Great-plains ADI445 Operator Manual User Manual download pdf (Page 38)

Section 3 Adjustments

Model 2250 Air Drill Implement 160-192M 5/11/05

Great Plains Mfg., Inc.

The front to back setting of the fertilizer tine can be

changed by loosening the two 5/8” carriage bolts (#1) that

hold the fertilizer tine arm (#2) to the main coulter arm

(#3). With the carriage bolts loose, the fertilizer tine arm

can be slid up and down the coulter arm. This will change

the distance from the rear of the coulter blade to the fertil-

izer tine (#4) and it will also change the fertilizer tine depth

(the tine should be approximate 1” from the rear of the

coulter blade). Keep in mind that the fertilizer tine should

remain in a vertical or slightly swept back position. A slot-

ted hole (#5) in the fertilizer tine arm can be used to keep

the tine in proper orientation.

Once the horizontal distance from the coulter blade to the

fertilizer tine is set, the vertical position should be adjusted

so that the tip of the tine will operate approximately 1” to 1

1/2” below the surface of the soil. This adjustment can be

made by removing the 1/2” bolt (#6) and spring tine clip

(#7) and moving the spring tine attachment to a higher or

lower hole. Again, the slotted hole in the fertilizer tine arm

can be used to help make this adjustment.

Electric Clutch Height Switch

WARNING!

Do not place any part of body under implement while making

adjustments.

1. Locate the height switch. The height switch can be

found on the right hand front dual gauge wheel rock-

shaft.

2. Lower the implement until it is at a height where seed-

ing should start (usually just above the ground).

3. Turn off the tractor and remove the key.

4. Refer to Figure 3-10. Loosen the cam clamp (#1) on

the rockshaft and turn until the switch roller (#2) is just

starting to make contact with the ramp surface.

Fetilizer Attachment Adjustments

Figure 3-9

15161

5. Raise the implement fully and check that the switch is

compressed, see Figure 3-11.

Electric Clutch Switch Adjustment

Figure 3-10

15160

NOTE: The switch circuit is designed so that seed will

be metered if the switch is extended (off cam). Meter-

ing is stopped when the switch is compressed (on

cam). Meter will not shut off when the implement is

raised if cam clamp should come loose.

Metering Off Position

Figure 3-11

14550

Operating Checklist

✔ Check Reference

Safety Rules Page 1

Operating Instructions

Page 29

Tire Pressure Page 44

Lubricate Drill as Needed Page 39

Check for Hydraulic Leaks Page 16

Level the Implement Page 19

Page 33

Bleed Hydraulic Lines Page 16

Page 19

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Great-plains ADI445 Operator Manual User Manual Page 38

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