Great Plains 606NT Operator Manual
Table of Contents Index
Operator Manual
3P606NT, 606NT
2007+ 3P605NT and 605NT
6-Foot No-Till Drills
Manufacturing, Inc.
www.greatplainsmfg.com
Read the operation 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!
25106
25105
Illustrations may show optional equipment not supplied with standard unit.
ORIGINAL INSTRUCTIONS
© Copyright 2014 Printed 2014-02-10 151-061M
Table of Contents Index
EN
Table of Contents Index
Table of Contents Index
Great Plains Manufacturing, Inc. Cover Index iii
Table of Contents
Important Safety Information ......................................1
Safety Decals .................................................................6
Introduction ................................................................12
Description of Unit ........................................................12
Intended Usage ........................................................12
Models Covered .......................................................12
Document Family......................................................12
Using This Manual........................................................13
Owner Assistance ........................................................13
Preparation and Setup ...............................................14
Pre-Setup Checklist......................................................14
Hitching Tractor to Drill.................................................14
Hitching Model 3P605NT or 3P606NT ..................... 14
Hitching Model 605NT or 606NT..............................15
Hydraulic Hose Hookup (605NT or 606NT)..........16
Electrical Connections..................................................16
Height and Leveling the Drill ........................................17
Height Setup: Model 3P605NT or 3P606NT ............17
Adjusting 3-Point Height .......................................17
Height Setup: Model 605NT or 606NT ..................... 18
Set Tool Bar Height ..............................................18
Level Model 605NT or 606NT ..............................18
Operation Instructions...............................................19
Pre-Start Checklist .......................................................19
Transporting 3P605NT or 3P606NT.............................20
Use an Adequate Tractor (3-Point)...........................20
3P605NT or 3P606NT Example Weights.................20
Transporting 605NT or 606NT .....................................21
Use an Adequate Tractor (Pull-Type)....................... 21
605NT or 606NT Example Weights.......................... 21
Use Transport Locks ................................................22
Loading Seed ............................................................... 24
Main Seed Box Loading ..........................................24
Loading Native Grass Box....................................... 24
Loading Small Seeds Box .......................................24
Field Operation.............................................................25
Re-Phasing Cylinders............................................... 25
Acremeter Operation ....................................................26
Parking .........................................................................27
Storage.........................................................................28
Adjustments................................................................29
Frame Weight Adjustment............................................30
Coulter Adjustments..................................................... 31
Coulter Depth ........................................................... 31
Coulter Down-Force ................................................. 32
Drive Clutch Adjustment .............................................. 32
05/06 Series Row Unit Adjustments ............................ 33
Opener Spring..........................................................34
Disc Blade Adjustments ........................................... 35
Disc Scraper Adjustment.......................................... 36
Seed Firmer Adjustments......................................... 37
Seed-Lok® Lock-Up (Option) ............................... 37
Keeton® Seed Firmer Adjustment (Option) .......... 37
Small Seeds Tube Adjustment (Option)................... 38
Opener Depth (Press Wheel Height) ....................... 38
Troubleshooting......................................................... 39
Maintenance and Lubrication ................................... 42
Maintenance ................................................................ 42
Drive Idler Adjustment (605NT or 606NT)................ 43
Seed Clean-Out ....................................................... 43
Main Box Clean-Out............................................. 43
Native Grass Box Clean-Out................................ 44
Small Seeds Box Clean-Out ................................ 44
Seed Flap Replacement .............................................. 45
Current Drill Model Flap ........................................... 45
Older Drill Model Flap .............................................. 45
Bleeding Hydraulics ................................................. 46
Chain Maintenance .................................................. 47
Chain Slack .......................................................... 47
Gearbox Maintenance..............................................47
Lubrication and Scheduled Maintenance..................... 48
Options ....................................................................... 53
Seed-Lok® Seed Firmer........................................... 59
Appendix A - Reference Information........................ 60
Specifications and Capacities ...................................... 60
Tire Pressures.............................................................. 60
Torque Values Chart.................................................... 61
Hydraulic Diagram ....................................................... 62
Drive System Diagrams ............................................... 63
Appendix B - Pre-Delivery......................................... 67
Appendix C - Accessory Installation........................ 68
Carbide Disc Scraper Installation................................. 68
Warranty ..................................................................... 69
Index............................................................................ 71
© Copyright 2006, 2007, 2008, 2009, 2011, 2012, 2014 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.
