Page 1 Table of Contents Operator Manual NTA2007 (2016) 6 Meter (20-Foot) No-Till Air Drill Manufacturing, Inc. www.greatplainsmfg.com Read the Manual Type 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! Illustrations may show optional equipment not supplied with standard unit or may depict similar models where a topic is identical.
Page 2: Machine Identification
Machine Identification Record your machine details in the log below. If you replace this manual, be sure to transfer this information to the new manual. If you or the dealer have added options not originally ordered with the machine, or removed options that were originally ordered, the weights and measurements are no longer accurate for your machine.
Page 3 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.
Page 4 NTA2007 (2016+) Cover Lift Lock Troubleshooting ..........96 Gauge and Caster Wheels without Brake Option ..115 Brake Troubleshooting (Option) ........97 Leveling Implement ............115 ® Magnehelic Gauge Troubleshooting .....98 Wing Leveling (Eye Bolts) ........116 Maintenance and Lubrication ..........99 Marker Shear Bolt ..........117 Maintenance Lift Lock............100...
Page 5: Important Safety Information
NTA2007 (2016+) Table of Contents Important Safety Information Look for Safety Symbol The SAFETY ALERT SYMBOL indicates there is a potential hazard to personal safety involved and extra safety precaution must be taken. When you see this symbol, be alert and carefully read the message that follows it.
Page 6: Wear Protective Equipment
NTA2007 (2016+) Table of Contents Important Safety Information Wear Protective Equipment  Wear protective clothing and equipment.  Wear clothing and equipment appropriate for the job. Avoid loose-fitting clothing.  Because prolonged exposure to loud noise can cause hearing impairment or hearing loss, wear suitable hearing protection such as earmuffs or earplugs.
Page 7: Handle Chemicals Properly
NTA2007 (2016+) Table of Contents Important Safety Information Handle Chemicals Properly Agricultural chemicals can be dangerous. Improper use can seriously injure persons, animals, plants, soil and property.  Do not use liquid seed treatments with this machine.  Read and follow chemical manufacturer’s instructions.
Page 8: Use Safety Lights And Devices
NTA2007 (2016+) Table of Contents Important Safety Information Use Safety Lights and Devices Slow-moving tractors and towed implements can create a hazard when driven on public roads. They are difficult to see, especially at night.  Use flashing warning lights and turn signals whenever driving on public roads.
Page 9: Practice Safe Maintenance
NTA2007 (2016+) Table of Contents Important Safety Information Practice Safe Maintenance  Understand procedure before doing work. Use proper tools and equipment. Refer to this manual. For brake work, see specific safety information beginning on page 109.  Work in a clean, dry area.
Page 10: Safety Reflectors And Decals
Keep lights in operating condition. Keep all safety decals clean and legible. Replace all damaged or missing decals. Order new decals from your Great Plains dealer. Refer to this section for proper decal placement. When ordering new parts or components, also request corresponding safety decals.
Page 11: Reflectors: Daytime
NTA2007 (2016+) Table of Contents Important Safety Information Reflectors: Daytime 838-267C On rear face of reflector support tube near lights (inside of red reflectors); 2 total See “Transport Safety Information” on page 38. 31286 Reflectors: Amber 838-265C On sides of cart frame above tires,...
Page 12 NTA2007 (2016+) Table of Contents Important Safety Information Danger: Chemicals 31234 818-323C On each hopper, near lid, 1 or 2 total. Danger: Confined Space 31234 818-628C On each hopper, near lid, 1 or 2 total Warning: Flying Objects and Dust...
Page 13 NTA2007 (2016+) Table of Contents Important Safety Information Caution: Radar in Use 848-577C On top side of tongue near hitch, 1 total See “Minimize Radiation Exposure” on page 2. 38602 Caution: Read Operator Manual 818-630C 38602 On left side of tongue near hitch;...
Page 14 NTA2007 (2016+) Table of Contents Important Safety Information Caution: Towing 848-623C On tongue near hitch; 1 total 38602 See “Transport Safety Information” on page 38. Warning: High Pressure Fluid 818-437C WARNING HIGH PRESSURE FLUID HAZARD To prevent serious injur y...
Page 15 NTA2007 (2016+) Table of Contents Important Safety Information Danger: Do Not Ride 848-583C On right-hand side; cart side frame. On left-hand side; near ladder. 2 total 38602 Warning: Falling Hazard 848-575C On right-hand side; cart side frame. On left-hand side; at ladder top.
Page 16 NTA2007 (2016+) Table of Contents Important Safety Information Warning: Rolling Hazard 848-760C WARNING ROLLING HAZARD To avoid serious injury or death from free rolling machine: Use provided chock blocks to chock cart tires in direction of grade when machine is parked.
Page 17 NTA2007 (2016+) Table of Contents Important Safety Information Danger: Crush (Marker) 848-581C On wing tip outside faces; 2 total See “Marker Operation (Option)” on page 65. 31281 Danger: Marker Crush 848-580C On wing outside faces; 2 total See “Marker Safety Information” on page 65.
Page 18 NTA2007 (2016+) Table of Contents Important Safety Information Warning: Pinch Point 848-582C On front face of wing pivot links, on outside faces of rear parallel arms; 4 total See “Unfolding and Folding” on page 29. 31281 Warning: Crushing Hazard 848-579C On bottom forward face of wing pivot weldment (faces outward when wings are folded);...
Page 19 NTA2007 (2016+) Table of Contents Important Safety Information Caution: Tire Pressure and Torque 838-595C CAUTION To Avoid Injury or Machine Damage from improper Tire Inﬂation or Torquing of Wheel Bolts: Maximum inﬂation pressure of tires is 90 psi. Torque wheel bolts to 90 - 105 ft-lb.
