Great Plains NTA3007 Operator Manual - Manual (Page 87)

2012-07-02 Table of Contents Index 166-371M
Great Plains Manufacturing, Inc. Table of Contents Index 83
Adjustments
Adjustments Summary
To get full performance from your NTA907 or NTA3007,
you need an understanding of all component operations,
and many provide adjustments for optimal field results. Even if your planting conditions rarely change, some of
these items need periodic adjustment due to normal
wear.
Adjustment Page The Adjustment Affects
Tongue Height 32 Correct draft load to tractor
Frame and Wing Alignment 145 Planting consistency
Height Switch Adjustment 99 Correct off/on state of meter drive
Chain Slack 123 Avoidance of irregular metering and low rates
Contact Drive Adjustment 97 Consistent metering, and damage avoidance
Caster Stabiliser Brakes 155 Minimising caster oscillation in transport
Monitor Configuration
-
Correct machine status: primary source for data is
DICKEY-john
®
manual 110011375
Material Rates
-
Seed and fertilizer rate: primary source is Seed Rate
Manual 167-085B
High Rate Flute Sets 84 150% or 200% metering rates
Rate Range Gears 88 10x metering rate change
Variable Rate Gearboxes 89 0 to 100% of current rate range
Calibration 90 Correcting chart rate to your specific materials
Marker Adjustments
Marker Extension 183 Intended swath spacing
Marker Disc Angle and Direction 115 Visibility of mark
Marker Speed Adjustment 184 Reliable marker operation
Marker Chain Length 147 Marking on irregular ground; smooth folding
Fan Adjustments 98 Consistent seed flow to meters
Hydraulic Down-Pressure and Weight Transfer 101
Setting the Bypass Valve 104 Required for LS and PFC Closed hydraulic systems
Adjusting Hydraulic Down Pressure 102 Adequate row unit force for firmer ground
Opener Sub-Frame Adjustment 106 Keeping opener level at higher forces
Adjusting Weight Transfer 107 Making weight available to wing rows at high settings
Frame-Mounted Coulters 108 Row pre-furrow depth
Row Unit Adjustments for Series 07
Opener Depth 114 Planting depth
Row Unit Down Pressure (Gang) 102 Planting depth uniformity
Row Unit Down Pressure (Individual) 111 Planting depth uniformity in tire tracks
Opener Disc Adjustments 111 Seed depth, seed-to-soil contact
Inside Scrapers 112 Reliable disc operation
Seed Firmer Adjustments (Option) 113 Seed-soil contact
Press Wheel Adjustment 114 Effective soil coverage