2014-02-10 Cover Index 151-061M
Trademarks of Great Plains Manufacturing, Inc. include: Singulator Plus, Swath Command, Terra-Tine.
Registered Trademarks of Great Plains Manufacturing, Inc. include:
Air-Pro, Clear-Shot, Discovator, Great Plains, Land Pride, MeterCone, Nutri-Pro, Seed-Lok, Solid Stand,
Terra-Guard, Turbo-Chisel, Turbo-Chopper, Turbo Max, Turbo-Till, Ultra-Till, Ver ti-Till, Whirlfilter, Yield-Pro.
Brand and Product Names that appear and are owned by others are trademarks of their respective owners.
iv 3P605NT, 3P606NT, 605NT & 606NT Table of Contents Index Great Plains Manufacturing, Inc.
151-061M Table of Contents Index 2014-02-10
Great Plains Manufacturing, Inc. Table of Contents Index 1
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. In addition to design and configuration of
equipment, hazard control and accident prevention are
dependent upon the awareness, concern, prudence and
proper training of personnel involved in the operation,
transport, maintenance and storage of equipment.
Be Aware of Signal Words
Signal words designate a degree or level of hazard
seriousness.
DANGER, and the color Safety Red, indicate an
imminent hazard 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, and the color Safety Orange, indicate a
potential hazard 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, and the color Safety Yellow, indicate a
potential hazard which, if not avoided, may result in
minor or moderate injury. It may also be used to alert
against unsafe practices.
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.
Be Familiar with Safety Decals
▲ Read and understand “Safety Decals” on page 6,
thoroughly.
▲ Read all instructions noted on the decals.
▲ Keep decals clean. Replace damaged, faded and illegible
decals.
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2 3P605NT, 3P606NT, 605NT & 606NT Table of Contents Index Great Plains Manufacturing, Inc.
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.
▲ Because operating equipment safely requires your full
attention, avoid wearing entertainment headphones while
operating machinery.
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 the 3P606NT or
606NT.
▲ Read and follow chemical manufacturer’s instructions.
▲ Wear protective clothing.
▲ Handle all chemicals with care.
▲ Avoid inhaling smoke from any type of chemical fire.
▲ Never drain, rinse or wash dispensers within 100 feet
(30 m) of a freshwater source, nor at a car wash.
▲ Store or dispose of unused chemicals as specified by
chemical manufacturer.
▲ Dispose of empty chemical containers properly. Laws
generally require power rinsing or rinsing three times,
followed by perforation of the container to prevent re-use.
Avoid High Pressure Fluids
(Model 605NT or 606NT only)
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, seek immediate medical attention
from a physician familiar with this type of injury.
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Great Plains Manufacturing, Inc. Table of Contents Index Important Safety Information 3
Use an Adequate Tractor
Model 3P605NT or 3P606NT only:
▲ Ensure that the tractor is rated for, and correctly ballasted
for the drill’s 3-point loading. Check that drill plus ballast
does not exceed the tractor’s capability.
▲ Avoid transport with material loaded in boxes.
Model 605NT or 606NT only:
▲ Ensure that the tractor weighs at least
(including the weight of any Options and materials).
▲ Avoid transport with material loaded in boxes.
2
⁄3(67%) of the drill
Use A Safety Chain
(Model 605NT or 606NT only)
▲ Use a safety chain to help control drawn machinery should
it separate from tractor drawbar.
