Operators manual MODEL 80XX Planter
page 20 of 173
Configuration and Functions of the Planter
Row Unit Set-Up
To achieve the highest accuracy while planting it is important to have the row unit properly adjusted.
Feed Chain Speed –
The speed of the feed chains can be set by adjusting the flow control Needle valve (1) in the front center of the
planter. On a mechanical drive planter it can be adjusted with the flow control on the tractor valve. This speed
should not be too fast to throw potatoes at the belt. However it must be fast enough to keep the seed bin full.
Seed Bin Level –
Before adjusting the row unit itself it is important to set the level of the seed bin. There are two ways to do this:
1. Loosen the carriage bolt (2) on the sensor bracket and slide the sensor to the desired position.
2. With a small screwdriver tighten or loosen the adjusting screw (3) located on the sensor itself. This changes.
The “seeing” distance of the sensor. This screw is located on top of the sensors with plastic connectors and on
the side of the barrel of the sensors with the metal connectors.
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The level of the seed bin is critical. There must be enough seed in the bin so that there are no skips as the cups
come out of the potatoes. If this level is too high it is difficult to shake off all of the doubles.
Note: This bin level greatly effects how the shakers and the belt react. If you change this level you will
have to adjust the shakers.
Shaker Frequency –
The electrical and hydraulic shaker options offer a high frequency vibration to the belt and cups. This frequency
is adjustable from ~0 to 2100 Hz. A good starting point is about 50-60% of the maximum shake. This is adjusted
on hydraulic shakers in one of two ways , with the CP 600 Control Box using the control panel. Without the CP
600 Control Box , using the Tractor’s Remote. On electric shakers with CP600 it is adjusted by pressing the button
under the bar graph entitled “shaker” and then adjusting the value with the knob. If the button stays on it will be in a
manual override mode and not shut off the shakers at the end of the field. When you are done adjusting the
shaker make sure to press the button again so that the light goes off.
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