Great Plains YP1625A Operator Manual User Manual
Page 90
86
YP1125A & YP1625A
Great Plains Manufacturing, Inc.
401-625M
2013-08-13
Uneven
seed depth
Excessive field speed.
Reduce field speed.
Planting conditions too wet.
Wait until drier weather.
Incorrect coulter depth setting.
See coulter manual or set unit mounted coulter.
Excessive or improper row unit down
pressure spring setting.
See 25 series row-units, page 60.
Damaged seed tubes.
Check seed tubes for damage.
Seed-Lok
®
building up with dirt.
Lock up Seed-Lok
®
Row-unit not penetrating low spots.
Adjust row-unit, see instructions beginning on page 60.
Rough planting conditions.
Rework the field.
Seed firmer not in place and set to
correct tension.
See “Seed Firmer Adjustments” on page 74.
Press wheel
or row-units
plugging
Planting conditions too wet.
Wait until drier weather.
Too much pressure on row-units.
Reduce down pressure on row-units.
Coulters set too deep, bring up
excess dirt and moisture.
Check coulter adjustment.
Planter not set to run level from front
to rear.
Check tongue height page 17
Backed up with planter in the
ground.
Clean out and check for damage.
Failed disc bearings.
Replace disc bearings.
Disc blades worn.
Replace disc blades.
Scraper worn or damaged. Side
depth wheels not set correctly.
Adjust side depth wheels page.
Row-unit
discs 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 Adjustments” on page 66.
Seed-Lok
®
is plugging row-unit.
Lock up Seed-Lok
®
Failed disc bearings.
Replace disc bearings.
Bent or twisted row-unit frame.
Replace row-unit frame.
Partially plugged row-unit seed tube. Lift up planter, expose bottom of seed tube and clean out.
Press
wheels not
compacting
the soil as
desired.
Incorrect spring handle setting
See “Press Wheel Adjustments” on page 76.
Insufficient row unit down-force
See “Row-Unit Down Pressure” on page 61.
Use of incorrectly shaped tire for
your conditions.
Wedge shaped wheels work best on narrow spacings and in
wet conditions. Round edge wheels work best in wider row
spacings and drier conditions.
Not level front to rear.
Check tongue height.
General Troubleshooting
Problem
Cause
Solution