▲ Use a chain with a strength rating equal to or greater than
the gross weight of towed machinery.
▲ Attach chain to tractor drawbar support or other specified
anchor location. Allow only enough slack in chain to permit
turning.
▲ Replace chain if any links or end fittings are broken,
stretched or damaged.
▲ Do not use safety chain for towing.
Keep Riders Off Machinery
Riders obstruct the operator’s view. Riders could be
struck by foreign objects or thrown from the machine.
▲ Never allow children to operate equipment.
▲ Keep all bystanders away from machine during operation.
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.
▲ Use lights and devices provided with implement
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4 3P605NT, 3P606NT, 605NT & 606NT Table of Contents Index Great Plains Manufacturing, Inc.
Transport Machinery Safely
Maximum transport speed for the implement on its own
tires is 20 mph (30 kph). Rough terrain may require a
slower speed. Sudden braking can cause a towed load to
swerve and upset.
▲ Do not exceed 20 mph (30 kph). Travel only at a speed
which allows adequate control of steering and stopping.
▲ Comply with state and local laws.
▲ Carry reflectors or flags to mark drill in case of breakdown
on the road.
▲ 3-point implements reduce weight on steering tires. Verify
that tractor is correctly ballasted. Watch for signs of poor
steering traction.
Shutdown and Storage
▲ Park on level ground.
▲ Unhitch and store the drill in an area where children
normally do not play.
Tire Safety
Tire changing can be dangerous and should be
performed by trained personnel using correct tools and
equipment.
▲ When inflating tires, use a clip-on chuck and extension hose
long enough for you to stand to one side–not in front of or
over tire assembly. Use a safety cage if available.
▲ When removing and installing wheels, use wheel-handling
equipment adequate for weight involved.
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Great Plains Manufacturing, Inc. Table of Contents Index Important Safety Information 5
Practice Safe Maintenance
▲ Understand procedure before doing work. Use proper
tools and equipment. Refer to this manual.
▲ Work in a clean, dry area.
▲ Lower the drill, put tractor in park, turn off engine, and
remove key before performing maintenance. If work must
be performed with implement raised, use blocks or
jackstands rated for the drill weight.
▲ Make sure all moving parts have stopped and all system
pressure is relieved.
▲ Allow drill to cool completely.
▲ Disconnect battery ground cable (-) before servicing or
adjusting electrical systems.
▲ Welding: Disconnect battery ground. Avoid fumes from
heated paint.
▲ Inspect all parts. Make sure parts are in good condition
and installed properly.
▲ Remove buildup of grease, oil or debris.
▲ Remove all tools and unused parts from drill before
operation.
Safety At All Times
Thoroughly read and understand the instructions in this
manual before operation. Read all instructions noted on
the safety decals.
▲ Be familiar with all drill functions.
▲ Operate machinery from the driver’s seat only.
▲ Do not leave drill unattended with tractor engine running.
▲ Do not stand between the moving tractor and drill during
hitching.
▲ Keep hands, feet and clothing away from power-driven
parts.
▲ Wear snug-fitting clothing to avoid entanglement with
moving parts.
▲ Make sure all persons are clear of working area.
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6 3P605NT, 3P606NT, 605NT & 606NT Table of Contents Index Great Plains Manufacturing, Inc.
Safety Decals
Safety Reflectors and Decals
Your implement comes equipped with all lights, safety
reflectors and decals in place. They were designed to
help you safely operate your implement.
▲ Read and follow decal directions.
▲ 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.
Reflector: Slow Moving Vehicle (SMV)
818-055C
To install new decals:
1. Clean the area on which the decal is to be placed.
2. Peel backing from decal. Press firmly on surface,
being careful not to cause air bubbles under decal.
At center of walkboard;
1 total
See transport topic on page 20 or page 21.
Reflectors: Red
838-266C
On rear face of walkboard, left and right ends;
2 total
See transport topic on page 20 or page 21.
