Great Plains PD8070 Operator Manual - Manual (Page 33)

1/24/2006 401-266M
31 Troubleshooting
Problem Possible Cause and Solution
One row not planting seed. Seed meter not engaged. Refer to Field Operation, “Operation,” page 17.
Check for foreign material in hopper. Clean hopper and finger pickup mechanism.
Refer to Finger Pickup Meter, “Maintenance and Lubrication,” page 34.
Check that seed hopper is full of seed.
Check if drive chain for row unit is off of sprocket or broken. Replace chains as
necessary.
Meter not engaging properly. Check that meter input shaft is aligned with meter clutch shaft. Refer to Meter
Drive Adjustments, “Adjustments,” page 20.
Row unit is skipping. Check for foreign material or obstruction in meter. Inspect and clean meter.
Check that adjustment nut in meter is adjusted between 22 and 25 inch-pounds.
Tighten if necessary. Refer to Finger Pickup Meter, “Maintenance and Lubrica-
tion,” page 34.
Check tension on finger pickup. Tighten if necessary.
Check for broken meter fingers. Refer to Finger Pickup Meter, “Maintenance and
Lubrication,” page 34.
Consider your planting speed. Increase planting speed to within recommended
range. For correct speed, refer to Planting Rate Charts, “Adjustments,” page 20.
Planting too many doubles. Consider your planting speed. Decrease planting speed to within recommended
range. For correct speed, refer to Planting Rate Charts, “Adjustments,” page 20.
Check that adjustment nut in meter is adjusted between 22 and 25 inch-pounds.
Tighten if necessary. Refer to Finger Pickup Meter, “Maintenance and Lubrica-
tion,” page 34.
Check brush in seed meter for wear. Inspect and replace if necessary. Refer to Fin-
ger Pickup Meter, “Maintenance and Lubrication,” page 34.
Over planting. Check carrier plate in seed meter for wear. Inspect and replace if necessary. Refer
to Finger Pickup Meter, “Maintenance and Lubrication,”page 34.
Under planting. Check if belt in seed meter is installed backward. Remove and install correctly.
Refer to Finger Pickup Meter, “Maintenance and Lubrication,” page 34.
Check for weak springs in finger pickup meter. Replace as necessary. Refer to Fin-
ger Pickup Meter, “Maintenance and Lubrication,” page 34.
Spring not properly installed. Remove finger from seed meter and correct. Refer to
Finger Pickup Meter, “Maintenance and Lubrication,” page 34.
Seed belt catching or dragging. Replace belt. Refer to Finger Pickup Meter, “Main-
tenance and Lubrication,” page 34.
Brush dislodging seed. Replace brush. Refer to Finger Pickup Meter, “Mainte-
nance and Lubrication,”page 34.
Irregular or incorrect seed spac-
ing. Consider your planting speed. Slow down if necessary. For correct speed, refer to
Planting Rate Charts, “Adjustments,” page 20.
Check tire pressure. Refer to Tire Inflation Chart, “Appendix,” page 52.
Drive wheels slipping. Reduce down pressure on row unit. Refer to Row Unit
Adjustments, “Adjustments,” page 20.
Check that correct sprockets are installed on transmission shafts. Refer to Plant-
ing Rate Charts, “Adjustments,” page 20.
Troubleshooting