Troubleshooting – Great Plains 3P1006NT Operator Manual User Manual
Page 44
151-144M
2011-12-20
40
3P1006NT
Great Plains Manufacturing, Inc.
Troubleshooting
Problem
Cause
Solution
Uneven seed spacing or
uneven stand
Excessive field speed.
Reduce field speed.
Feed cups plugging.
Clean out feed cups.
Seed tubes plugging.
Clean out seed tubes.
Opener discs not turning freely.
See “Opener discs not turning freely” in this
Troubleshooting section.
Ground drive wheel slippage
Check tire pressure and frame height.
Solution may require drier conditions.
Seed cups too wide
Use faster Drive Type speed and close feed
cup flutes to a more narrow position.
Chain skipping.
Check chain slack and wear.
Mud build-up on Seed-Lok
®
wheel
Lock-up Seed-Lok
®
(page 38) or wait for
drier conditions.
Uneven seed depth
Excessive field speed.
Reduce field speed.
Planting conditions too wet.
Wait until drier weather.
Drill not level
Casters lifting drill
Set lift-assist circuit to Float.
Opener discs not turning
freely
Trash or mud build up on disc scraper. Adjust scraper (page 37).
Scraper adjusted too tight, restricting
movement.
Adjust scraper (page 37).
Failed disc bearings.
Replace disc bearings.
Bent or twisted opener frame.
Replace opener frame.
Planting conditions too wet.
Wait until drier weather.
Too much opener down pressure.
If opener discs turn freely by hand but not in
field, reduce down pressure (page 37).
Incorrect press wheel adjustment.
Readjust press wheel (page 39).
Actual material rate
different than desired
Incorrect frame height, axle setting,
tire size or tire inflation.
Check ground drive tires (page 65), frame
height (page 16) and axle setting (page 32).
Improper tire size or air pressure.
Check tire size and air pressure (page 65).
Build up of seed treatment in feed
cup.
Clean out seed treatment from feed cups.
Incorrect rate adjustment.
Check gearbox, sprocket, seed rate handle
and seed door settings. Perform calibration if
not already done.
Excessive seed cracking
Excessive field speed.
Reduce field speed.
Feed cup flutes not open enough.
Open feed cups to a wider position.
Feed cup door handle not open
enough.
Open feed cup door handle to a lower
position.