Adjustments, Adjustments summary – Great Plains NTA3007HD Operator Manual User Manual
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Adjustments 71
04/04/2011
166-207M
Adjustments
Adjustments Summary
To get full performance from your NTA907/3007HD drill,
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
Correct draft load to tractor
Frame and Wing Alignment
Planting consistency
Height Switch Adjustment
Correct off/on state of meter drive
Chain Slack
Avoidance of irregular metering and low rates
Consistent metering, and damage avoidance
Monitor Configuration
-
Primary source is DICKEY-john manual 110011375
Material Rates
-
Primary source is Seed Rate manual 167-085B
High Rate Flute Sets
150% or 200% metering rates
Rate Range Gears
10x metering rate change
Variable Rate Gearboxes
0 to 100% of current rate range
Calibration
Correcting chart rate to your specific materials
Marker Adjustments
Marker Extension
Intended swath spacing
Marker Disk Angle and Direction
Visibility of mark
Marker Speed Adjustment
Reliable marker operation
Marker Chain Length
Marking on irregular ground; smooth folding
Fan Adjustments
Consistent seed flow to meters
Hydraulic Down-Pressure and Weight Transfer
Required for LS and PFC Closed hydraulic systems
Adjusting Hydraulic Down Pressure
Adequate row unit force for firmer ground
Keeping opener level at higher forces
Making weight available to wing rows at high settings
Frame-Mounted Coulters
Row pre-furrow depth
Row Unit Adjustments for Series...
07HD
Opener Depth
Planting depth
Row Unit Down Pressure (Gang)
Planting depth uniformity
Row Unit Down Pressure (Individual)
Planting depth uniformity in tire tracks
Opener Disk Adjustments
Seed depth, seed-to-soil contact
Inside Scrapers
Reliable disk operation
Seed Firmer Adjustments (Option)
Seed-soil contact
Press Wheel Adjustment
Effective soil coverage