GREAT PLAINS 3N-4010F Series, Operator'S Manual, Page: 63 / 140

3N-4010F, 3N-4010HDF, and 3N-4020F Table of Contents Index Adjustments 59
2019-03-08 Table of Contents Index 196-359M
Frame Level
When beginning planting, check frame level with row
units in level ground.
If one or both wings are angled up or down, check and
adjust the following items:
• “
Level Frame Side to Side ” on page 101
• coulter depth setting - see “ Frame-Mounted
Coulters ” on page 62
• coulter mount adjustment - see “ Individual
Frame-Mounted Coulter Depth ” on page 64
• coulter down-force spring setting - see “ Frame
Weight ” on page 67
• row unit down-force spring setting - see:
“ 10 Series Row Unit Down Pressure ” on page 70
“ 10HD Row Unit Down Pressure ” on page 77
“ 20 Series Row-Unit Down Pressure ” on page 84
• press-wheel height setting - see:
“ 10 Series Opener Depth ” on page 73
“ 10HD Press Wheel Adjustments ” on page 81
“ 20 Series Press Wheels ” on page 88
Frame Height
Frame height is determined by an adjustable hydraulic
depth control valve, and has a significant effect on
planting depth.
Frame height adjustment methods depend on coulter
configuration. Frame-mounted coulters (FMC) are
standard on some 3N-40 models and optional on others.
The 3N-4010HDF accepts either FMC or unit-mount
coulters (UMC), although only one type of coulter can be
installed simultaneously.
For adjustments:
Refer to Figure 86
1. Frame-Mounted Coulters (FMC)
frame height information begins on page 62.
2. Unit-Mounted Coulters (UMC, 10HDF only)
frame height information begins on page 75.
3. No Coulters
use the same frame height setup as UMC, page 75.
Figure 86
Coulter Configurations
27211
1 2 3