2019-06-12
401-705M
YP3025A
Troubleshooting
94
Uneven seed
spacing
Population Troubleshooting Charts
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
3. Install a low speed kit (page 130).
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
®
Row-unit discs not turning.
Row-unit discs not turning freely
” in this Troubleshooting
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 Planter, expose bottom of seed tube and clean out.
Lack of proper seed lubrication on seed.
Planter does
not fold or
unfold fully
Fold cylinders out of phase
Re-phase cylinders, refer to page 33
Air in lines
Bleed fold circuit, refer to page 106
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 68.
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 68.
Rough planting conditions.
Rework the field.
Seed firmer not in place and set to
correct tension.
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 22
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.
General Troubleshooting
Problem
Cause
Solution