Great Plains YP1625A Operator Manual - Manual (Page 52)

401-625M Table of Contents Index 2013-08-13
48 YP1125A & YP1625A Table of Contents Index Great Plains Manufacturing, Inc.
Adjustments
To get full performance from your Planter, you need an
understanding of all component operations, and many
provide adjustments for optimal field results. Some of
these are covered earlier in this manual. Even if your planting conditions rarely change, some
items need periodic adjustment due to normal wear.
Adjustment Page The Adjustment Affects
Tongue Height 17 Correct draft load to tractor
Frame Leveling 147 Planting consistency
Wing Alignment 148 Correct and consistent row tracking
Clutch Lock-Up 38 Temporary operation with a failed clutch
Air System 40
Fan Speed 43 Optimal seed distribution
Meter Pressurization (values from SRM
a
)
a. SRM: Seed Rate Manual (401-625B)
51 Consistent seed flow and disk singulation
Planting Rate
Ground Drive Sprockets 49 Meter rpm (seed delivery to seed tube)
Ground Drive Contact Wheel 50 Consistent meter rpm
Hydraulic Drive - Refer to Planter Seed Rate manual
Marker Adjustments
Marker Extension 150 Swath alignment
Disk Angle and Orientation 56 Visibility of mark
Marker Speed Adjustment 56 Reliable marker operation
Height Switch Adjustment 57 Correct off/on state of meter drive
Fertilizer Adjustments (Option)
Fertilizer Rate 55 Refer to Planter Seed Rate manual
Fertilizer Relief Valve SRM
a
Refer to Planter Seed Rate manual
Fertilizer Orifice Selection SRM
a
Refer to Planter Seed Rate manual
Frame-Mounted Row Accessories (Options)
Terra-Tine Row Cleaners 58 Row preparation
Coulters 59 Row pre-furrow depth and trash cutting
Vantage I Fertilizer Delivery 59 Fertilizer placement
25 Series Row Unit Adjustments
Row Unit Down Pressure 61 Planting depth uniformity
Row Unit Lock-Up 71 Single/twin-row operation
Row Cleaner Adjustments (Option) 63 Row preparation
Coulter Adjustments (Option) 64 Row pre-furrow depth
Row-Unit Opener Adjustments 65 Seed depth, spacing, coverage
Side Depth Wheels 66 Seed depth
Adjusting Gauge Wheel Scrapers 67 Consistent seed furrow depth
Seed Meter Setup and Adjustment 68 Consistent seed population
Seed Firmer Adjustments (Option) 74 Seed-soil contact
Press Wheel Adjustment 76 Effective soil coverage
Monitor Adjustments - Refer to Seed Monitor manual