Great Plains 3P4025AH Operator Manual - Manual (Page 44)

411-099M Table of Contents Index 2014-07-29
40 3P4025AH Table of Contents Index Great Plains Manufacturing, Inc.
Adjustments
To get full performance from your 3P4025AH planter, you
need an understanding of all component operations, and
many provide adjustments for optimal field results. Some
of these have been covered earlier in this manual.
Even if your planting conditions rarely change, some of
these items need periodic adjustment due to normal
wear.
Adjustment Page The Adjustment Affects
Frame height 21 Planting depth consistency
Frame level 19 Planting consistency
Frame Offset 44 Shifting twin rows for single row planting on beds
Setting Seed Rate 41 Summary: Refer to Seed Rate Manual
a
for details.
Air System 32
Fan Speed 34 Optimal seed distribution
Meter Pressurization (values from SRM
a
) 42 Consistent seed flow and disk singulation
25AP Row Unit Adjustments
Opener Depth 57 Planting depth
Row Unit Down Pressure 52 Planting depth uniformity
Row Unit Lock-Up 65 Single/twin-row operation
Row Cleaner Adjustments (Option) 54 Row preparation
Coulter Adjustments (Option) 55 Seed depth uniformity
Opener Disk Adjustments 57 Seed depth, seed-to-soil contact
Side Depth Wheels 57 Seed depth, prevents plugging
Adjusting Gauge Wheel Scrapers 59 Consistent seed furrow depth
Seed Meter Setup and Adjustment 60 Consistent seed population
Seed Firmer Adjustments (Option) 65 Seed-soil contact
Press Wheel Adjustment 66 Effective soil coverage
Monitor Adjustments PM400
b
Refer to Seed Monitor manual
a. SRM: Seed Rate Manual (411-099B)
b. PM400: DICKEY-john
®
Planter Monitor operator manuals