Great Plains
| 118-949M | 2018-07-03
90
1525P and 1510HDP
Troubleshooting
Drill boxes do
not empty
evenly
Right and left hand seed rates are not set the
same.
Readjust rates, see Seeding Rate Chart, page 96.
Tire sizes or tire inflation not equal on right and
left gauge wheels.
Correct tire size or tire inflation, page 142.
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.
Chain
Debris in retainer clip
Be sure retainer clip is facing opposite way of chain travel
Press wheel or
openers
plugging
Planting conditions too wet.
Wait until drier weather.
Drill not running level front-to-back in the field.
Readjust top link to level drill.
Drill frame height incorrect.
Adjust drill frame height, page 33.
Coulters not set deep enough to cut residue.
Check coulter adjustment in hitch operator’s manual.
Opener set too deep.
Readjust, page 26.
Opener spring force too high.
Readjust, page 25.
25 Series Openers press wheel spring force too
high.
Readjust 25 series, page 25
20 or 25 Series Openers 1 x 12 press wheel
stagger adjustment not correct.
Correct press wheel stagger.
Backed up with drill in the ground
Clean out and check for damage.
Failed disk bearings
Replace disk bearings.
Press wheel or
openers
plugging
cont’d
Disk blades worn.
Adjust or replace disk blades, page 62.
25 Series Opener side depth wheels not adjusted
correctly.
Readjust, page 24.
Scraper worn or damaged.
Replace scraper.
Openers plugging in no-till conditions.
Drill at a slight angle to the rows.
Drill is not
pulling level
front-to-back
Incorrect top link adjustment.
Readjust top hitch link to level drill.
Hydraulic
marker
functioning
improperly
Air or oil leaks in hose fittings or connections.
Check all hose fittings and connections for air or oil leaks.
Low tractor hydraulic oil level.
Check tractor hydraulic oil level.
Loose or missing bolts or fasteners.
Check all bolts and fasteners.
Needle valve plugged.
Open needle valve, cycle markers slowly and reset needle
valve, refer to page 46.
Needle valve(s) in sequence valve plugged.
Open needle valves, cycle markers slowly and reset needle
valves, refer to page 46.
Problem
Cause
Solution