32693
32693
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Great Plains Manufacturing, Inc. Table of Contents Index Important Safety Information 7
Reflectors: Amber
838-266C
On side frames at walkboard ends;
2 total
See transport topic on page 20 or page 21.
Danger: Hitch Crush
818-590C
(3P605NT and 3P606NT only)
Front face, each end of top front tool bar;
2 total
32693
32695
Danger: Moving Chain (Option)
818-518C
DANGER
MOVING CHAIN HAZARD
To prevent serious injury from moving chain:
DO NOT operate with inclosure missing
(optional Native Grass box)
On chain guard of Native Grass option box (left end);
1 total
Danger: Possible Chemical Hazard (Option)
838-467C
(with Small Seeds Option only)
Under lid;
1 total
818-518C
MOVING CHAIN HAZARD
DANGER
To prevent serious injury from moving chain:
DO NOT operate with inclosure missing
818-518C
32700
32696
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8 3P605NT, 3P606NT, 605NT & 606NT Table of Contents Index Great Plains Manufacturing, Inc.
Warning: Speed
818-337C
On front face, upper front frame tube, left of center;
1 total
32695
See transport topic on page 20 or page 21.
Warning: Moving Parts (standard)
818-860C
On front face, upper front frame tube, below gearbox;
1 total
Warning: Moving Parts (Option)
818-860C
(with Small Seeds Option only)
On front face, upper front frame tube, below gearbox;
1 total
Warning: High Pressure Fluid
838-094C
32695
32696
(605NT and 606NT only)
On side frames, near cylinder;
2 total
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Great Plains Manufacturing, Inc. Table of Contents Index Important Safety Information 9
Warning: Falling Hazard
838-102C
WARNING
To avoid serious injury or death:
Watch your step when climbing ladder or
walking on walkboard.
On side frames at walkboard ends;
2 total
See “Loading Seed” on page 24.
Warning: Clevis Adjustment
838-406C
WARNING
(605NT and 606NT only)
On tongue cross-tube near turnbuckle;
2 total
See “Height and Leveling the Drill” on page 17.
838-102C
32693
32693
Warning: Crushing (Option)
838-611C
(optional Native Grass box)
On underside of lid;
1 total
32700
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10 3P605NT, 3P606NT, 605NT & 606NT Table of Contents Index Great Plains Manufacturing, Inc.
Caution: Tires Not A Step
818-398C
(605NT and 606NT only)
On side frames above tires;
32693
2 total
Tires may be in light contact with ground, or off the
ground, when the drill is lowered.
Caution: General
818-719C
3P605NT and 3P606NT:
On front face, upper front frame tube, right of center;
1 total
605NT and 606NT:
On front face, upper front frame tube, right end;
See “Important Safety Information” on page 1.
32695
32693
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Great Plains Manufacturing, Inc. Table of Contents Index Important Safety Information 11
Caution: Tire Pressure and Torque
838-258C
(605NT only, 2006- only)
On rim of each end wheel with 9.5L 8-ply tires;
2 total
Caution: Tire Pressure and Torque
848-021C
CAUTION
To Avoid Injury or Machine Damage from Improper Tire
Inflation or Torquing of Wheel Bolts:
•
Maximum inflation pressure for tires is 60 psi.
•
Torque wheel bolts to 85 lb-ft.
(605NT 2007+, 606NT only)
On rim of each end wheel with 700-15 LT tires;
2 total
848-021C REV. B
32693
32693
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12 3P605NT, 3P606NT, 605NT & 606NT Table of Contents Index Great Plains Manufacturing, Inc.
Introduction
Great Plains welcomes you to its growing family of new
product owners. Your 6-Foot No-Till 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.
