Great Plains CTA4000 HD Operator Manual User Manual
Page 58

54
CTA4000HD
Great Plains Manufacturing, Inc.
160-037M
2012-11-28
Openers plugging
Disks need adjustment
Scrapers need adjustment
Conditions too damp
Wait for drier weather.
Opener disks not turning
freely
Trash or caked mud at hub
Inspect and clear. Adjust scraper as needed.
Down force too high or too low
Adjust down force and re-check.
Depth too shallow
Adjust T-handles after checking down-force.
Failed bearing
Replace bearing.
Furrow not fully or
consistently closed
Down force too low or too high for
depth setting
Adjust down-force and re-try.
Depth too shallow
Adjust T-handles on several rows and re-try.
Press wheels not turning freely
See that topic above.
Mud building and releasing from
press wheels
Adjust scrapers.
Conditions may be too wet for planting.
Press wheels pressing
too deep
Down force too high
Adjust down-force and re-try.
Press wheels not turning
Check for trash.
Check for dried mud at hub.
Check for failed bearing.
Excessive seed cracking
Excessive field speed
Slow down. Check Seeding Rate Chart for
correct maximum field speed.
Fan speed too high
Check fan speed against recommendations on
page 35.
Dividers missing or damaged in
towers
Check and replace as needed,
Unclean seed
Use clean seed.
Damaged, old or dry seed
Use clean, new seed.
Gauges reading zero with
implement lowered and
circuit locked on
Hydraulic hoses mis-routed
Re-check hose connections from tractor,
through cart, to implement.
Gauge readings increase
when circuit is set to
neutral
Normal
No action required.
Openers raise, but
provide no
down-pressure
Hose mis-connection
Re-check hose connections from tractor,
through cart, to implement.
Problem
Cause
Solution