diagrams in Appendix section, page 64. Check u-shaped clip in lock channel. Clip must clasp cylinder rod securely. If necessary, tighten or loosen clip by turning the bolt on the clip. Before transporting, check that the hydraulic cylinders have settled against the lock channels. The weight of the cylinders help hold the lock channels in place. Check all hose fittings and connections for air and oil leaks. Check tractor hydraulic oil level. Check all bolts and fasteners. If needle valve is plugged; open valve, cycle markers, and reset the needle valve. The maximum marker down float is limited by the slots at the rod end of the marker cylinder. If the blade does not drop down to follow depressions in the field, make sure the marker cylinder is fully extended. The blade may be reversed to pull dirt in or throw dirt out depending on soil conditions. If a smooth blade does not provide an adequate mark an optional notched (no-till) blade assembly is available through your Great Plains dealer. Under some conditions, the more aggressive notched blade will leave a more visible mark. Be sure retainer clip open end is facing the opposite way of chain travel. 50 3S-3000 Three-Section Folding Drill M-A 11/9/07

53 Section 5 Maintenance and Lubrication Section 5 Maintenance and Lubrication Maintenance Proper servicing and adjustment is the key to the long life of any farm implement. With careful and systematic inspection, you can avoid costly maintenance and repair. 1. After using your drill for several hours, check all bolts to be sure they are tight. Lubricate areas noted under the Lubrication on page Adjust idlers to remove excess slack from chains. Clean and use chain lube on all roller chains as needed. 3. Feed cup drive sprocket should be oiled in its square bore. Move feed cup adjustment lever away from sprocket as far as possible in order to get oil back into square. 4. Always maintain proper air pressure in rib implement tires. 5. Disk scrapers should be kept properly adjusted. 6. Clean the drill on a regular basis. Regular and thorough cleaning will lengthen equipment life and reduce maintenance and repair. 7. Replace any worn, damaged or illegible safety labels by obtaining new labels from your Great Plains dealer. 3S-3000F Clean Out After using fertilizer in the 3S-3000F, clean the drill boxes as soon as possible. 1. With a small scoop or can, remove as much fertilizer as possible from the drill box. 2. Unlatch the clean-out door as shown in Figure 5-1. Be prepared to collect fertilizer that spills from the drill box. 3. Wash the inside of the drill boxes with water under high pressure. To aid in clean out, lift the vinyl washout cover and spray into the fertilizer tray. See Figure Fertilizer Tray Wash-Out Figure Fertilizer Clean-Out Door Unlatched Figure /9/07 3S-3000 Three-Section Folding Drill M-A 51

54 Section 5 Maintenance and Lubrication Great Plains Mfg., Inc. Openers If the raising or lowering times of the opener are noticeably slower, check the inline filter and clean if needed. See Figure 5-3. For S/N YY : 1. To disassemble unscrew end cap of filter (7) opposite direction of flow. Remove large (2) and small (3) springs from inside the filter. Pull the poppet (4) up out of filter. Using a hook, pull up filter seat (5) and screen (6). 2. Clean filter screen with solvent and compressed air. 3. When reassembling push filter seat (5) and screen (6) back into filter. Place poppet (4) in filter with arrow tip down. Replace springs (2) (3) and end cap (7). For S/N YY : 1. To disassemble unscrew end cap of filter (1). Remove top retaining washer and screen. 2. Clean filter screen with solvent and compressed air or replace if needed. 3. When reassembling put screen into filter. Place retaining washer on top of filter and screw on end cap (1). S/N YY Storage 1. Thoroughly clean the drill boxes and feed cups as described under Clean Out on this page. Do not store the drill with fertilizer or seed-treatment residue in the boxes and cups. 2. Lubricate and adjust all roller chains. 3. Lubricate all pivots as indicated in the following Illustrations. 4. Feed cup drive sprocket hub should be oiled in its square bore. Squirt oil on to the square feed cup shaft and move feed cup adjustment lever back and forth in order to get the oil back into the square bore. This is most important before putting the drill in storage. 5. Lock opener frames up for transport or disconnect the seed and fertilizer hoses from the openers. Permanent elongation and premature cracking of hoses may occur if stored with hoses connected and the openers in planting position. 6. Store the drill, and its attachments, inside if possible for longer drill life S/N YY Inline Hydraulic Filters Figure S-3000 Three-Section Folding Drill M-A 11/9/07

