Operation 19
MAN1280 (4/05/2019)
Cool Season Seed Cup Concave Lever Adjustment
The Cool Season seed cup comes equipped with an
adjustable concave to handle a wide variety of seed
sizes. For small seeds, including grass seeds, the con-
cave should be at the highest position. This position
will prevent the loss of seed flowing through the seed
cup. For larger seeds, including soybeans, the concave
should be moved to a lower position. For minimum
seed rates, the concave should only be opened to the
size of the seed. This will prevent cracking of large
seeds by the seed cup. Opening further will increase
seed rates. See Figure 19.
Figure 20. Legume Seed Rate Adjustment Lever
Figure 21. Pointer, Legume Box
Legume Seed Cup
The Legume seed box is equipped with PVC tubes to
place the legume seed in the transition tray for the Pri-
mary seed box, ahead of the middle roller. The PVC
tubes can be repositioned in the Legume transition tray
for seed to be dropped ahead of the cultipacker.
Figure 22. Legume PVC Tubes
Operating Tips
IMPORTANT
■ Before closing down the cup (reducing rates),
the operator should make certain that the cups are
not full of seed. If cups are full of seed (especially
small, round, hard seed), it may be necessary to
cover the meter holes and run seeder a short dis-
tance to reduce level of seeds in meter. Failure to
do so could result in damage to seed cup.
■ Do not allow dirt to build up on the roller
sprockets. Clean sprockets and chain as needed.
Excessive buildup of material can cause damage to
the roller and idler shafts.
■ Always run the drive chain with some slack in
the chain. An extremely tight chain can damage the
roller shaft, the roller bearings, and the idler shaft
and bearing.
■ For optimum tillage or seeding ground pres-
sure with a tow kit accessory, do not lift wheels
completely off the ground. Lifting wheels com-
pletely off the ground can generate negative
tongue weight in some scenarios.
(Rev. 8/20/2019)
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