Page 20: Models Covered
NTA2007 (2016+) Table of Contents Introduction Great Plains welcomes you to its growing family of new product owners. Your NTA2007 (2016+) 6 Meter (20- Foot) No-Till Air Drill has been designed with care and built by skilled workers using quality materials. Proper setup, maintenance, and safe operating practices will help you get years of satisfactory use from the machine.
Page 21: Owner Assistance
Great Plains products. Your machine’s parts were specially designed and should only be replaced with Great Plains parts. Always use the serial and model number when ordering parts from your Great Plains dealer. Record your product model and serial number here for...
Page 22: Preparation And Setup
NTA2007 (2016+) Table of Contents Preparation and Setup This section helps you prepare your tractor and drill for use, and covers seasonal tasks, and tasks when the tractor/drill configuration changes. Before using the drill in the field, you must hitch the drill to a suitable tractor, inspect systems and level the drill.
Page 23: Hitching Tractor To Drill
NTA2007 (2016+) Table of Contents Preparation and Setup Hitching Tractor to Drill Crushing Hazard: You may be severely injured or killed by being crushed between the tractor and drill. Do not stand or place any part of your body between drill and moving tractor. Stop tractor engine and set tractor parking brake before attaching cables and hoses 1.
Page 24: Hydraulic Hose Connections
Make sure tractor engine is shut off before connecting any hydraulic hoses. Great Plains hydraulic hoses are color coded to help you connect hoses to your tractor outlets. Hoses that go to the same remote valve have the same color handles.
Page 25 NTA2007 (2016+) Table of Contents Preparation and Setup Brake Connections (Option) Two braking (trailer braking) systems are available for the drill: • Hydraulically controlled. Refer to Figure 6. • Air controlled. Refer to Figure 7 In both systems, the tractor’s trailer brake system actuates the brakes on the drill.
Page 26 NTA2007 (2016+) Table of Contents Preparation and Setup Air Brake Connections (Option) Refer to Figure 8 1. Locate the button for the shunt valve on the left-hand side of the machine near the ladder Make sure the button is pulled all the way out.
Page 27: Electrical Connections
NTA2007 (2016+) Table of Contents Preparation and Setup Hydraulic Brake Connections (Option) 1. Make sure tractor engine is shut off before connecting any hydraulic hoses. 2. Connect the hydraulic line from drill to tractor trailer brake outlet. 3. The factory default connector is a 19 mm poppet- style QD (quick disconnect).
Page 28: Wheel Chocks
NTA2007 (2016+) Table of Contents Preparation and Setup Wheel Chocks 1. Verify that the tractor transmission is in Park, and that the tractor’s parking brake is applied. Refer to Figure 14 and Figure 15 Two sets of wheel chocks (4 chocks total) are provided to secure the drill when parked.
Page 29: Heights And Leveling
NTA2007 (2016+) Table of Contents Preparation and Setup Heights and Leveling All frame sections must be at the correct height and level to maintain even planting depth. The hitch height sets cart frame level, and must be at a consistent height to both maintain level, and maintain radar speed calibration.
Page 30: Checking Drill Height
NTA2007 (2016+) Table of Contents Preparation and Setup Figure 16 38274 Tongue Heights Checking Drill Height The drill is designed to operate with all sections of the main tool bar nominally:  65cm (25 in) above the planting surface, at a planting depth of: ...
Page 31: Marker Setup
NTA2007 (2016+) Table of Contents Preparation and Setup When checking tool bar height: 1. Move the drill to representative planting soil conditions. 2. Check tongue height (page 25). 3. Unfold and lower the implement (page 29). 4. Pull forward a meter (a few feet) or so to put openers in ground.
Page 32: Pre-Start Checklist
NTA2007 (2016+) Table of Contents Operating Instructions This section covers general operating procedures. Experience, machine familiarity, and the following information will lead to efficient operation and good working habits. Always operate farm machinery with safety in mind. Pre-Start Checklist Perform the following steps before transporting the drill to the field.
Page 33: Unfold/Fold: About The Hydraulics
NTA2007 (2016+) Table of Contents Operating Instructions Unfolding and Folding Unfold/Fold: Safety Information Overhead crushing hazard: Unfold and fold implement only if fold hydraulics have smooth, even movements, and are fully charged with hydraulic oil. Keep away and keep others away when unfolding or folding.
Page 34 NTA2007 (2016+) Table of Contents Operating Instructions When the terminal is not activated, the wing gauge wheels must be positioned manually using a tractor remote lever. Unfolding These steps presume the drill is raised and folded for transport, such as at initial delivery. Follow the detailed instructions in step 1 through step Note:, beginning on this page, until this is a familiar operation.
Page 35 NTA2007 (2016+) Table of Contents Operating Instructions 6. Extend the fold cylinders to: 6a. Extend the gauge wheels to the raised position. 6b. Lower the wings. Note: One wing may reach the ground before the other. It is not uncommon for the folding to be slightly non-symmetrical.
Page 36 NTA2007 (2016+) Table of Contents Operating Instructions Refer to Figure 22 3. Locate the wing lock bars . Make sure they arenot in the wing lock lugs . As needed, rotate the orange wing service lock handle (top forward) until the locking bar is raised to and held at vertical.
Page 37 NTA2007 (2016+) Table of Contents Operating Instructions Fold: Verify Lift Lock Refer to Figure 26 1. Inspect the center section lift lock to ensure that: 1a. Weight transfer cylinder is fully retracted, 1b. lock cylinder is extended, and 1c. lock lug...
Page 38 NTA2007 (2016+) Table of Contents Operating Instructions Lowering and Raising Drill Lowering/Raising Safety Information Crushing Hazard During Lowering: Stay clear of wings and openers during lowering and raising. Wings are extremely heavy and are driven down with hydraulic pressure. Coulters and opener discs are sharp. During lowering, openers will cut or crush anything beneath them, and can cause serious injury or death.
