Great Plains NTA3007HD Operator Manual - Manual (Page 106)

102 NTA907HD or NTA3007HD
166-207M 04/04/2011
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
see also “Down-Pres-
sure Adjustment Indi-
cations” on page 86 Excessive field speed Slow down. Check Seeding Rate Chart for
correct maximum field speed.
Air drill not level Check leveling instructions, page 128.
Planting conditions too wet Wait until drier weather.
Uneven seed spacing Excessive field speed. Reduce field speed.
Drill not level Check level (page 128), down-pressure
(page 85) and weight transfer (page 91).
Planting conditions too wet. Wait until drier weather.
Seed-Lok building up with dirt. Lock up Seed-Lok, page 97.
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. Lock up Seed-Lok, page 97.
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 accu-
rate when seeding
back and forth with
markers with few head-
lands and curves. Incorrect tire size or air pressure. Correct tire size or air pressure, page 145.
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.
Not enough hydraulic down pressure, and
row unit is not level. Increase hydraulic down pressure, see
instructions beginning on page 85.
Incorrect press wheel depth. Reset press wheel depth, page 98.
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.
Too much hydraulic pressure on openers. Reduce hydraulic down pressure on open-
ers.
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.
Problem Causes Solutions