Great-plains 606NT Operator Manual User Manual Page 29
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- Table of contents
- TROUBLESHOOTING
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Great Plains Manufacturing, Inc. Table of Contents Index Operation Instructions 25
2014-02-10 Table of Contents Index 151-061M
Field Operation
1. Hitch drill to a suitable tractor (page 14).
For model 3P605NT or 3P606NT, continue at step 5.
2. Raise drill. Hold at raised for several seconds to
re-phase lift cylinders. Set circuit to Neutral. Shut off
tractor.
Refer to Figure 16 page 22 and Figure 15 on page 22
3. Remove transport lock channels from cylinder rods.
Move them to storage and re-pin. See page 22.
Refer to Figure 20
4. Engage drive with lock-out hub on the left gauge
wheel. Pull pin away from hub. Rotate 90°.
Release into deeper notch pair.
Note: Pin may not seat fully immediately, but will at next
drill movement.
5. Set seed population per rate chart and calibration,
from Seed Rate manual.
6. Load box with clean seed.
7. Raise drill. Using calibration crank
a
or 3-point gauge
gauge wheel, operate the meter drive system. Check
that feed cups, seed tubes and drives are working
properly and free from foreign material by looking for
seed flow under each opener.
8. Lower drill. With a 3-point model, set hitch to Float.
9. Pull forward. Stop. Check tool bar height and opener
depth.
10. Begin seeding.
11. Always lift drill out of the ground when turning at row
ends and for other short-radius turns. Seeding stops
automatically as drill is raised.
Re-Phasing Cylinders
The lift cylinders may, after a period of time, get out of
time or phase. The effects of this can be seen when one
side of the drill is running too low or too high because its
lift cylinder is either over extended or not retracted
compared to the other lift cylinder.
To re-phase the cylinders, raise drill completely and hold
tractor hydraulic lever on for a few seconds to give
cylinders time to re-phase.
Each time drill is raised out of ground momentarily
reverse hydraulic lever immediately after re-phasing to
allow cylinders to retract about
1
⁄
2
in. (2.5 cm). This helps
maintain a level drill.
Note: Having cylinders become gradually out of time is
different than having air trapped in the system, a
problem remedied by bleeding (page 46).
a. A calibration crank kit (page 53) is available for drills manufactured prior to 2005-10-01.
Machine Damage Risk:
Never back up with openers in the ground. Seed tube and
firmer damage is likely. Seed tube plugging is almost certain.
Always raise the drill when stopped and prior to reversing.
Figure 20
Lock-Out Hub Engaged
18480
5
5
To Tractor
Figure 21
605NT or 606NT Lift Hydraulics
18676
- Operator Manual 1
- Table of Contents Index 2
- Table of Contents 3
- Important Safety Information 5
- Wear Protective Equipment 6
- Handle Chemicals Properly 6
- Avoid High Pressure Fluids 6
- Use an Adequate Tractor 7
- Use A Safety Chain 7
- Keep Riders Off Machinery 7
- Use Safety Lights and Devices 7
- Transport Machinery Safely 8
- Shutdown and Storage 8
- Tire Safety 8
- Practice Safe Maintenance 9
- Safety At All Times 9
- Safety Decals 10
- MOVING CHAIN HAZARD 11
- Warning: Speed 12
- Warning: High Pressure Fluid 12
- 838-102C 13
- Caution: Tires Not A Step 14
- Caution: General 14
- 848-021C REV. B 15
- Introduction 16
- Using This Manual 17
- Owner Assistance 17
- Preparation and Setup 18
- Hitching Model 605NT or 606NT 19
- Electrical Connections 20
- Height and Leveling the Drill 21
- Operation Instructions 23
- Transporting 605NT or 606NT 25
- Loading Seed 28
- Field Operation 29
- Acremeter Operation 30
- Adjustments 33
- Frame Weight Adjustment 34
- Coulter Adjustments 35
- 10.0 inches 36
- Opener Spring 38
- Disc Scraper Adjustment 40
- Troubleshooting 43
- Acremeter inaccurate 45
- Problem Cause Solution 45
- Maintenance and Lubrication 46
- Seed Flap Replacement 49
- Bleeding Hydraulics 50
- Drive Shaft Clutch 53
- Seed Cup Drive Shaft Sprocket 53
- Gauge Wheel Arms 53
- As Required 54
- Seasonal 55
- Acremeter 57
- Calibration Kits 57
- Carbide Disc Scraper 58
- Coulter Blades 58
- Grease Bank 58
- Main Seed Box Accessories 59
- Seed Lubricants 60
- Native Grass Rate Reduction 60
- Press Wheel Selection 61
- Small Seeds Attachment 61
- Seed Firmers 62
- Weight Brackets 63
- Specifications and Capacities 64
- Tire Pressures 64
- Torque Values Chart 65
- To Tractor 66
- Drive System Diagrams 67
- 605NT and 606NT Drives 68
- Appendix B - Pre-Delivery 71
- Warranty 73
- Salina, Kansas 67402-5060 USA 80
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