Great Plains 2525A Operator Manual User Manual
Page 66

62
2025A/2525A
Great Plains Manufacturing, Inc.
118-999M
2013-06-04
Seed too
shallow or
scattered on
ground from a
single row
Bottom of seed tube damaged.
Replace seed tube. Avoid setting planter straight down. Use
forward motion when lowering.
Row not penetrating in tire tracks. Increase down force on parallel arm springs.
Opener depth too shallow.
Change side depth wheel setting.
Twin Rows
were timed
but became
out of time.
Timing will change when a popu-
lation change has been made.
Re-time meters from the population based timing chart.
Chain has jumped.
Check sprockets and chain for excessive wear or rusty stuck
links.
Population Related
Problem
Cause
Solution
General Troubleshooting
Problem
Cause
Solution
Population
Alarms
See “Population Troubleshooting Charts” on page 58.
Excess Seed
Remaining
See “Population Troubleshooting Charts” on page 58.
Field size different.
After ruling out population problems, re-check geography.
Excessive gaps between drill
passes.
Adjust marker, page 100.
Seed
Consumptio
n Too High
See “Population Troubleshooting Charts” on page 58.
Field size different.
After ruling out population problems, re-check geography.
Excessive overlap.
Irregular shaped field.
Adjust marker, page 100.
Rows Not
Planted
If not detected by optional seed
monitor, check for plugged row-unit
seed tube
Lift drill, expose bottom of seed tube and clean out.
Uneven
seed
spacing
See “Population Troubleshooting Charts” on page 58.
Excessive field speed.
Reduce field speed.
Unclean seed.
Use clean seed.
Damaged seed tube
Inspect; repair or replace.
Seed-Lok® plugging.
Lock up Seed-Lok®, page 53.
Row-unit discs not turning.
See “Row-unit discs not turning freely” in this Trouble-
shooting chart.
Worn/rusted sprockets and/or chain
idler or bearings.
Check and replace any worn/rusted sprockets or chain idlers.
Partially plugged row-unit seed tube. Lift up drill, expose bottom of seed tube and clean out.
Lack of proper seed lubrication on
seed.