Optimizing the operation and maintenance process of the harvester is the key to improving harvesting efficiency and extending the service life of the machine. Here are some specific optimization measures:
Develop a scientific homework plan:Before starting work, it is necessary to inspect and understand the farmland that needs to be harvested, and flexibly choose the driving route of the combine harvester based on the shape and actual characteristics of the farmland, and clear or avoid larger obstacles in the farmland. A scientific driving route can effectively reduce the efficiency decline and grain leakage caused by agricultural machinery turning and turning.
Reasonably select homework parameters:Develop a reasonable operating speed based on factors such as planting density, moisture content, growth height, and expected yield of wheat in the field. Under normal circumstances, using the recommended operating speed by the manufacturer can meet the requirements, but when the planting density is too high, the yield is too high, or the crop humidity is too high, the operating speed should be appropriately reduced according to the situation. The cutting height should be determined according to the height of the wheat plant and the flatness of the plot, generally 10-15 centimeters is suitable. Under the condition of ensuring normal harvesting, the stubble should be lowered as much as possible but not less than 5 centimeters to avoid the cutting blade cutting into the soil and accelerating the wear of the cutter.
Pay attention to homework details:When doing homework, try to keep driving in a straight line. When turning, stop harvesting, raise the cutting platform, and use reverse turning or circular turning to make right angle turns. Do not turn while cutting to prevent missed cutting losses caused by the divider, walking wheels, or tracks crushing uncut wheat.
When the lodging is severe, harvesting Little King Kong reaper (hbniuboshi.com) should be done in the opposite direction of lodging, with the feeding teeth tilted back 15-30 degrees and the feeding wheel moved forward appropriately. A dedicated feeding device can be installed; When harvesting in the direction of lodging, tilt the plucking teeth back 15-30 degrees to enhance the support effect.
Regularly clean the machine:Open the inspection hole covers of various parts of the machine, remove all protective covers, clean the remaining debris in the drum chamber and the bridge conveyor chamber, remove the straw, weeds, and soil debris from the small shaking plate, cleaning chamber bottom shell, fan volute inside and outside, gearbox outside, cutting platform, driver's cab, engine exterior, and other parts .After cleaning, start the machine and let each working component run at high speed for 3-5 minutes to remove all residues. Then rinse the outside of the machine by hand and run it at high speed for 3-5 minutes to remove any remaining water.
Comprehensive lubrication and maintenance:Perform comprehensive lubrication according to the lubrication diagram, lubrication table, and diesel engine manual of the combine harvester, and then idle the diesel engine at medium and low throttle for 5-10 minutes.
Maintain the cutting blade, remove any dirt or residue attached to it, check for loose riveting of the blade, excessive wear, and deformation of the blade holder. If loose, promptly rivet it tightly. If excessive wear occurs, replace it. If the blade holder is deformed, correct it.
Inspect the threshing drum, replace the worn-out threshing teeth, and correct and repair the deformed teeth.
Inspection and fastening:Check if the fasteners are loose or detached, and promptly repair and tighten them.
Check the transmission chain, remove each transmission chain and clean it thoroughly, inspect each chain sleeve for any cracks or other qualitative changes, and replace it promptly if any problems are found. Maintain the drive belt, remove all drive belts, and check for any slipping, burns, aging, damage, or other issues caused by prolonged use. If any, replace them. The drive belt that can continue to be used should be cleaned, coated with talcum powder, repositioned, and adjusted according to requirements before harvesting next season.
Other maintenance measures:Clean the metal paint peeling areas on all surfaces of the machine and repaint them to prevent rusting. When the machine is not in use for a long time, the V-belt should be disassembled and placed in a cool and dry place to prevent the V-belt from coming into contact with corrosive substances such as acid, alkali, and oil. Before the machine is put into storage, the oil, water, and air in the machine should be drained completely before storage.
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