First, the inspection and maintenance of the planter
1. Before starting work, make sure that all lubrication points on the seed drill are properly oiled to ensure smooth operation of moving parts. Any missing or damaged components should be replaced or repaired immediately. Note: Avoid applying oil to gears, chains, or sprockets, as this can cause sticking and increase wear.
2. Ensure that each seed wheel has the same working length and displacement. The broadcasting adjustment mechanism must move freely without slippage or drifting.
3. Check that the disc opener rotates smoothly without shaking and does not rub against the opener body.
4. After each shift, thoroughly clean all parts of the planter, paying special attention to removing dirt and grease from the drive system to prevent damage and reduce wear.
5. At the end of each shift, empty the fertilizer from the fertilizer box to prevent corrosion of the box and the fertilizer distribution system. Check if the fertilizer axis and row axis are operating smoothly.
6. After each use, store the planter in a dry, covered area. If parking outdoors, cover the fertilizer box. Lower the opener and place the support under the frame to reduce stress on the machine’s structure.
Second, planter adjustment
1. Adjust the seeding rate by replacing the sprocket to achieve the desired rotation ratio. A higher seeding rate requires a larger rotation ratio, while a lower rate uses a smaller one.
2. Adjust the seeding amount by changing the working length of the seed wheel. Move the seeding adjustment handle left or right to set the appropriate length. Set the broadcasting adjustment handle to “0†when no seeding is required. If misaligned, loosen the stopper and reposition the seed wheel before tightening it securely. Adjust the broadcasting handle according to your needs and secure it with bolts.
3. Adjust the depth of the opener by adjusting the spring pressure. The deeper the opener goes into the soil, the greater the spring pressure. Adjust the pressure based on soil type and desired depth, ensuring even pressure across all springs for consistent depth.
4. Adjust the tongue opening depending on seed size. Larger seeds require a wider opening, while smaller seeds need a narrower one. Once adjusted, fix the position of the tongue.
5. Adjust the spacing between rows by starting from the center of the main beam and moving outward. Measure the distance between the opener tips and tighten the bolts once the correct spacing is achieved.
6. If fewer rows are needed, remove the excess openers and seed tubes, cover the unused holes in the seed box, and adjust the line spacing accordingly.
Third, planter operation
1. Do not stop the planter abruptly during operation to avoid seed accumulation and blockages.
2. Avoid making sharp turns or reversing while the planter is in use. Always lift the planter when moving over empty ground.
3. When using a suspended planter, gradually increase speed at startup and gently lower the planter to prevent damage to the opener.
4. Continuously monitor the seed box to prevent foreign objects such as debris, ropes, stones, or nails from entering the metering system.
5. Regularly check for clogs in the seed delivery system and clean them promptly to maintain efficiency.
6. Clean the planter regularly to remove dust, weeds, and other debris that may accumulate during operation.
Fourth, long-term storage of the planter
At the end of the season, proper storage is essential to ensure the planter remains in good condition for next year. Follow these steps:
1. Thoroughly clean all parts of the planter, including the seed and fertilizer boxes. Remove any remaining seeds and fertilizers. Wash the fertilizer tank with clean water, dry it, and apply anti-corrosive paint (except for plastic tanks).
2. Inspect the planter for any damaged or worn parts. Replace or repair as needed, and repaint any areas where the original paint has been lost.
3. For new planters equipped with disc openers, remove the openers and clean the outer cone, disc hub, and inner cone with diesel or gasoline. Apply grease and reinstall them. If deformed, flatten them. If the gap between cones is too large, adjust it by reducing the thickness of the adjustment pad.
4. Clean all soil-contacting parts, such as openers and leveling rakes, and apply grease or used oil to prevent rust.
5. Store the planter in a dry, well-ventilated area, such as a shed or warehouse. Avoid storing it outdoors. Ensure the frame is supported properly, and keep the openers and covering plates in contact. Do not let them touch the ground directly.
6. Remove and store rubber or plastic parts, such as seed tubes and fertilizer containers, in boxes or on shelves. Fill tubes with sand or straw to prevent deformation due to compression.
7. Loosen the pressure springs on the opener to keep them in a relaxed, free state.
8. Before the next planting season, inspect and test the planter after long-term storage to ensure it is in good working condition.
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