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Wheat seeder use operation essentials and common troubleshooting
It is very important to operate wheat precision drills correctly and eliminate faults in time to maintain their good technical status, ensure the quality of wheat fine-seeding, and increase wheat production. Now we will introduce the use of wheat seed drills as well as the common troubleshooting methods as follows: 1 Use the operation essentials (1) Before the operation, perform a thorough inspection, maintenance, and adjustment of the wheat seed drill. After the test runs, the mechanical operations of the various departments are normal. Can be put into operation. (2) During the operation, after confirming the sowing plots and selecting the species to meet the agronomic requirements, adjust the accurate sowing amount, including the total amount and the sowing amount of each row, and determine the sowing depth. In the operation, it is necessary to pay attention to checking the accuracy of the seeding quantity at any time, and to solve the problem in time. (3) The tractor shall drive straight and operate at a constant speed. The maximum speed shall not exceed the specifications of the precision seeder performance indicator. During the operation, avoid parking as much as possible to prevent seed accumulation, ensuring accurate seeding and uniform particle spacing. Non-parking is not allowed. When starting a new one, we should connect the plants again before sowing. Adding seeds should stop at the land and do not wait for seeds to finish. (4) In operations, no reversal and sharp turn are allowed. When the land is empty, turns and retreats, the precision seeder must be raised. At the beginning of the operation, the precision seeder should be slowly dropped to avoid damaging the opener and plugging the seed inlet. (5) Always check the working conditions of the seed metering device, whether the seeding pipe is blocked, the depth of the opener, whether the plug is plugged, whether the cover is tight, whether the transmission is normal, etc., and find the problem in time. (6) When replacing wheat varieties, the seeds left by seed boxes, seed feeders, etc. must be thoroughly cleaned to prevent mixing of varieties. (7) Inspection and maintenance shall be carried out for each work shift. Clean the soil of the precision drilling machine, pay special attention to the removal of mud and weeds from the transmission mechanism, openers, etc.; check the firmness of each connection, and find that the loose parts must be solid in time and be lost; Spot oil. 2 Common troubleshooting methods (1) The overall 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. (2) The monomer metering device is not seeded. 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. (3) The amount of sowing is not uniform. 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. (4) The rate of broken seeds 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. (5) Insufficient sowing concentration. 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. (6) The opener is 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. (7) The 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.