Page 39 NTA2007 (2016+) Table of Contents Operating Instructions Lowering Refer to Figure 27 1. Check that maintenance lock channels are not installed on gauge wheel lift cylinders. 2. Check that center section lift lock is disengaged. If not: • If lock cylinder is extended, perform a brief unfold operation (Extend the Fold circuit) to retract the lock cylinder.
Page 40 NTA2007 (2016+) Table of Contents Operating Instructions Raising Equipment Damage Risk: Raise the implement for folding and unfolding. If lowered, inside wing openers drag or dig sideways during fold/unfold, and damage is likely. Equipment Damage Risk: Always raise the implement for tight turns and reverse/backing operations.
Page 41 NTA2007 (2016+) Table of Contents Operating Instructions Refer to Figure 30 5. Verify that all persons are safely clear of implement sections. 6. Have an observer stand where the observer can see the lock cylinder, and the tractor operator can see the observer.
Page 42 NTA2007 (2016+) Table of Contents Operating Instructions Transporting the Air Drill Transport Safety Information Inadequate Tractor Hazard: Tractor must weight at least 67% of the drill as towed. Ensure that the towing vehicle is adequate for the task. Using an inadequate tow vehicle is extremely unsafe, and can result in loss of control, serious injury and death.
Page 43: Tractor Requirements
NTA2007 (2016+) Table of Contents Operating Instructions Tractor Requirements The figures in the table below represent a limited number 31153 of configurations. The weight of your drill can vary by hundreds of pounds, even if it is the same base model, due to installed options and/or after-market equipment.
Page 44 NTA2007 (2016+) Table of Contents Operating Instructions Service Brake Operation (Option) The “service” or “trailer” brake system is controlled by the brake system on the tractor. The drill brake system consists of main cart wheel brakes and a hand brake.
Page 45 NTA2007 (2016+) Table of Contents Operating Instructions Hydraulic Brake System (Option) Application and release of tractor brakes applies and releases the brakes on the drill. A single hydraulic line connected to the tractor trailer brake port sends hydraulic oil to the emergency valve...
Page 46 NTA2007 (2016+) Table of Contents Operating Instructions Air Brake System (Option) The brakes are applied with air pressure. Brakes are released by spring tension in the brake chambers The brakes are controlled by air pressure from the tractor through the yellow-coded air line .
Page 47: Ladder Operations
NTA2007 (2016+) Table of Contents Operating Instructions Ladder Operations A ladder is provided on the left end of the cart walkboard for material loading and routine lid/hopper maintenance. This ladder pivots vertically, and is held in the raised position by a spring-loaded pin. A gas piston regulates tilting speed minimizing risk of injury during lowering.
Page 48: Hopper And Tank Lid Operations
NTA2007 (2016+) Table of Contents Operating Instructions Hopper and Tank Lid Operations Hopper Lid Operation begins on this page. Related Topics “Loading Hopper Materials” on page 47 “Unloading Materials” on page 102 “Material Clean-Outs” on page 104 Hopper Lid Safety Information...
Page 49: Lid Closing
NTA2007 (2016+) Table of Contents Operating Instructions Hopper Lid Opening Refer to Figure 36 and Figure 37 (which depict an earlier lid version without pivot stop and extra loop handle) 1. Lift handle 2. Swing handle out until hook releases from U-bolt shackle 3.
Page 50: Meter Doors
NTA2007 (2016+) Table of Contents Operating Instructions Meter Doors Refer to Figure 38 and Figure 39 Each meter box has two meter doors on the bottom, a front meter door and a rear meter door. Open Both meter doors are used for meter clean-out.
Page 51: Loading Hopper Materials
NTA2007 (2016+) Table of Contents Operating Instructions Loading Hopper Materials 1. Take appropriate precautions for handling materials. Whether using auger or hand-loading, dust is likely. Review Materials Safety Data Sheets (MSDS). 2. Review hopper lid safety information on page 44.
Page 52: Loading Seed Or Dry Fertilizer
NTA2007 (2016+) Table of Contents Operating Instructions Loading Seed or Dry Fertilizer Loading: Use a Tractor 1. Securely hitch drill to a tractor with adequate weight and power. Park drill on solid, level ground. See Variable Hitch Load: Tractor Requirements, “Appendix A - Reference Loading materials increases the hitch load.
Page 53 NTA2007 (2016+) Table of Contents Operating Instructions Loading: Air-Out System Refer to Figure 41 1. At each empty hopper to be loaded, open both meter Material Mis-Application Risk: doors. See “Meter Doors” on page 46. Before filling the drill for the first time, and at the beginning of each season, check the entire bin for leaks.
Page 54 NTA2007 (2016+) Table of Contents Operating Instructions Calibration Bag and Scale Refer to Figure 43 Under the left end of the walkboard, there is a storage compartment for the calibration bag and digital scale. Remove the pin and open the storage compartment. A hook is provided to hang the scale for weighing.
Page 55 4. Select the field underneath ‘Target Rate’ and enter the rate you are wanting to plant at. The values for your ‘Calibration Factor’ will be found by running a calibration test. Great Plains recommends not entering these values manually. 5. To start your calibration run, from metering settings, enter your desired rate.
Page 56 NTA2007 (2016+) Table of Contents Operating Instructions Refer to Figure 47 9. Hang the scale on the hook provided on the right-hand front corner of the cart frame. Hang the empty calibration bag on the scale. Zero the scale. Figure 47...
Page 57 NTA2007 (2016+) Table of Contents Operating Instructions Refer to Figure 49 11. Locate the calibration diverter for the metering hose. Slide the calibration diverter to the open position. 12. Start the tractor engine and start the fan. Set the fan speed.
