Great Plains NTA3007 Operator Manual - Manual (Page 122)

118 NTA907 or NTA3007 Table of Contents Index Great Plains Manufacturing, Inc.
166-371M Table of Contents Index 2012-07-02
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
see also See
“Down-Pressure
Adjustment
Indications” on
page 102 Excessive field speed Slow down. Check Seeding Rate Chart for
correct maximum field speed.
Drill not level Check levelling (page 32).
Planting conditions too wet Wait until drier weather.
Uneven seed spacing Excessive field speed. Reduce field speed.
Drill not level Check level (page 32), down-pressure
(page 101) and weight transfer (page 107).
Planting conditions too wet. Wait until drier weather.
Seed-Lok building up with dirt. Lock up Seed-Lok (page 113).
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 113).
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 Incorrect tire size or air pressure. Correct tire size or air pressure (page 166).
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. Area tally is most accurate
when seeding back and forth with markers
and with few headlands and curves
Press wheels not
compacting 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 page 101).
Incorrect press wheel depth. Reset press wheel depth (page 114).
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.
Too much hydraulic pressure on openers. Reduce hydraulic down pressure on
openers.
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.
Problem Causes Solutions