Description of Unit
The 3P605NT and 3P606NT are 3-point seeding
implements. The 605NT and 606NT are towed seeding
implements. This drill has a working width of 7.5 feet
(1.9 m). The drill has straight arm, double disc 05 or
06 Series openers. The opener discs make a seed bed,
and seed tubes mounted between the discs place seed
in the furrow. Press wheels following the opener discs
close the furrow and gauge opener seeding depth.
A T-handle on the opener body makes seeding depth
adjustments.
The metering system is driven from the gauge wheel
(3-point), or from the left end wheel (pull-type). Seeding
rates are set by rate adjustment handles and a Drive
Type gearbox for the main seed box.
Figure 1
3P606NT No-Till Drill
32704
Intended Usage
Use this implement to seed production-agriculture crops
in conventional or minimum tillage applications.
Models Covered
This manual applies to Great Plains drill models:
3P605NT-0975 9-row 7.5-inch (19.1 cm)
3P606NT-0975 9-row 7.5-inch (19.1 cm)
605NT-0975 9-row 7.5-inch (19.1 cm)
606NT-0975 9-row 7.5-inch (19.1 cm)
Standard 3P605NT, 3P606NT, 605NT or 606NT Models
have a main seed box. Native Grass and/or Small Seeds
capability may be added.
Document Family
151-061M Operator Manual (this document)
151-061P 3P606NT, 606NT Parts Manual
151-122B Seed Rate Manual
Figure 2
606NT No-Till Drill
32703
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Great Plains Manufacturing, Inc. Table of Contents Index Introduction 13
Using This Manual
This manual familiarizes you with safety, assembly,
operation, adjustments, troubleshooting, and
maintenance. Read this manual and follow the
recommendations to help ensure safe and efficient
operation.
Right-hand and left-hand as used in
this manual are determined by facing
the direction the machine will travel
while in use unless otherwise stated.
An orientation rose in some line art
illustrations shows the directions of:
Up, Back, Left, Down, Front, Right.
U
R
F
D
B
L
Identifies an Economic (not a Safety) Risk:
NOTICE provides a crucial point of information related to the
current topic. Read and follow the instructions to avoid damage
to equipment and ensure desired field results.
Note: This form sets off useful information related to the
current topic, or forestalls possible
misunderstanding.
The information in this manual is current at printing.
Some parts may change to assure top performance.
Owner Assistance
If you need customer service or repair parts, contact a
Great Plains dealer. They have trained personnel, repair
parts and equipment specially designed for Great Plains
products.
Refer to Figure 3
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. The serial-number plate is
located on the upper front frame tube, just left of center.
Record your drill model and serial number here for quick
reference:
Model Number:__________________________
Serial Number: __________________________
Figure 3
Serial Number Location, 606NT
32703
Your Great Plains dealer wants you to be satisfied with
your new machine. If you do not understand any part of
this manual or are not satisfied with the service received,
please take the following actions.
1. Discuss the matter with your dealership service
manager. Make sure they are aware of any problems
so they can assist you.
2. If you are still unsatisfied, seek out the owner or
general manager of the dealership.
2014-02-10 Table of Contents Index 151-061M
For further assistance write to:
Product Support
Great Plains Mfg. Inc., Service Department
PO Box 5060
Salina, KS 67402-5060
gp_web_cs@greatplainsmfg.com
785-823-3276
14 3P605NT, 3P606NT, 605NT & 606NT Table of Contents Index Great Plains Manufacturing, Inc.
Preparation and Setup
This section helps you prepare your tractor and drill for
use. Before using the drill in the field, you must hitch the
drill to a suitable tractor and also setup the drill.
Pre-Setup Checklist
1. Verify that dealer pre-delivery is complete (page 67)
and optional accessories are installed (page 68).
2. Read and understand “Important Safety
Information” on page 1.
3. Check that all working parts are moving freely, bolts
are tight, and cotter pins are spread.
4. Check that all grease fittings are in place and
lubricated. See “Lubrication and Scheduled
Maintenance” on page 48.
