The whole seed meter does not seed. There is no seed in the seed box; the transmission mechanism does not work; the drive wheel pulley does not rotate. Seeds should be added; overhaul and adjustment of the transmission mechanism; exclusion of drive wheel slip factors.
Seed metering device does not seed. Due to the seed wheel clamp, the key pin is loosened and does not rotate; the round seed tube or the following kind of mouth is blocked. The seed wheel should be re-strengthened; check the seeding tube and the seed inlet and clear the plug.
Sowage is uneven. Due to the large change in working speed; serious scratching of the tongue and tongue; loosening of the outer groove wheel stop hoop, the working length changes. The speed of the work should be kept constant; replace the scratch tongue; adjust the working length of the outer sheave, and fix the clamp.
The seed broken rate is high. Because of the fast operation speed, the transmission speed is high; the seeding device is damaged; the size and shape of the seed wheel are not adapted; the tongue scraping is too close to the seed wheel. The speed of operation should be reduced and uniform speed should be maintained; the sowing device should be replaced; the appropriate seed wheel (disc) should be replaced; and the distance between the scraping tongue and the seed wheel should be adjusted.
Sowing concentration is not enough. Due to the lack of pressure of the grooved spring, the opener rod is deformed, and the earthing angle becomes smaller. The spring should be tightened to increase the opener pressure; the opener puller should be calibrated to increase the angle of entry.
Opener blocked. Because the precision seeder fell too fast; the soil was too wet; the opener was reloaded after entering the soil. Stop the opener to clean the soil; timely sowing; reversing is prohibited during operation.
Cover soil is not tight. Due to the improper angle of the soil cover plate; lack of opener spring pressure; soil too hard, should adjust the angle of the cover soil, tighten the spring to increase the opener pressure; increase precision seeder counterweight.
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