Page 58 NTA2007 (2016+) Table of Contents Operating Instructions Refer to Figure 51 18. Go back to the terminal. Once the calibration button is released on the machine, you should have a new screen appear on the terminal. 19. Enter the weight in the box that appears after the calibration button is released.
Page 59 4. Select the field underneath ‘Target Rate’ and enter the rate you are wanting to plant at. The values for your ‘Calibration Factor’ will be found by running a calibration test. Great Plains recommends not entering these values manually. 5. To start your calibration run, from metering settings, enter your desired rate.
Page 60 NTA2007 (2016+) Table of Contents Operating Instructions Refer to Figure 55 7. Tap to run the calibration. If the calibration is in the process of running, you should see the following screen: Note: This screen will automatically go to the calibration confirmation screen once you have finished running the machine calibration.
Page 61 NTA2007 (2016+) Table of Contents Operating Instructions Refer to Figure 58 11. Start the tractor engine and start the fan. Set the fan speed. See “Air System Adjustments” on page 77. 12. Adjust the weight transfer system. See “Weight Transfer Adjustments” on page 80.
Page 62 NTA2007 (2016+) Table of Contents Operating Instructions Refer to Figure 60 20. Once calibration is complete, return to the home screen by using the icon. When you are on the home screen, go ahead and lower the drill’s hydraulics and turn on the fan. Ensure that the hopper lid is closed.
Page 63: Planting Rate Information
NTA2007 (2016+) Table of Contents Operating Instructions Planting Rate Information Planting Rate Chart Pounds per Acre Star Shaft Gear Configuration Calibration Range Factor (lb) Driving Driven Small Four Seeds Star Star 4.8 mph 8.5 mph 17-T 36-T 54-T 17-T 36-T...
Page 64: Air System Operation
NTA2007 (2016+) Table of Contents Operating Instructions Air System Operation Figure 61 38215 Dual-Hopper (Double-Shoot) Air System Figure 62 38211 Single-Hopper Air System 2023-11-29 166-431M...
Page 65: Air Systems Overview
NTA2007 (2016+) Table of Contents Operating Instructions Air Systems Overview 1 Hydraulic Fan Pressure Balance Lines Primary Seed Hose 2 Fan RPM Sensor Hopper Pressure Sensor Distribution Tower 3 Diverter Vanes Seed Meter Secondary Seed Hose 4 Manifold Pressure Gauge...
Page 66 NTA2007 (2016+) Table of Contents Operating Instructions Shoot Conversion for Dual-Hopper Air System Double-Shoot to Single-Shoot Conversion 1. Park the tractor and the drill on a solid level surface. 2. Put the tractor in Park and apply the tractor parking brake.
Page 67: Fan Operation
NTA2007 (2016+) Table of Contents Operating Instructions Fan Operation Fan Safety Information Rotating Fan Blade Hazard: Do not operate the fan with guard screen removed. The fan accelerates instantly and with high torque. Body parts and clothing can be drawn into fan, resulting in death or serious injury.
Page 68 NTA2007 (2016+) Table of Contents Operating Instructions Fan General Information The hydraulic fan supplies the air stream that carries materials from the meters, through the primary hoses to the towers, then to the secondary hoses to the rows. The fan needs to be running in the correct direction, and within a narrow speed range, to reliably deliver material at your calibrated rates.
Page 69: Marker Operation (Option)
NTA2007 (2016+) Table of Contents Operating Instructions Marker Operation (Option) Dual markers are optional. See “ ” on page 124 for ordering information. Figure 66 shows the marker in the folded position and resting on the cradle Additional Marker Topics See also: “Marker Adjustments (Option)”...
Page 70: Marker Unfold And Fold
NTA2007 (2016+) Table of Contents Operating Instructions Marker Unfold and Fold Note: Which marker side extends at circuit activation is 1. Clear the area within 4m (12ft) of marker arms on somewhat unpredictable, as it depends on the both sides of the drill.
Page 71 NTA2007 (2016+) Table of Contents Operating Instructions Field Operations Final Field Checklists Use the following tables to develop a final checklist for Additional or fewer steps may be necessary depending your tractor/drill configuration. on tractor features, drill options and planting accessories.
Page 72: Field Operation
NTA2007 (2016+) Table of Contents Operating Instructions Field Operation Perform all steps in “Pre-Start Checklist” on page 28 and “Final Field Checklists” on page 67. Equipment Damage Risk: On a new drill, check and adjust hopper strap tension before and after each material load on the first day, then daily thereafter.
Page 73 NTA2007 (2016+) Table of Contents Operating Instructions Parking Follow these steps when parking the drill for periods of less than 36 hours. For longer periods, see Storage, the next topic. 1. Park the drill on solid, level surface. 2. If the drill has air brakes: a.
Page 74: Unfolded Storage
NTA2007 (2016+) Table of Contents Operating Instructions 9. Securely chock tires to prevent jack from digging or sliding off plate. See “Wheel Chocks” on page 24 WARNING • IMPROPER USE MAY RESULT IN PRODUCT FAILURE 10. If the drill has hydraulic brakes: •...
Page 75 NTA2007 (2016+) Table of Contents Operating Instructions 6. Check all bolts, pins, fittings and hoses. Tighten, repair or replace parts as needed. 7. Check all moving parts for wear or damage. Make notes of any parts needing repair or replacement before the next season.
Page 76: Adjustments Summary
NTA2007 (2016+) Table of Contents Adjustments Adjustments Summary To get full performance from your drill, you need an Even if your planting conditions rarely change, some of understanding of all component operations, and many these items need periodic adjustment due to normal provide adjustments for optimal field results.
