CCS Seed Delivery Operation

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A - Delivery Hose

Seed treatments, field conditions, humidity, and seed size alters fan pressure required to deliver seed to all rows. Talc or graphite lubrication is required on ALL crops to lubricate seed. Chemically treated seed can require two to three times the rate of lubrication to avoid plugging. When changing crops, use the initial setting found in SETTING CCS SEED DELIVERY TANK PRESSURE in this section before adjusting for field conditions.

Generally, this system performs best when using the lowest possible pressure setting to deliver seed to all row units.

Some light weight varieties of seed, such as sorghum-milo, are picked up too easily by the nozzles. Nozzle inserts are installed over the nozzles to restrict the opening slightly, limiting the amount of seed picked up. Nozzle inserts allow light weight seeds to flow at optimum rates and reasonable pressures ensuring reliable seed delivery to all rows.

IMPORTANT: Avoid hydraulic motor and tank lid damage. DO NOT exceed 24 in. of tank pressure.

Random drops in population that last only short periods (5—20 seconds) can indicate system is not maintaining adequate seed flow.

Make sure meters and vacuum system is functioning properly before adjusting system.

Increase pressure in 2 inch increments until random population drops stop.

If monitor issues a “Row Failed” warning, first determine if the failure is caused by bridging or plugging.

Correcting Nozzle Bridging and Seed Delivery Hose Plugging:

See BRIDGED AND BLOCKED CCS SYSTEM in Service section.

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