Great-plains 1625AHL Operator Manual User Manual Page 102

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  • TROUBLESHOOTING
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98 1625AH Table of Contents Index Great Plains Manufacturing, Inc.
411-020M Table of Contents Index 2014-04-21
General Troubleshooting
Problem Cause Solution
Population
Alarms
See “Seed Population Troubleshooting Charts” on page 91.
Excess Seed
Remaining
See “Seed Population Troubleshooting Charts” on page 91.
Field size different. After ruling out population problems, re-check
geography.
Excessive gaps between planter passes. Adjust marker, page 68.
Seed
Consumption
Too High
See “Seed Population Troubleshooting Charts” on page 91.
Field size different. After ruling out population problems, re-check
geography.
Excessive overlap.
Irregular shaped field.
Adjust marker, page 68.
Rows Not
Planted
If not detected by seed monitor, check for
plugged row-unit seed tube
Lift planter, expose bottom of seed tube and clean out.
Uneven seed
spacing
See “Seed Population Troubleshooting Charts” on page 91.
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 85.
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 128.
Planter does
not fold or
unfold fully
Fold cylinders out of phase Re-phase cylinders, refer to page 32
Air in lines Bleed fold circuit, refer to page 115
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 71).
Damaged seed tubes. Check seed tubes for damage.
Row-unit not penetrating low spots. Adjust row-unit, see instructions beginning on page 71.
Rough planting conditions. Rework the field.
Seed firmer not in place and set to correct
tension.
See “Seed Firmer Adjustments” on page 85.
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