Troubleshooting – Great Plains 2525F Operator Manual User Manual
Page 46
42 2020F, 2025F, 2520F and 2525F
118-232M
01/23/2012
Troubleshooting
Problem
Cause
Solution
Planting too little
Seed Cup Door setting too low for seed
size
Open seed cup door one step.
Incorrect Seed Rate Handle setting
Re-check against Seed Rate Charts.
Verify calibration.
Incorrect Drive Type.
Re-check against Seed Rate Charts.
Verify calibration.
Excessive field speed.
Reduce speed
Incorrect tire size or air pressure.
Correct tire size and air pressure, page 61.
Seed size and weight vary from chart.
Calibrate. Adjust Seed Rate to compensate.
Excessive gaps between drill passes.
Adjust marker, page 25.
Check seed level in seed box.
Fill seed box.
Actual field size is different.
Verify field size.
Build up of seed treatment in seed cup.
Clean out seed cup, page 51.
Consider adding a seed lubricant.
Seed cup plug installed.
Check seed flow shut off, page 32.
Plugged seed hose.
Clean out seed tube hose.
Plugged opener seed tube.
Lift up drill, expose bottom of seed tube and
clean out.
Seed cup sprocket damaged.
Replace seed cup sprocket
Obstruction in seed cup or seed tubes
(foreign material or uncleaned seed).
Clean seed cup and seed tube.
Thrown or worn chains.
Check drive chains.
Planting too much
Seed Cup Door setting too high or set to
clean-out.
Reset seed cup door.
Incorrect Seed Rate Handle setting
Re-check against Seed Rate Charts.
Verify calibration.
Seed cup drive disengaged.
Check ground drive and Drive Type.
Incorrect Drive Type.
Re-check against Seed Rate Charts.
Verify calibration.
Seed size and weight vary from chart.
Adjust transmission or tire pressure.
Actual field size is different.
Verify field size.
Excessive overlap. Irregular shaped field.
Adjust marker, page 25.
Incorrect tire size or air pressure.
Correct tire size and air pressure, page 61.
Seed cup sprocket damaged
Replace if damaged.