5. Check that all safety decals and reflectors are
correctly located and legible. Replace if damaged.
See “Safety Decals” on page 6.
6. Inflate tires and tighten wheel bolts as at “Tire
Pressures” on page 60.
Hitching Tractor to Drill
Hitching Model 3P605NT or 3P606NT
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 park brake before installing the hitch pin.
Certain Machine Damage:
Remove tractor draw bar before hitching the 3P605NT or
3P606NT. The drill drive wheel will be damaged if drawbar is
not removed.
1. Raise or lower tractor 3-point arms as needed and
pin lower arms to drill.
2. Pin upper arm to drill.
3. Slowly raise drill. Watch for cab interference.
4. Adjust top 3-point link so the top edge of drill box is
parallel with the ground when drilling.
Note: Do not use link to adjust opener depth. For opener
adjustments, refer to “Opener Depth (Press
Wheel Height)” on page 38. Set your tractor
3-point draft control to Float position for planting.
Equipment Damage Risk:
Due to interference with the gauge wheel assembly, drill
models 3P605NT and 3P606NT are not compatible with
Great Plains accessory hitches CPH, PFH and SSH, nor with
the Great Plains hitch set-back kit.
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Great Plains Manufacturing, Inc. Table of Contents Index Preparation and Setup 15
Hitching Model 605NT or 606NT
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 park brake before installing the hitch pin.
1. With drill lowered in field position and tongue jack
mounted as shown in Figure 4, raise or lower tongue
jack to level drill tongue.
Refer to Figure 5
2. With drill tongue level, adjust drill hitch on drill tongue
to match your tractor-drawbar height. You can move
the hitch up or down or turn it over for a total of four
different hitch heights.
3. When drill hitch matches tractor-drawbar height,
hitch drill to tractor.
4. Securely attach drill safety chain to an anchor on
tractor capable of pulling drill.
Figure 4
Jack in Parking Position
Note: When hitching drill to a different tractor, check for
a difference in drawbar heights. If heights are
different, readjust hitch height accordingly.
18473
159⁄32 in.
38.8 cm
1525⁄32 in.
40.1 cm
189⁄32 in.
46.4 cm
1825⁄32 in.
47.7 cm
1917⁄32 in.
49.6 cm
Figure 5
Clevis Hitch Height Adjustment
201⁄32 in.
50.9 cm
Figure 6
Pintle Hitch Height Adjustment
2217⁄32 in.
57.2 cm
18544
231⁄32 in.
58.5 cm
27216
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16 3P605NT, 3P606NT, 605NT & 606NT Table of Contents Index Great Plains Manufacturing, Inc.
Hydraulic Hose Hookup (605NT or 606NT)
High Pressure Fluid Hazard:
Shut down tractor before making hydraulic connections. Only
trained personnel should work with system hydraulics.
Escaping fluid under pressure can have sufficient pressure to
penetrate the skin causing serious injury. Use paper or
cardboard, NOT BODY PARTS, to check for leaks. Wear
protective gloves and safety glasses or goggles when working
with hydraulic systems. If an accident occurs, seek immediate
medical assistance from a physician familiar with this type of
injury.
Refer to Figure 7
Hydraulic hoses have directional handles and are color
coded to help you hookup hoses to your tractor outlets.
Hoses that go to the same remote valve pair are marked
with the same color.
Color Hydraulic Function
Blue Transport Lift Cylinders
To distinguish hoses on the same hydraulic circuit, refer
to the symbols on the handles. Hose under
extended-cylinder symbol feeds cylinder base ends.
Hose under retracted-cylinder symbol feeds cylinder rod
ends.
Electrical Connections
Refer to Figure 8
5. Plug drill electrical lead into tractor seven-pin
connector. If your tractor is not equipped with a
seven-pin connector, contact your dealer for
installation.
