Great Plains NTA2007 Operator Manual - Manual (Page 108)

104 NTA607 or NTA2007 Table of Contents Index Great Plains Manufacturing, Inc.
166-372M Table of Contents Index 2012-01-05
Planting too much
(some rows) Dividers damaged or missing in towers. Disassemble tower turrets. Replaced
damaged 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 seed rate chart for correct
maximum field speed.
Implement not level Check levelling instructions, page 133.
Planting conditions too wet Wait until drier weather.
Uneven seed spacing Excessive field speed. Reduce field speed.
Drill not level Check level (page 133) and weight transfer
(page 90).
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 discs not
turning 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 disc bearings. Replace disc 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 152.
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
compacting 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 90)
Incorrect press wheel depth. Reset press wheel depth, page 98.
Excessive seed
cracking 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
openers plugging Planting conditions too wet. Wait until drier weather.
Backed up with drill 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. Replace scraper.
Openers drill too deep
(Bulldozing) Coulters set too deep Raise opener frame (page 86).
Incorrect press wheel adjustment. Readjust press wheel, page 98.
Problem Causes Solutions