55 Section 5 Maintenance and Lubrication Lubrication Lubrication Legend Multipurpose spray lube Multipurpose grease lube Multipurpose oil lube 50 Intervals at which lubrication is required 50 Feed Cup Drive Sprocket Type of Lubrication: Oil As Required Speed Change Shaft to Feed Cup Roller Chain Type of Lubrication: Chain Lube As Required Clutch to Speed Change Shaft Roller Chain Type of Lubrication: Chain Lube 11/9/07 3S-3000 Three-Section Folding Drill M-A 53

56 Section 5 Maintenance and Lubrication Great Plains Mfg., Inc. As Required Drive Hub to Clutch Shaft Roller Chain Type of Lubrication: Chain Lube 10 Clutches Two zerks on each. Smear grease on clutch engagement Type of Lubrication: Grease 10 Telescoping Transfer Drive Shaft Two zerks on shaft Type of Lubrication: Grease 10 Opener Frame Pivots (Center section and inner wing sections) Two per center section and one on wing section Type of Lubrication: Grease 54 3S-3000 Three-Section Folding Drill M-A 11/9/07

57 Section 5 Maintenance and Lubrication 10 Opener Frame Pivot at Drive Wheels Type of Lubrication: Grease 10 Box Frame Horizontal Pivot Pin Three zerks per horizontal pivot pin. Type of Lubrication: Grease Toolbar Vertical Pivot Pin Two zerks per vertical pivot pin Type of Lubrication: Grease 2-3 Years Gauge Wheel Drive Bearings Repack Type of Lubrication: Wheel bearing grease 11/9/07 3S-3000 Three-Section Folding Drill M-A 55

58 Section 5 Maintenance and Lubrication Great Plains Mfg., Inc. 50 Transport Axle Pivot Bearings (Only one zerk shown) Two zerks per transport axle Type of Lubrication: Grease 50 Transport Box Lift Pivot Two zerks per box lift pivot tube Type of Lubrication: Grease 2-3 Years Transport Hub Bearings Repack Type of Lubrication: Wheel bearing grease 56 3S-3000 Three-Section Folding Drill M-A 11/9/07

59 Section 5 Maintenance and Lubrication Optional Markers Additional Lubrication 10 Marker Hinge Points Three pivots per marker Type of Lubrication: Grease Years Marker Disk Bearings Repack Type of Lubrication: Grease 11/9/07 3S-3000 Three-Section Folding Drill M-A 57

60 Section 5 Maintenance and Lubrication Great Plains Mfg., Inc. 3S-3000F Additional Lubrication As Required Fertilizer Drive Chains Type of Lubrication: Spray Quantity = Coat chains thoroughly Fertilizer Shaft Bearings Both ends of shaft, each drill box Type of Lubrication: Grease Quantity = Until resistance is felt Felt Barrier Seals Both ends of shaft, each drill box Type of Lubrication: Oil Quantity = Soak seal S-3000 Three-Section Folding Drill M-A 11/9/07

61 Section 6 Options Section 6 Options S-3000 Flat Folding Marker The 3S-3000 flat fold marker is a hydraulically operated ground marking disk unit which leaves a center line mark for the tractor follow, allowing you to keep the correct row spacing from one drill pass to the next. This marker option is sold as a single marker for mounting on the left end on your drill, or a dual markers for mounting on both ends of your drill. The dual markers are hydraulically plumbed together with a sequence valve to allow alternate activation between the two markers from a single hydraulic circuit. Both marker options come with a double selector valve which allows you to tie the marker hydraulic circuit in with the fold hydraulic circuit so additional tractor hydraulic supply valves are not necessary. For more information refer to: Marker Operation in the Operating Instructions section starting on page 30 Marker Bundles A 30' 3-Section Single LH Flat Fold Marker A 30' 3-Section Dual Flat Fold Marker Series Seed Lok Firming Wheel The optional spring loaded Seed-Lok TM Firming Wheel presses the seed directly into the bottom of the soil V-groove cut by the disks to assure the best contact between soil and seed. Firming each seed into the bottom of the V-groove results in even emergence, since seeds are planted and firmed at the same depth. This option bolts directly to the scraper mount of your standard drill openers. Seed Lok Bundle K Solid Stand Removable 5 Seed Lok Assembly K Solid Stand Removable 5 Seed Lok Assembly 11/9/07 3S-3000 Three-Section Folding Drill M-A 59

