GREAT PLAINS YP1630F-1630, Operator'S Manual, Page: 73 / 142

YP1630F-1630 and YP1630F-1670 Table of Contents Index Troubleshooting
Great Plains | 401-832M | 2018-07-31 Table of Contents Index 69
Uneven seed
spacing
See “ Seed Population Troubleshooting Charts ” on page 65.
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 105).
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 61 .
Row-unit discs not turning.
See “Row-unit discs not turning freely. ” in this
Troubleshooting chart.
Plugged row-unit seed tube. Lift up planter, expose bottom of seed tube and clean out.
Worn/rusted sprockets and/or chain idler
or bearings.
Check and replace any worn/rusted sprockets or chain idlers.
Lack of proper seed lubrication on seed.
See “ Seed Lubricants
” on page 104.
Planter does not
fold or unfold
fully
Fold cylinders out of phase Rephase cylinders, refer to
page 30
Air in lines Bleed fold circuit, refer to
page 93
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.
Adjust down-pressure (
page 51
).
Damaged seed tubes. Check seed tubes for damage.
Row-unit not penetrating low spots. Adjust row-unit, see instructions beginning on
page 51
.
Rough planting conditions. Rework the field.
Seed firmer not in place and set to correct
tension.
See “ Seed Firmer Adjustments ” on page 61.
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 19
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