Great Plains 800EW Operator Manual - Manual (Page 29)

Troubleshooting 27
02/24/2010 175-253M
Troubleshooting
See also: “Troubleshooting” topic in the drill Operator Manual.
Problem Causes Solutions
No material flow
(all rows) Drill drive clutch not engaged Clean and lubricate clutch mechanism.
No material loaded Re-load material. Check setting and review
calibration if run-out was unexpected.
Old material has congealed across box Clean-out box. Replace material.
Rate Adjuster set to zero Set rate adjuster. Calibrate if not already
done.
Material granularity too large for rate control
gate opening - usually due to moisture caus-
ing clumping Replace with dry material.
Broken chain Inspect all chains. Adjust slack.
System jammed, usually due to solidified
congealed material left in fertilizer box Clean out box. Wash and dry meter flutes. In
extreme cases, this may require meter disas-
sembly.
Incorrect Material Flow
(fewer than all rows) Obstruction in meter gate Clean-out materials. Remove foreign matter.
Plugged hoses Disconnect hoses and clear.
Old material has congealed at some rows Clean-out box. Replace material.
Broken meter flutes Clean-out box. Inspect and replace worn or
damaged flutes.
Material Flow Irregular Material granularity too large for rate control
gate opening - usually due to moisture caus-
ing clumping
Replace with dry material.
Material adhering to meter flutes Clean-out box. Inspect and clean flutes. Use
dry material.
Check tire size and inflation
Ground speed too low or too high
Plant at a reasonable speed.
Skipping chains Inspect all chains. Adjust slack.
Conditions may be too wet Wait for dryer conditions.
Material Flow too Low Planting per chart rate only Calibrate
Check tire size and inflation
Excessive gaps between passes
Check that pass gap is one row space.
Meter flutes worn Clean-out box. Inspect and replace worn or
damaged flutes.
Material Flow too High Planting per chart rate only Calibrate
Pass overlaps Check that pass gap is one row space.
Meter flutes worn (allowing too much mate-
rial to pass) Clean-out box. Inspect and replace worn or
damaged flutes.