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Great Plains CTA4000 HD Operator Manual User Manual

Page 58

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54

CTA4000HD

Great Plains Manufacturing, Inc.

160-037M

2012-11-28

Openers plugging

Disks need adjustment

See page 48.

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