Great Plains NTA2007HD Operator Manual User Manual
Page 103
Great Plains Manufacturing, Inc.
Troubleshooting
99
04/04/2011
166-283M
Planting too much
(some rows)
Dividers damaged or missing in towers.
Disassemble tower turrets. Replaced dam-
aged or worn parts.
Worn/damaged flute “stars” in meter.
Inspect empty meter from above. Remove
meter from below and repair.
Uneven seed depth
Excessive field speed
Slow down. Check Seeding Rate Chart for
correct maximum field speed.
Air drill not level
Check leveling instructions, page 129.
Planting conditions too wet
Wait until drier weather.
Uneven seed spacing
Excessive field speed.
Reduce field speed.
Drill not level
Check level (page 129) and weight transfer
(page 85).
Planting conditions too wet.
Wait until drier weather.
Seed-Lok™ building up with dirt.
Damaged or missing seed flaps.
Replace seed flaps.
Partially plugged opener seed tube.
Expose bottom of seed tube and clean out.
Opener disks not turn-
ing freely
Opener plugged with dirt.
Clean opener.
Planting conditions too wet.
Wait until drier weather.
Seed-Lok™ is plugging opener.
Failed disk bearings.
Replace disk bearings.
Bent or twisted opener frame.
Replace opener frame.
Partially plugged opener seed tube.
Lift up drill, expose bottom of seed tube and
clean out.
Hectares or acres
planted not correctly
reported (Area tally is
most accurate when
seeding back and forth
with markers with few
headlands and curves).
Incorrect tire size or air pressure.
Correct tire size or air pressure, page 147.
Excessive overlap or gaps between passes. Avoid overlap or gaps. Adjust marker.
Soil conditions.
Loose soil and slippage will cause variations
in acres registered.
Actual field size different.
Verify field size.
Press wheels not com-
pacting the soil as
desired
Too wet or cloddy.
Wait until drier weather or rework ground.
Inadequate or incorrect Weight Transfer
adjustment
Adjust weight transfer (page 85)
Incorrect press wheel depth.
Reset press wheel depth, page 93.
Excessive seed crack-
ing
Excessive field speed.
Reduce field speed.
Unclean seed.
Use clean seed.
Damaged, old or dry seed.
Use clean, new seed.
Fan speed too high
Use only enough speed for accurate delivery
to all rows.
Press wheel or open-
ers plugging
Planting conditions too wet.
Wait until drier weather.
Backed up with drill in the ground.
Clean out and check for damage.
Failed disk bearings.
Replace disk bearings.
Disk blades worn.
Replace disk blades.
Scraper worn or damaged.
Replace scraper.
Openers drill too deep
(Bulldozing)
Coulters set too deep
Raise opener frame (page 81).
Incorrect press wheel adjustment.
Readjust press wheel, page 93.
Problem
Causes
Solutions