Great Plains 1520P Operator Manual - Manual (Page 52)

1510P and 1520P
118-732M 5/6/2010
50
Press wheels not compacting
the soil as desired Too wet or cloddy. Wait until drier weather or rework
ground.
Coulter set too shallow. Check coulter adjustment in hitch
operator’s manual.
Drill not running level front-to-back in
the field. Readjust top link to level drill.
10 Series Openers - incorrect press
wheel depth setting. Check opener adjustment, page 25.
Opener spring pressure too high. Reduce opener spring pressure.
20 Series Openers - not enough pres-
sure on press wheels. Check opener adjustment, page 27.
Excessive seed cracking Excessive field speed. Slow down. Check Seeding Rate
Chart for correct maximum field
speed.
Unclean seed. Use clean seed.
Incorrect seed meter wheel. Change seed meter wheel, page 34.
Incorrect seed size for seed meter
wheel. Verify seed count on seed bag with
seed meter wheel.
Build up of seed treatment in seed
meter wheel pockets. Clean seed meter wheel. Add more
talc lubricant.
Worn or damaged seed meter wheel. Replace seed meter wheel.
Worn or damaged meter slide. Replace meter slide, page 53.
Damaged, old or dry seed. Use clean, new seed.
Drill boxes do not empty
evenly Right and left hand seed rates are not
set the same. Readjust rates, see Seed Rate Charts
page 96
Tire sizes or tire inflation not equal on
right and left gauge wheels. Correct tire size or tire inflation, page
128.
Meter(s) are shut off. Open meter(s).
Opener seed tube plugged. Lift up drill, expose bottom of seed
tube and clean out with wire.
Sliding seed tube plugged. Clean out sliding seed tube.
Drive chains damaged or missing. Replace drive chains.
Drive torque requirements different
on right and left gauge wheel drives. Check gauge wheels and tires.
Unequal number of sliding seed tubes
in each box compartment.
Planting around fields vs. back-and-
forth. Correct planting operation.
Rough field conditions may move
seed in the box.
Problem Cause Solution