Page 77: Speed (Radar) Calibration
NTA2007 (2016+) Table of Contents Adjustments Speed (Radar) Calibration Refer to “Calibrate Speed” under “Speed Settings” in the DrillCommand User Guide. See Document Family on page 18 for the part number of the manual. Setting Material Rates See “Calibration (S/N C1002G-)” on page 50.
Page 78: Seed Meter Final Drive Range
This will ensure that tramlines are formed uniformly. Tramlines are controlled via the in-cab terminal’s DrillCommand software. In addition to your terminal and NTA2007 (2016+) software, you must fit your machine with tramline motors that will shut off the flow of seed to the desired openers.
Page 79: Planting Depth Adjustments
NTA2007 (2016+) Table of Contents Adjustments Planting Depth Adjustments Planting depth is affected by several adjustments, summarized here: Refer to Figure 73 1. Soil Conditions: Changes in field conditions can require changes to several of the adjustments below. 2. Row Unit Opener Depth: (page 90) The T-handle directly controls opener depth by setting the press wheel height.
Page 80: Adjusting Tool Bar Height
NTA2007 (2016+) Table of Contents Adjustments Adjusting Tool Bar Height Refer to Figure 74 See “Heights and Leveling” on page 25 for how to check tool bar height. To change the tool bar height, add or remove master lift cylinder rod spacers...
Page 81: Air System Adjustments
NTA2007 (2016+) Table of Contents Adjustments Air System Adjustments Air System Settings There are two adjustments for the air system: Fan RPM Limits 1. Fan rpm (this page), Minimum Maximum which controls manifold air pressure, hopper air 2000 rpm 4500 rpm pressure, and material delivery velocity.
Page 82: Adjusting Fan Speed
NTA2007 (2016+) Table of Contents Adjustments Adjusting Fan Speed Fan Speed Tips Start with the rpm settings in the table on page 77. Adjust for your situation. • Higher fan speeds improve seed distribution, but high fan speeds also increase the chance of seed Start with flow on low setting of 3 to 45 litres/min damage and bounce.
Page 83: Diverter Vane Adjustments
To adjust a diverter vane: Note: If applying a single material on a single-shoot drill, • Loosen the nut Great Plains recommends loading the material • Rotate the handle to the horizontal position if into both hoppers and using half rate. Set diverter reduced flow is desired and all the way up if vanes for equal pressures to each meter.
Page 84: Weight Transfer Adjustments
NTA2007 (2016+) Table of Contents Adjustments Weight Transfer Adjustments Weight Transfer Safety Information Crushing Hazards: This adjustment requires working near the unfolded and lowered drill with the hydraulic system active. Assign two people to this task, one in the tractor cab, ready to shut the tractor down on hand signal from adjuster or any unplanned event.
Page 85: Weight Transfer Bypass Valve Adjustment
NTA2007 (2016+) Table of Contents Adjustments Weight Transfer Bypass Valve Adjustment The weight transfer bypass valve must be adjusted before adjusting the weight transfer circuit. Refer to Figure 78 A bypass valve is plumbed into the weight transfer circuit. Tractors with load-sensing, closed-center hydraulics require this bypass valve to protect the tractor hydraulic system.
Page 86: Weight Transfer Operation
NTA2007 (2016+) Table of Contents Adjustments Refer to Figure 79 6. Adjust both weight transfer circuits so gauges are at 1800 psi. 7. 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.
Page 87 NTA2007 (2016+) Table of Contents Adjustments Weight Transfer Preparation The weight transfer bypass valve must be adjusted before adjusting the weight transfer circuit. 1. Hitch drill to suitable tractor (page 19). Hydraulic power must be available for this adjustment. 2. Unfold implement (page 30). The wing transfer adjustment cannot be made with the wings folded.
Page 88: Frame-Mounted Coulter Adjustments
NTA2007 (2016+) Table of Contents Adjustments Frame-Mounted Coulters Frame-mounted coulters are used “in row” and not “zone”. They are intended to prepare the soil directly ahead of the seed furrow. The factory suggested default setting, with new coulter blades, at: ...
Page 89: Frame-Mounted Coulter Force
NTA2007 (2016+) Table of Contents Adjustments Frame-Mounted Coulter Force In normal operation at target running depth, the spring is at full extension or only slightly compressed. It compresses briefly as obstructions and denser soil are encountered. Coulter springs are set to 181 kg (400 lbs). In normal operation at target running depth, the spring is at full extension.
Page 90: Series Row Unit Adjustments
07 Series Row Unit Adjustments Refer to Figure 85 (which depicts a row unit fully populated with all optional accessories) From front to back, a Great Plains 07 Series row unit can include the following capabilities (some optional): 1. Frame-Mount Coulter: optional See “Frame-Mounted Coulter Adjustments”...
Page 91: Row Unit Spring Adjustment
NTA2007 (2016+) Table of Contents Adjustments Row Unit Spring Adjustment Row unit springs normally require no adjustment. The factory setting for the row unit springs is:  Spring length 324 mm (12  Assembly length 562 mm (22 In some unusual conditions, rows in tire tracks may need to be set heavier.
Page 92 NTA2007 (2016+) Table of Contents Adjustments Adjusting Disc Contact Sharp Object Hazard: Use caution when making adjustments in this area. Row unit disc blades may be sharp. Refer to Figure 88 1. Unfold implement. Configure implement for maintenance lift lock (page 100).
Page 93: Seed Firmer Adjustments
NTA2007 (2016+) Table of Contents Adjustments Seed Firmer Adjustments Refer to Figure 90 07 Series row units include a seed flap , and accept one of two optional seed firmers. The seed flap requires no adjustment, but may need to...
Page 94: Fertilizer Tube Adjustment
NTA2007 (2016+) Table of Contents Adjustments Fertilizer Tube Adjustment Refer to Figure 92 On a double-shoot drill, deeper dry fertilizer placement may be achieved by rotating the fertilizer tube to face forward. This orientation is suggested only if the seed firmer is a seed flap If a Seed-Lok™...
