Great Plains CTA4000 Operator Manual - Manual (Page 52)

48 CTA4000
160-269M-A 08/03/2010
Secondary seed hoses
plugging
Fan speed too low Increase hydraulic flow to circuit.
Damaged hoses Inspect and repair as needed.
Debris in seed or hoses Disconnect, inspect and clear.
Sharp bends or too much slack in
hoses Re-route hoses for minimum necessary slack
and no sharp bends.
Openers plugging Disks need adjustment See page 42.
Scrapers need adjustment See page 42.
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 cor-
rect maximum field speed.
Fan speed too high Check fan speed against recommendations on
page 29.
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 misconnection Re-check hose connections from tractor,
through cart, to implement.
Problem Cause Solution