Great Plains 1205NT Operator Manual User Manual
Page 47
3/28/12
150-131M
45
Troubleshooting
Excessive seed cracking
Excessive field speed.
Reduce field speed.
Feed cup flutes not open enough.
Open feed cups to a wider position.
Feed cup door handle not open
enough.
Open feed cup door handle to a lower
position.
Acremeter does not measure accu-
rately.
NOTE: Acremeter is most accurate
when seeding back and forth with
markers with few headlands, curves
and pointrows.
Incorrect tire size or air pressure.
Correct tire size or air pressure, page
61.
Excessive overlap or gaps between
passes.
Avoid overlap or gaps. Check marker
adjustment, page 38.
Soil conditions.
Loose soil and slippage will cause
variations in acres registered.
Acremeter not for your width of drill.
Refer to parts manual.
Actual field size different.
Verify field size.
Press wheels not compacting soil
as desired
Too wet or cloddy.
Wait until drier weather or rework
ground.
Incorrect hitch height.
Readjust hitch height, page 16.
Press wheel depth does not match
coulter depth.
Readjust press wheel depth, page 27.
Not enough down pressure on disk
openers.
Increase down pressure on openers,
page 27.
Grain box not emptying evenly
Some models do not have same num-
ber of feed cups between each divider
of bulkhead.
Press wheel or openers plugging
Planting conditions too wet.
Wait until drier weather.
Too much down pressure on openers.
Reduce down pressure on openers,
page 27.
Backed up with drill in the ground.
Clean out and check for damage.
Failed disk bearings.
Replace disk bearings.
Scraper worn or damaged.
Replace scraper.
Raising and lowered drill is rough
or uneven
Wheel arm pivot casting needs lubri-
cating.
Lubricate wheel arm pivot castings.
Leaking hydraulic fittings.
Check fittings for leaks, see page 17
for safety message.
Rephasing cylinders not bled properly.
See page 18 for information.
Feed cup sprockets locked up or
twisted feed cup drive shaft
Foreign matter lodged in one or more
feed cup sprockets.
Clean out feed cup sprockets. Use
clean seed.
Dried liquid insecticide inside feed
cups.
Remove build up by disassembling
each feed cup and scraping foreign
substance from turn surfaces.
Coulters not going deep enough
Not enough weight.
See page 26 for correct weight.
Coulters and drill going too deep
Too much weight.
See page 26 for correct weight.
Incorrect depth control setting.
Incorrect press wheel adjustment.
Set press wheels to a shallower depth.
Problem
Cause
Solution