62 Section 6 Options Great Plains Mfg., Inc. 3S-3000 Feed Cup Plugs Feed Cup Plugs are available to block off individual rows when planting with wider row spacing is desired. These plugs are installed by pushing them into the feed cup openings on the desired rows. Feed Cup Plugs C 1 3/4 Wide Feeder Cup Plug S-3000 Shaft Monitors The optional 3 Channel Shaft Monitor is an electronic monitoring system to detect when the feed cup shafts stop turning and warn the user of a possible problem situation. If a feed cup shaft stops for a period of 30 seconds, an alarm will sound and a warning light will come on designating the failed shaft. For more information refer to: Shaft Monitor Operation in the Operating Instructions section starting on page 31. Shaft Monitor Bundle A Vansco 3-Channel Shaft Monitor S-3000 Three-Section Folding Drill M-A 11/9/07

63 Section 6 Options S-3000 Two Outlet Tractor Hydraulic Kit For optimum efficiency and ease of operation your tractor should have at least three sets of remote hydraulic outlets to operate: (1) The opener lift circuit, (2) The transport lift circuit, and (3) The transport fold circuit. Tractors with two sets of remote hydraulic outlets can be used if you install the "Two Outlet Tractor Hydraulic Kit". This kit combines the transport lift hydraulic circuit and opener lift hydraulic circuit with a double selector valve mounted on the tongue of the drill. The hydraulic marker option, also comes with a double selector valve to combine the marker hydraulic circuit with the transport fold hydraulic circuit. To operate a drill equipped with markers on a tractor with two sets of remote hydraulic outlets, the opener lift hydraulic circuit and transport lift hydraulic circuit are combined with a double selector valve in the "Two Outlet Tractor Hydraulic Kit", and the marker hydraulic circuit and transport fold hydraulic circuit are combined with a double selector valve in the marker kit. For more information refer to: Tractor Requirements in the Operating Instructions section page 17. Two Outlet Tractor Hydraulic Bundle A 3-Section Two Outlet Tractor Hydraulic Kit 3S-3000 Dual Gauge Wheels The dual gauge wheel option is available to upgrade your drill from single wing gauge wheels to dual wing gauge wheels. This provides more flotation for the wing sections of your drill in loose field conditions. Dual Gauge Wheel Update Kit A Dual Accessory Gauge Wheel Field Update Kit /9/07 3S-3000 Three-Section Folding Drill M-A 61

64 Section 6 Options Great Plains Mfg., Inc. 3S-3000F Offset Box Divider The 3S-3000F is equipped with standard dividers that partition the drill boxes into 60 percent seed and 40 percent fertilizer. Optional offset dividers allow you to run 68 percent seed and 32 percent fertilizer or 55 percent seed and 45 percent fertilizer. To change the seed-to-fertilizer ratio using the optional dividers, refer to Seed and Fertilizer Capacity, Adjustments, on page 48. Optional Offset Box Divider C Offset Divider Insert Point-Row Clutches The 3S-3000 can be outfitted with clutches and controls that allow you to raise and lower openers on each drill section independently. For information on operating the clutches, refer to Point Row Operation, Operating Instructions, page 31. To order the point-row option, contact your Great Plains dealer. Optional Point-Row Clutches A 3S-3000 POINT ROW ACC S-3000 Three-Section Folding Drill M-A 11/9/07