Figure 7
Hose Handles
Figure 8
Lighting Connector
31733
26467
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Great Plains Manufacturing, Inc. Table of Contents Index Preparation and Setup 17
Height and Leveling the Drill
Height Setup: Model 3P605NT or 3P606NT
Refer to Figure 9 and Figure 10
1. Initially adjust drill so opener tool bar runs
3
⁄4in. (62.9 cm) above ground when drill is
24
lowered in the field.
2. The drive wheel should be in the fourth mounting
hole from the top (factory setting).
Note: The drive may need to be adjusted due to ground
conditions.
3. Level drill with top 3-point link.
243⁄4 in.
62.9 cm
Adjusting 3-Point Height
Raising the gauge wheel spindle provides deeper coulter
depth. Lowering the wheel provides shallower depth.
Note: Do not lower coulters to aid in penetrating hard soil.
Instead, increase coulter down-force (page 32).
This may require adding optional weight (page 30).
Refer to Figure 10
1. Determine new coulter depth desired. With new
discs, the axle holes provide these depths:
Hole No.
(from top)
1
2
3
4 (f)
5
6
7
8
f. Factory setting.
n. Depth is with new coulter blades.
2. Raise drill, unless wheel is already off ground
sufficiently to allow wheel spindle relocation.
3. Relax chain idlers.
4. Remove wheel bolts. Move spindle to new hole pair.
Re-install wheel bolts.
5. Re-engage chain idlers.
Coulter Depth (n)
Inches mm
3 1/ 2 in. 89 mm
2 7/ 8 in. 73 mm
2 3/ 8 in. 60 mm
1 7/ 8 in. 48 mm
1 3/ 8 in. 35 mm
7/ 8 in. 22 mm
3/ 8 in. 10 mm
1/ 4 in. 6 mm
32774G
Figure 9
Initial Field Height,
3P605NT or 3P606NT
18546
1
2
3
4
6
5
7
8
4
Figure 10
Height Adjustment,
3P605NT or 3P606NT
18509
2014-02-10 Table of Contents Index 151-061M
18 3P605NT, 3P606NT, 605NT & 606NT Table of Contents Index Great Plains Manufacturing, Inc.
Height Setup: Model 605NT or 606NT
Set Tool Bar Height
Refer to Figure 11 and Figure 12
Tool bar height is controlled by a depth stop
assembly on the left lift cylinder.
The suggested initial tool bar operating height is:
1
243⁄4in. (62.9 cm)
from the base of the opener tool bar to the ground, when
lowered in field conditions (opener discs in ground).
1. Use the tractor remote circuit to raise the drill to the
full extension of both lift cylinders. Hold the drill
raised for several seconds to re-phase the cylinders.
Remove any transport locks.
2. In field conditions, lower the drill to the desired tool
bar height. Pull forward to put openers in ground.
Set the remote to Neutral. Shut off the tractor.
3. Loosen the nut and bolt that secure the stop
weldment to the cylinder rod.
4. Slide the weldment up the rod until it contacts the
valve actuator , then slide it up another
1
⁄8in. (3 mm). Tighten the bolt.
5. Start the tractor. Raise and lower the drill. Pull
forward in ground. The lowering stops when the
weldment moves the actuator a short distance.
Shut off the tractor and verify the tool bar height.
Note: If further adjustment is required, the drill height
changes at approximately half the change in
weldment position. For example, raising the drill
another1⁄8in. (3 mm) would require moving the
weldment up another1⁄4in. (6 mm).
Level Model 605NT or 606NT
Refer to Figure 13
1. Use hitch turnbuckle to level drill.
2. Lower unit to take weight off of drill. Do not adjust
with unit in raised position.
3. Loosen jam nuts on hitch turnbuckle.
4. Turn turnbuckle to shorten or lengthen until top of
drill frame is parallel to the ground being careful not
to extend clevises beyond turnbuckle.