Page 95: Marker Adjustments (Option)
NTA2007 (2016+) Table of Contents Adjustments Marker Adjustments (Option) Review “Marker Safety Information” on page 65 before adjusting markers. There are four operating adjustments for markers: • “Marker Extension Adjustment”, pages 92Once set for a specific row spacing, this only needs periodic checking to ensure the clamp is secure.
Page 96: Marker Extension Adjustment
NTA2007 (2016+) Table of Contents Adjustments Marker Extension Adjustment At delivery, marker extension is typically set for shipment (arm fully retracted), and needs to be reset for field. Marker extension needs to be checked periodically thereafter, and needs to be checked and adjusted when: •...
Page 97: Marker Speed
NTA2007 (2016+) Table of Contents Adjustments Marker Speed There is one adjustment screw for unfolding speed and one for folding speed . You can identify adjustment screws by markings stamped in valve body. The screw marked “Raise” controls the folding speed. The screw marked “Lower”...
Page 98: Troubleshooting
NTA2007 (2016+) Table of Contents Troubleshooting See also: “Lift Lock Troubleshooting” on page 96, “Brake Troubleshooting (Option)” on page 97 Problem Causes Solutions Empty hopper Load material. No material flow Meter in use clogged Clean-out meter (page 104). (all rows)
Page 99 NTA2007 (2016+) Table of Contents Troubleshooting Problem Causes Solutions Incorrect seed rate, meter flutes, or rate range Check material rate information beginning on Planting too much setting. page 73. (all rows) Seed size and weight or fertilizer density and Calibrate. Adjust rate to compensate.
Page 100: Lift Lock Troubleshooting
NTA2007 (2016+) Table of Contents Troubleshooting Problem Causes Solutions Coulters set too deep Raise opener frame (page 76). Openers product too deep Incorrect press wheel adjustment. Readjust press wheel, page 90. (Bulldozing) Front of openers dropping too low in Coulters set too deep Raise opener frame (page 76).
Page 101: Brake Troubleshooting (Option)
NTA2007 (2016+) Table of Contents Troubleshooting Brake Troubleshooting (Option) Problem Causes Solutions Stop immediately. Wait for brakes to cool Smoke or odd burning completely. Moderate downhill speed by using odor from axle area Overheated brakes, typically on long steep hills lower gear and frequent full stops.
Page 102: Magnehelic ® Gauge Troubleshooting
NTA2007 (2016+) Table of Contents Troubleshooting Problem Causes Solutions Brakes adjusted too tight Shorten brake adjusting rods Brakes always engaged, both wheels Hydraulic brakes: Supply line is causing brakes to be always on. Air: Tractor air brake lines Reverse air line connections at hitch.
Page 103: Maintenance And Lubrication
3. Check for air leaks at lids, doors, seals, caps and hose connections. 4. Inflate tires as specified in the . 5. Replace any worn, damaged or illegible safety decals. Order new decals from your Great Plains dealer. “Safety Decals” on page 6. 2023-11-29 166-431M...
Page 104: Maintenance Lift Lock
NTA2007 (2016+) Table of Contents Maintenance and Lubrication Maintenance Lift Lock Crush and Pinch Hazards; Equipment Damage Risk: Do not rely on hydraulics to hold the implement at lift. Use the maintenance lift locks provided. Unlocked lift cylinders settle over time. Implement sections can crush anyone working under them.
Page 105: Hopper Strap Maintenance
NTA2007 (2016+) Table of Contents Maintenance and Lubrication Hopper Strap Maintenance Refer to Figure 102 A new drill requires frequent attention to the hopper straps, as the hoppers seat, and periodic attention thereafter, due to continued hopper seating and strap stretching.
Page 106: Unloading Materials
NTA2007 (2016+) Table of Contents Maintenance and Lubrication Unloading Materials Unloading Safety Information Unloading materials has the same risks as loading Entrapment and Rapid Suffocation material. Review the advice on page 47. Hazard: Unloading Procedure Never enter a hopper for loading or unloading.
Page 107 NTA2007 (2016+) Table of Contents Maintenance and Lubrication 7. Locate the yellow button on the left-hand side of the machine near the ladder . Squeeze the yellow button and the collar under the yellow button and pull  them out approximately inch.
Page 108: Material Clean-Outs
NTA2007 (2016+) Table of Contents Maintenance and Lubrication Material Clean-Outs For normal unloading of residual materials at completion of planting, see “Unloading Materials” on page 102. Review Regulations and Policies: The present section covers completely cleaning out The steps at left apply when there are no specific clean-up...
Page 109: Problem Clean-Outs
NTA2007 (2016+) Table of Contents Maintenance and Lubrication Problem Clean-Outs For normal unloading of residual materials at completion of planting, see “Unloading Materials” on page 102. For normal clean-out of residue, see “Material Clean-Outs” on page 104. If, however, parking and storage recommendations have not been followed, or material is defective, it is possible to have hard-to-remove material present.
Page 110 NTA2007 (2016+) Table of Contents Maintenance and Lubrication Hopper entry may be necessary in some unusual circumstances, such as: • hopper level or pressure sensor replacement; or, • removal of obstructions too difficult to pull out with the meter box removed and not susceptible to fishing or pumping out from the open lid.
Page 111: Implement Lift Switch Adjustment
NTA2007 (2016+) Table of Contents Maintenance and Lubrication Implement Lift Switch Adjustment Refer to Figure 106 and Figure 107 An implement lift switch on the drill turns seed metering off when the implement is raised. To adjust the switch activation height, first locate the implement lift switch on the implement (center section, upper parallel arm at right rear).
