Prior to the operation, the technical inspection of the machine tool should be carried out in accordance with the technical conditions for the inspection and appraisal of the factory product, and the test operation, adjustment, and maintenance should be carried out in accordance with the operating instructions. The technical status of the supporting tractor or corn combine harvester should be maintained. After the power is hooked up with the implement, conduct a thorough inspection.
1, universal joint installation. Must pay attention to three points: (1) It should be ensured that when the straw returning machine is working, the square shaft, sleeve and fork are not top dead and there is enough matching length; (2) The universal joint must be installed correctly, if the direction is wrong, then The sound will be generated; (3) The square shaft of the joint, the length of the square sleeve and the diameters of the main and the passive pulleys shall be different according to the size of the suspension mechanism of the tractor and the power output rotation speed, and the selection shall be made according to the instructions when purchasing and using.
2, the adjustment of equipment. When the field returning machine is connected with the tractor, the level of the returning machine, the level of the front and rear, and the height of the remaining work shall be adjusted. By adjusting the length of the main tie rod, the crew is kept horizontally. The length of the tie rod is adjusted so that the crew can maintain a horizontal position. According to the operational quality requirements and the status of the ground, the position of the hydraulic handle is determined, and the height of the stubble and the lifting height of the heading are controlled. .
(1) Horizontal adjustment. Adjust the tie rod so that the machine tool is horizontal. At the same time, adjust the lower end of the connecting shaft to the long hole so that it can float during operation.
(2) Level adjustment before and after. Adjust the middle lever so that the machine is horizontal before and after.
(3) Keep the height adjustment. The ground clearance of hammer claws or slings shall be adjusted as appropriate according to the degree of soil solidity, crop planting patterns and surface formation conditions. Raise the returning machine, loosen the fastening dowels on the lifting lugs on both sides of the drum, adjust it randomly in the upper and lower four holes, keep the height of the downward adjustment higher, and keep the height of the upper turn lower. After the adjustment, tighten the screws. It can also be adjusted by changing the lift lever, but the first method is best.
(4) Adjustment of the tension of the triangle belt. The belt is too loose to adjust the nut on the tensioner frame inward; the belt is tight and the nut is adjusted outwards.
(5) Gearbox clearance adjustment. After the straw is returned to the field for a period of time, the axial clearance of the driving shaft and the meshing clearance of the bevel gear are changed due to the wear, and adjustments can be made by adjusting the gasket by increasing or decreasing.
3. Before operation, check whether the components are in good condition, whether the fasteners are loosened, and add gear oil in the gear box. Generally, the oil surface height should be immersed in the oil surface by 1/3, and the lubrication parts must be filled. butter.
4. After the inspection is completed, empty operation shall be carried out for 5-10 minutes. After confirming that all parts are in good condition, operations can be carried out.
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