Great Plains YP2425A Operator Manual - Manual (Page 55)

2014-02-10 Table of Contents Index 401-626M
Great Plains Manufacturing, Inc. Table of Contents Index 51
Adjustments
To get full performance from your YP2425A Planter, you
need an understanding of all component operations.
Many provide adjustments for optimal field results. Some
adjustments were 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 19 Correct draft load to tractor
Frame height 21 Planting depth consistency
Frame level 21 Planting consistency
Height Switch Adjustment 56 Correct off/on state of meter drive
Wing Leveling 22 Planting consistency
Clutch Lock-Up 39 Temporary operation with a failed clutch
Air System 41
Fan Speed 44 Optimal seed distribution
Meter Pressurization (values from SRM
a
) 59 Consistent seed flow and disk singulation
Planting Rate SRM
a
Refer to Seed Rate manual
Marker Adjustments
Marker Width 53 Intended swath spacing
Marker Chain Length Adjustment 54 Marker folding operation
Dual Marker Speed Adjustment 55 Reliable marker operation
Fertilizer Setup (option) 60 Seed germination and growth
Fertilizer Orifices (option) SRM
a
Refer to YP2425A Planter Seed Rate manual
Frame-Mounted Row Accessories 63
Terra-Tine Row Cleaners 63 Row preparation
Coulters 64 Row pre-furrow depth and trash cutting
Vantage I Fertilizer Delivery 64 Fertilizer placement
25AP Series Row Unit Adjustments 65
Row Unit Lock-Up 79 Single/twin-row operation
Row Unit Down Pressure 66 Planting depth uniformity
Row Cleaner Adjustments (Option) 68 Row preparation
Coulter Adjustments (Option) 69 Row pre-furrow depth
Row-Unit Opener Adjustments 71 Seed depth, spacing, coverage
Side Depth Wheels 72 Seed depth
Adjusting Gauge Wheel Scrapers 73 Consistent seed furrow depth
Seed Meter Setup and Adjustment 74 Consistent seed population
Seed Firmer Adjustments (Option) 80 Seed-soil contact
Press Wheel Adjustment 81 Effective soil coverage
Row-Pro™ Adjustment 156 Consistent planting depth
Monitor Adjustments PDC Refer to DICKEY-john
®
Planter/Drill Control manuals
a. SRM: Seed Rate Manual (401-626B)