Page 112: Fan Speed Switch Adjustment
NTA2007 (2016+) Table of Contents Maintenance and Lubrication Fan Speed Switch Adjustment Refer to Figure 106 and Figure 107 An fan speed switch is located in the fan. The fan speed switch counts the revolutions of the three mounting screws inside the fan.
Page 113 NTA2007 (2016+) Table of Contents Maintenance and Lubrication 4. Slowly loosen hydraulic filter and relieve any residual pressure in line. When disconnecting hose, support the end to minimize fluid loss. 5. To disassemble unscrew end cap of hydraulic filter. Remove top retaining washer and screen.
Page 114: Air Brake Filter Cleaning
NTA2007 (2016+) Table of Contents Maintenance and Lubrication Air Brake Maintenance Air Reservoir Draining Prior to storage, or daily in humid operations, drain water from the air reservoir tank . Draining the air reservoir can prevent rust inside the tank and rust contamination of the brake valve system.
Page 115 NTA2007 (2016+) Table of Contents Maintenance and Lubrication 4. Locate the button for the shunt valve on the left- hand side of the machine near the ladder. Push the button all the way in to empty the air reservoir This will release the air from the air brake system.
Page 116 9600 km. If you are unable to confirm that you are removing and 1. Review the entire procedure. Great Plains suggests installing ADR approved parts, you may have linings that performing a complete operation on one wheel at a contain asbestos.
Page 117: Cart Wheel Installation
NTA2007 (2016+) Table of Contents Maintenance and Lubrication 7. If the drill has air brakes: a. Disconnect the red-coded gladhand first and then the yellow-coded gladhand. Close the covers on the gladhands. Store the gladhands on the mounting bracket b. Locate the button for the shunt valve on the left-hand side of the machine near the ladder.
Page 118 NTA2007 (2016+) Table of Contents Maintenance and Lubrication Wheel Hardware Torque Cart Wheel 1. Check the torque of the cart wheel hardware daily. 2. Make a mark on the wheel as a starting point.Tighten the wheel hardware in stages to the specified torque in the order shown in the figure.
Page 119: Leveling Implement
NTA2007 (2016+) Table of Contents Maintenance and Lubrication Gauge and Caster Wheels without Brake Option 1. Check the torque of the hardware daily. 2. Make a mark on the wheel as a starting point.Tighten the wheel hardware in stages to the specified torque in the order shown in the figure.
Page 120: Wing Leveling (Eye Bolts)
NTA2007 (2016+) Table of Contents Maintenance and Lubrication Wing Leveling (Eye Bolts) Wing tip tool bar height is normally set by the wing lift cylinders. These are re-phasing cylinders operating as slaves to the center section (master) lift cylinders. The master cylinder lowering limit is set by spacers.
Page 121: Marker Maintenance (Option)
If the shear bolt breaks, replace it with an equivalent:  -16x4in Grade 5 bolt (Great Plains part 802-223C). If that size is not immediately available in your area, temporarily substitute an M10x10.0 Class 8.8 metric bolt.
Page 122: Lubrication And Scheduled Maintenance
NTA2007 (2016+) Table of Contents Maintenance and Lubrication Lubrication and Scheduled Maintenance Intervals (operating Multi- Multi- Multi- Inspection hours) at purpose purpose purpose Air Reservoir Drain (Air Brake Option) As required 1 drain valve on air reservoir Prior to storage or daily in humid operations. Pull the ring to open drain valve and drain water.
Page 123: Tire Pressures
NTA2007 (2016+) Table of Contents Maintenance and Lubrication Wheel Hardware Torque Daily 2 cart tires 2 gauge wheels 2 caster wheels Check wheel hardware torque daily. See “Wheel Hardware Torque” on page 114 38287 Null4: Tire Pressures Daily 2 cart tires...
Page 124 NTA2007 (2016+) Table of Contents Maintenance and Lubrication Coulter Hub Bearings 1 grease fitting each coulter; 32 or 40 total Lubrication: multi-purpose grease Amount: until resistance is felt Note: These grease fittings only serve the coulter hubs. 13879 Coulter arm pivots are lubricated from the grease banks.
Page 125 NTA2007 (2016+) Table of Contents Maintenance and Lubrication Caster Brakes Seasonal One UHMW brake piston each caster; 2 total. Replace UHMW piston if its length is less than  32 mm (1 in). Also replace piston if missing, damaged, tilted, or top of piston is visible.
Page 126 NTA2007 (2016+) Table of Contents Maintenance and Lubrication Implement Wheel Bearings Seasonal 2 races each wheel, 2 wing gauge wheels, 2 rear caster wheels; 8 races total Lubrication: bearing grease Amount: clean and pack Note: These hubs are also provisioned with a grease fitting.
Page 127 NTA2007 (2016+) Table of Contents Options Alternate Flute Shafts Set From the factory, the drill is equipped with a 4-star flute shaft . Alternate flute shafts, 3-star and 2-star , are available for lower seed rates. A small seed flute shaft is available for small seeds.
Page 128: Row Options
NTA2007 (2016+) Table of Contents Options Tramline Tramline kits configure one or more row units to cease seeding during specific passes, creating un-planted rows for transit of equipment post-emergence. Each kit provides components to control one row on each side. The control solenoids are located in the towers.
Page 129: Seed-Lok™ Seed Firmer
NTA2007 (2016+) Table of Contents Options Seed Firmers The standard drill includes seed flaps. The election of Seed-Lok™ firmers is an option in the main drill product bundles. Either Seed-Lok™ or Only one type of seed firmer may be installed at the same time (seed flaps are usually shortened but left in place).
