18 Operation
MAN1280 (4/05/2019)
Filling the Seed Box
1. Calibrate seeder and set seed cup rate adjustment
and concaves to the correct position. Start with the
seed cup at a fully closed position and open the
seed cup to the desired fluted roller opening.
NOTICE: The seed cup can be opened further with
seed, but closing the seed cup or concave when
full of seed could result in seed cup damage. If the
seed cup must be restricted with seed in the seed
box, place a piece of cardboard over the seed cup
opening and remove seed in the seed cup by
opening the concave or rotating the seed shaft and
then closing the seed cup.
2. Open the seed box cover and rotate the brace to
hold the cover up while filling the seed box. Place
brace point in the covers spill guard notch. See
Figure 16.
3. Place seed in the seed box.
4. Lift brace and rotate to storage position. Close
seed cover and engage cover latch.
Figure 16. Seed Box Cover and Brace
Seed Rate Adjustment
Tractor speed and seed flow settings are critical for
proper seed population. Use the calibration tray to
adjust the seed cups for the desired seeding rate. Trac-
tor speed (normally 2-5 mph) should be established so
that uniform seed incorporation occurs with the action
of the rollers.
The slow chain drive, Figure 24 and Figure 25, comes
with the disc gang accessory. The fast chain drive, Fig-
ure 23 and Figure 26, comes with the spiked roller
accessory. If the other chain drive is desired for use
with the front tool, they can be purchased separately.
Seed Rate
Adjust the flow control lever (Figure 17 and Figure 20)
as needed for the seed being used and the population
desired. To adjust, loosen the plastic knob, move to
desired position and re-tighten the knob.
Figure 17. Cool Season Seed Rate Adjustment Lever
Figure 18. Pointer, Cool Season Box
Before seeding an area, adjust the top link so that it is
in the middle of the slot with the seeder on level
ground.
NOTICE: It is normal for the disc version to pitch for-
ward at maximum front tool angle.
Figure 19. Cool Season Seed Cup Concave
Adjustment
DP16
DP18
Concave Open -
Maximum Position
Concave
Closed
Concave
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