Great Plains YP4025F-1670 Operator Manual - Manual (Page 62)

401-571M Table of Contents Index 2014-09-08
58 YP4010HD/YP4025/F Table of Contents Index Great Plains Manufacturing, Inc.
Adjustments
To get full performance from your YP40 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
Tongue Height 22 Correct draft load to tractor
Frame level 23 Planting consistency
Height Switch Adjustment 60 Correct off/on state of meter drive
Wing Leveling 99 Planting consistency
Hydraulic Drive Adjustments - Refer to YP40 planter Seed Rate manual
Marker Adjustments
Marker Extension 145 Intended swath spacing
Marker Speed Adjustment 172 Reliable marker operation
Fan Adjustments 61 Consistent seed flow to meters
Fertilizer Adjustments
Fertilizer Setup (option) 62 Seed germination and growth
Fertilizer Orifices (option) - Refer to YP40 planter Seed Rate manual
Frame-Mounted Row Accessories
Terra-Tine Row Cleaners 65 Row preparation
Coulters 66 Row pre-furrow depth and trash cutting
Vantage I Fertilizer Delivery 66 Fertilizer placement
Row Unit Adjustments for Series... 10HD 25P
Opener Depth 69 69 Planting depth
Row Unit Down Pressure 70 72 Planting depth uniformity
Row Unit Lock-Up 74 74 Single/twin-row operation
Row Cleaner Adjustments (Option) 75 75 Row preparation
Coulter Adjustments (Option) 76 76 Seed depth uniformity
Opener Disk Adjustments 77 77 Seed depth, seed-to-soil contact
Side Depth Wheels n/a 78 Seed depth, prevents plugging
Adjusting Gauge Wheel Scrapers n/a 80 Consistent seed furrow depth
Seed Meter Setup and Adjustment 81 81 Consistent seed population
Seed Firmer Adjustments (Option) 88 88 Seed-soil contact
Press Wheel Adjustment 89 89 Effective soil coverage
Seed Meter Adjustments 10HD 25P
Exchanging Meters 84 84
Meter Brush 85 85
Sprocket Indexing (Stagger) 87 87
Planting Rate - Refer to Seed Rate manual
Monitor Adjustments - Refer to Seed Monitor manual