Page 130: Appendix A - Reference Information
NTA2007 (2016+) Table of Contents Appendix A - Reference Information Specifications and Capacities NTA2007-2 3275 NTA2007-2 4006 Number of Openers Row Spacing (Nominal) 19.1 cm (7.5 inches) 15.2 cm (6.0 inches) Wing Flex Standard: 10° Down; Unlimited Up Standard: 10° Down; Unlimited Up Limited: 2.5°...
Page 131: Dimensions (Transport)
NTA2007 (2016+) Table of Contents Appendix A - Reference Information Dimensions (Transport) 135 in Transport Height, Unfolded (Top of Towers) 195 in 7.5 in Transport Clearance 382 in Transport Length 156 in Transport Height, Folded Transport Width, Folded 114.5 in...
Page 132: Tire Inflation Chart
NTA2007 (2016+) Table of Contents Appendix A - Reference Information Tire Inflation Chart Tire Size Inflation Tire Warranty Information Cart Tires, 23.5/55-26 2.76 bar Without Optional 12 ply (40 psi) All tires are warranted by the original manufacturer of the tire.
Page 133: Torque Values Chart
NTA2007 (2016+) Table of Contents Appendix A - Reference Information Torque Values Chart Bolt Head Identification Bolt Head Identification Bolt Bolt 10.9 Size Size Grade 2 Grade 5 Grade 8 Class 5.8 Class 8.8 Class 10.9 ft-lb ft-lb ft-lb ft-lb...
Page 134: Hydraulic Diagrams
NTA2007 (2016+) Table of Contents Appendix A - Reference Information Hydraulic Diagrams Cart Hydraulics Port Functions Port Functions Implement Lower Implement Lift Markers (Option) Markers (Option) Figure 125 38344 Cart Hydraulics 2023-11-29 166-431M...
Page 135 NTA2007 (2016+) Table of Contents Appendix A - Reference Information Left Wing Hydraulics Figure 126 38345 Left Wing Hydraulics 2023-11-29 166-431M...
Page 136 NTA2007 (2016+) Table of Contents Appendix A - Reference Information Dual Hopper Hydraulics Figure 127 38346 Dual Hopper Hydraulics 2023-11-29 166-431M...
Page 137 NTA2007 (2016+) Table of Contents Appendix A - Reference Information Single Hopper Hydraulics Figure 128 38347 Single Hopper Hydraulics 2023-11-29 166-431M...
Page 138: Marker Hydraulics (Option)
NTA2007 (2016+) Table of Contents Appendix A - Reference Information Marker Hydraulics (Option) Rear of Cart Front of Cart Figure 129 38196 Optional Markers 2023-11-29 166-431M...
Page 139 NTA2007 (2016+) Table of Contents Appendix A - Reference Information Air Brakes (Option) Figure 130 38196 Optional Air Brakes 2023-11-29 166-431M...
Page 140: Hydraulic Brakes (Option)
NTA2007 (2016+) Table of Contents Appendix A - Reference Information Hydraulic Brakes (Option) Figure 131 38195 Optional Hydraulic Brakes 2023-11-29 166-431M...
Page 141: Appendix B - Initial Setup
If your tractor has no pre-existing UT, a Mueller terminal (shown right) is available through Great Plains. Contact your dealer for more information. For setup, refer to the user guide for your terminal.
Page 142 NTA2007 (2016+) Table of Contents Appendix B - Initial Setup Fold Cylinder Counterbalance Valves Adjustment Refer to Figure 135 Prior to first folding operation, check the adjustment of the fold cylinder counterbalance valves. Note: The front fold cylinder counterbalance valve controls the flow at the base end of the fold cylinders.
Page 143: Appendix C - Option Installation
NTA2007 (2016+) Table of Contents Appendix C - Option Installation Changing a Flute Shaft To order reduced or increase the rate or change to a small seeds rate, see “Alternate Flute Shafts Set” on page 123.. To install a set of these flute shafts (or install the standard shafts), start with the front meter, as the task is a bit easier there.
Page 144: Scraper Installation
890-357C SCRAPER-SPRING LOAD-AIR DESIGN If the blades were not completely pre-assembled, select one each: K7090 AIR DESIGN SCRAPER LH SIDE K7091 NTA2007 (2016+) K7096 SPACER AND WASHER ASSEMBLY K7093 AIR DESIGN SCRAPER 15LB SPRING Nest one side ( ) behind the other. Connect the...
Page 145: Warranty
This Warranty is limited to the replacement of any defective part by Great Plains and the installation by the dealer of any such replacement part. Great Plains reserves the right to inspect any equipment or part which are claimed to have been defective in material or workmanship.
Page 146 NTA2007 (2016+) Table of Contents Appendix C - Option Installation 2023-11-29 166-431M...
Page 147 NTA2007 (2016+) CoverTable of Contents Index mechanical ........67 riders ........11 meters ......... 67 warning adjustments ........72 pre-setup ........18 falling ......11 agitator shaft ........74 pre-start ........28 fan hazard ......10 air brake filter ........110 row units ........67 high pressure fluid ....10...
Page 148 ...........20 no-till ........16 rocky conditions ........85 safety ..........2 NPT ..........128 rose, orientation ........16 NTA2007 (2016+)-3275 ..... 16 row unit height ........84 NTA2007 (2016+)-4006 ..... 16 row unit spring ........87 implement lift switch ......107 Important!, defined ......16 in-line filter ........108 obstructions ........
Page 149 NTA2007 (2016+) CoverTable of Contents seed flap ........89 tongue height ........25 818-323C, decal ........8 seed monitor ........68 tool bar height ........26 818-437C, decal .........10 Seed-Lok ........89 tower count ........139 818-557C, decal ........9 sensor, hopper level ......106 towing vehicle capability ....
Page 150 NTA2007 (2016+) Table of Contents 2023-11-29 166-431M...
Page 152 Great Plains, Mfg. 1525 E. North St. P.O. Box 5060 Salina, KS 67402...

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