Great-plains ADI445 Operator Manual User Manual download pdf (Page 39)

Section 4 Troubleshooting

5/11/05

Model 2250 Air Drill Implement 160-192M

Great Plains Mfg., Inc.

Section 4 Troubleshooting

Problem Solution

Erratic seeding, fertilization, or emer-

gence pattern.

Check entire air system (i.e., hoses and towers) for leaks.

Check 1” hoses or 2 1/2” hoses for plugging

Check openers or fertilizer attachments for plugging.

If erratic coulter fertilization pattern, check seed brake for plugging.

Bad connection in electric clutch circuit. Check circuit thoroughly.

Driving too fast - slow down.

Opener not lined up with press wheel.

Seeding or fertilization pattern is skip-

ping rows.

Opener or fertilizer attachment is plugged.

1” Hose from tower to opener is plugged

Foreign object in tower blocking outlet to 1” seed hose.

1” Hose disconnected from either opener or tower.

Damaged hoses need replaced.

1” Seed hoses from towers to openers

plugging.

Hoses have too much slack and need tightened. When taking up slack in a seed

hose that goes to an opener on a different section than the tower, leave enough

slack to allow for down ﬂex between the sections.

Fan speed to low.

Damaged hoses need replaced.

Debris in seed too large for hose.

Seed brakes on fertilizer attachment

plugging.

Seed brake not oriented correctly. Seed brake must be kept vertical so when the

air is released, the fertilizer will fall by force of gravity.

Foreign object in seed brake blocking fertilizer tube inlet.

Openers or fertilizer attachments plug-

ging with soil.

Drilling in damp or wet conditions may cause this. Lower openers into soil while

moving forward. Never back up with openers in the ground.

Turning too sharp and causing inside of machine to back up with openers in

ground. Lift openers completely out of ground if a sharp turn is necessary.

Hoe tip angle to ﬂat (ﬂoating hoe openers). See page 34, Figure 3-5.

2.5” Seed hoses from metering system

to tower plugging.

Metering system not shutting off when fan is off and is ﬁlling 2 1/2” seed hoses

with seed. Check adjustment of fan activated clutch switch (see air drill cart opera-

tor’s manual).

Fan speed too slow.

Hoses are routed with too sharp of bends.

Front and rear hoe openers not planting

at the same depth.

Press wheels out of adjustment. See Setting the Seeding Depth And Leveling

Front to Rear, in the “Adjustments” section on page 33.

Check air pressure in gauge wheel tires. Make sure tires are properly inﬂated.

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Great-plains ADI445 Operator Manual User Manual Page 39

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