5. Retighten jam nuts on turnbuckle.
1
2
3
4
5
6
1
Figure 11
Pull-Type Tool Bar Height
Field Results Risk:
Prior to first use, check tool bar height or the drill may run
too deep. Model 606NT drills may be shipped with the depth
stop valve actuator set to maximum depth. The actuator
must be adjusted to desired opener height prior to first use.
2
3
Figure 12
Cylinder Depth Stop
6
2
32681
1
5
4
32712
6
WARNING
Figure 13
Pull-Type Turnbuckles
151-061M Table of Contents Index 2014-02-10
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Great Plains Manufacturing, Inc. Table of Contents Index 19
Operation 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
High Pressure Fluid Hazard:
Escaping fluid under pressure can have sufficient pressure to
penetrate the skin. Check all hydraulic lines and fittings before
applying pressure. Fluid escaping from a very small hole can
be almost invisible. Use paper or cardboard, not body parts,
and wear heavy gloves to check for suspected leaks. If an
accident occurs, seek immediate medical assistance from a
physician familiar with this type of injury.
1. Carefully read “Important Safety Information”
starting on page 1.
2. Lubricate drill per “Lubrication and Scheduled
Maintenance” starting on page 48.
3. Check all tires for proper inflation. See “Tire
Pressures” on page 60.
4. Check all bolts, pins and fasteners. See “Torque
Values Chart” on page 61.
5. Check drill for worn or damaged parts. Repair or
replace faulty parts before going to the field.
6. Check hydraulic hoses, fittings and cylinders for
leaks. Repair or replace faulty parts before going to
the field.
7. Rotate both drive wheel to verify that the drive and
meters are working properly and free from foreign
material.
WARNING
Falling Hazard:
Watch your step when walking on drill steps and walkboard.
Falling from drill could cause severe injury or death.
2014-02-10 Table of Contents Index 151-061M
To avoid serious injury or death:
Watch your step when climbing ladder or
walking on walkboard.
838-102C
20 3P605NT, 3P606NT, 605NT & 606NT Table of Contents Index Great Plains Manufacturing, Inc.
Transporting 3P605NT or 3P606NT
Transport considerations are different for 3-point and
pull-type models. For pull-type, see page 21.
Use an Adequate Tractor (3-Point)
Loss of Control Hazard:
Insufficient weight on tractor steering tires can dangerously
reduce steering authority, particularly during acceleration and
ascending hills. You can lose directional control entirely,
which could result in a major accident, serious injury, or
death. Adding too much ballast could lead to brake or other
mechanical failures, tire failures and loss of control.
▲ Ensure that the tractor is rated for, and correctly ballasted
for the drill’s 3-point loading. Check that drill plus ballast
does not exceed the tractor’s capability.
▲ If the drill has accessory weight brackets, consider moving
any tractor weights present to the tractor during transport.
▲ Avoid transport with material loaded in boxes.
The total drill weight and center of gravity vary
considerably with drill configuration and material load.
See table below.
3P605NT or 3P606NT Example Weights
3-Point Drill Configuration Typical Weights
Boxes Empty Seed Loaded Seed + Weights*
Standard Drill (Main Seed only)
Drill with Native Grass option
Drill with Small Seeds option
Drill with Native Grass & Small Seeds
* 151-058A Weight Kit plus 6 each 100 pound tractor weights, approximately 780 pounds.
* 151-058A Weight Kit plus 6@ 100 pound tractor weights, approximately 780 lbs. 32774C
Continue at “Transport Cautiously” on page 24.
2280 lbs 3000 lbs 3780 lbs
1030 kg 1360 kg 1710 kg
2580 lbs 3300 lbs 4080 lbs
1170 kg 1500 kg 1850 kg
2430 lbs 3150 lbs 3930 lbs
1100 kg 1430 kg 1780 kg
2730 lbs 3450 lbs 4230 lbs
1240 kg 1560 kg 1920 kg
151-061M Table of Contents Index 2014-02-10
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