Great Plains YP2425F-2470 Operator Manual User Manual
Page 90
86
YP2425 & YP2425F
Great Plains Manufacturing, Inc.
401-406M
2014-07-14
Uneven
seed
spacing
Hydraulic meter drive motor rpm too low
for reliable control by proportional valve.
1.
Increase field speed.
2.
Use a seed wheel with lower cell count.
Switch from 12 finger meters to 6 finger meters.
3.
Install a low speed kit (page 110).
Excessive field speed.
Reduce field speed.
Unclean seed.
Use clean seed.
Seed-Lok
®
plugging.
Lock up Seed-Lok
®
Row-unit disks not turning.
See “Row-unit disks not turning freely.” in this
Troubleshooting chart.
Plugged row-unit seed tube.
Raise planter, expose bottom of seed tube and clean out.
Worn/rusted sprockets, chains and/or
chain idler or bearings.
Check and replace any worn/rusted sprockets, chains or
chain idlers.
Partially plugged row-unit seed tube.
Lift up planter, expose bottom of seed tube and clean out.
Lack of proper seed lubrication on seed. See “Seed Lubricants” on page 108.
Use of excessively sticky or wet seed
treatment.
Check your treatment.
Uneven
seed depth
Excessive field speed.
Reduce field speed.
Planting conditions too wet.
Wait until drier weather.
Incorrect coulter depth setting.
See coulter manual.
Excessive or improper row unit down
pressure spring setting.
See “Row Unit Down Pressure” on page 66.
Damaged seed tubes.
Check seed tubes for damage.
Seed-Lok building up with dirt.
Row-unit not penetrating low spots.
See “Row Unit Down Pressure” on page 66.
Rough planting conditions.
Rework the field.
Seed firmer not in place and set to
correct tension.
See “Seed Firmer Adjustments” on page 81.
Population
Alarms
False alarms or actual seed rate errors
due to monitor setup with incorrect row
count and/or spacing.
Review planter configuration and monitor setup.
False alarms due to build-up on seed
sensors.
See “Seed Tube Clean-Out” on page 93.
Row-unit
disks not
turning
freely.
Row-unit plugged with dirt.
Clean row-unit.
Planting conditions too wet.
Wait until drier weather.
Incorrect side depth wheel adjustment
See “Side Gauge Wheel Adjustment” on page 73.
Seed-Lok
®
is plugging row-unit.
Lock up Seed-Lok
®
Failed disk bearings.
Replace disk bearings.
Bent or twisted row-unit frame.
Replace row-unit frame.
Partially plugged row-unit seed tube.
Raise planter, expose bottom of seed tube and clean out.
Excessive
seed
cracking.
Incorrect seed meter wheel
Replace wheels with those matching seed
Unclean seed.
Use clean seed.
Damaged, old or dry seed.
Use clean, new seed.
Problem
Cause
Solution