How to maintain the combine harvester?
2019-04-29 11:04:18
The objects of the combine harvester are mud, water, and crops, and face the harsh working conditions of exposure to sunlight and rain. Objectively, the long-term infiltration of mud, water, and dust causes damage to the machine's technical state. Technical maintenance eliminates these adverse effects. To restore the technical state of the equipment, delay wear, increase service life, and improve economic efficiency.
First, daily technical maintenance Daily technical maintenance is divided into pre-class, mid-class and post-class maintenance, in which pre-class and class maintenance focus on checking lubrication and necessary adjustments, and after-class maintenance focuses on ensuring good machines. State of the art to prepare for the work of the new day. The main contents of the maintenance before the class; check the oil and water storage of the fuel tank and tank, and supplement it when it is insufficient. Lubricate the lubrication points according to the nameplate of the machine, check the tension of each belt and chain, and perform proper tensioning.
The maintenance in the class is usually about 4 hours in operation. The use of key work components is checked during the break at noon to remove the weeds and weeds. Attention is paid to the heat generation of each bearing, and the important lubrication points are filled with lubricating oil.
After-class maintenance is the harvesting operation at the end of the day. Each working part is continuously loaded for about 8 hours and a comprehensive maintenance is performed:
1. Clean the cleats, rags, and soil and other attachments on the working parts of the machine. Such as the cutter on the grass, the knife drive the eccentric shaft of the wrapped grass, the dust on the radiator, the residue on the screen surface, the residual stalk in the gap between the two sides of the drum concave plate, drive wheel, roller and axle The attached mud should be completely removed.
2. Check the tightening of the working parts, the normal position of each bearing, and tighten the loose parts.
3. Replace the severely worn triangle belt and chain links.
4. Carefully check the flexibility and accuracy of joystick operation and identify brake and left and right braking conditions.
5. The hydraulic lifting system is used to check the oil level of the tank, the leakage of the pipeline, and the sealing condition.
6. Clean the air filter's protective net and filter element, clean it if necessary, and wait until it is dry to reload the oil.
7. Check the gearbox, fuel pump, add oil in time, dredge the fuel tank cap air vent, and clean the fuel filter. 8. Fully lubricate the lubrication points.
Second, seasonal technical maintenance Each summer and autumn after the completion of the harvest period, the harvester must be carried out before the seasonal maintenance, otherwise not allowed storage, seasonal maintenance should follow the following procedures;
1. Thoroughly remove the mud, grass, dust and other attachments on the machine, and drain the residual grains of horizontal and vertical augers, grain containers, and intermediate conveying devices at the interface.
2. Relax all conveyor belts, chains and springs, and tension and relax. The chain and spring are lubricated and the belt needs to be washed with soapy water and then wiped and stored.
3. Each filter is cleaned, including a heat sink. Check gearbox oil, hydraulic oil tank, and replace as appropriate.
4. Check the running clutch and main clutch friction linings, separate the bearings, and adjust and replace them as appropriate.
5. The bearing can be removed from each spherical bearing and grease can be added from the small hole.
6. Remove the battery power cord, pour out the battery fluid, and repeatedly rinse the battery and zinc plate with distilled water, and wait until it is dry and seal it.
7. The clean cutter and sprocket should be coated with anti-rust oil to prevent corrosion.
8. Check the damage of parts of each working part, and repair or replace it as appropriate.
9. Fully lubricate each moving part.
3. In addition, the annual pure storage operation of the combine harvester takes about 2 months. In addition, more than 10 months are the time for the storage and storage of the combine harvester. It is directly related to whether the technical state of the machine is declining and the use performance is declining. Therefore, both users and management departments must pay attention to safekeeping.
The structural features of the combine harvester are mainly sheet metal structural parts that are easily deformed and corroded. Ventilated, dry indoor storage should be selected. Catches must not come in contact with gasoline, engine oil, etc., and are prohibited from placing in the open air. Observe the following procedures:
1. The maintenance after the harvest season must be completed before storage.
2. Relax all drive belts and sprockets, springs.
3. The header is lowered to the lowest position and the underneath timber is lowered. After the crawler is relaxed, it is best to place two planks underneath.
4. Remove the battery.
5. Apply anti-corrosion oil to the cutter and sprocket.
6. During the storage process, the hydraulically controlled cutting and distribution cutting are pulled 15 times at each working position, and the engine crankshaft is rotated several times to relubricate the piston and cylinder.
7. Cover the tarpaulin to prevent dust and debris from entering.
First, daily technical maintenance Daily technical maintenance is divided into pre-class, mid-class and post-class maintenance, in which pre-class and class maintenance focus on checking lubrication and necessary adjustments, and after-class maintenance focuses on ensuring good machines. State of the art to prepare for the work of the new day. The main contents of the maintenance before the class; check the oil and water storage of the fuel tank and tank, and supplement it when it is insufficient. Lubricate the lubrication points according to the nameplate of the machine, check the tension of each belt and chain, and perform proper tensioning.
The maintenance in the class is usually about 4 hours in operation. The use of key work components is checked during the break at noon to remove the weeds and weeds. Attention is paid to the heat generation of each bearing, and the important lubrication points are filled with lubricating oil.
After-class maintenance is the harvesting operation at the end of the day. Each working part is continuously loaded for about 8 hours and a comprehensive maintenance is performed:
1. Clean the cleats, rags, and soil and other attachments on the working parts of the machine. Such as the cutter on the grass, the knife drive the eccentric shaft of the wrapped grass, the dust on the radiator, the residue on the screen surface, the residual stalk in the gap between the two sides of the drum concave plate, drive wheel, roller and axle The attached mud should be completely removed.
2. Check the tightening of the working parts, the normal position of each bearing, and tighten the loose parts.
3. Replace the severely worn triangle belt and chain links.
4. Carefully check the flexibility and accuracy of joystick operation and identify brake and left and right braking conditions.
5. The hydraulic lifting system is used to check the oil level of the tank, the leakage of the pipeline, and the sealing condition.
6. Clean the air filter's protective net and filter element, clean it if necessary, and wait until it is dry to reload the oil.
7. Check the gearbox, fuel pump, add oil in time, dredge the fuel tank cap air vent, and clean the fuel filter. 8. Fully lubricate the lubrication points.
Second, seasonal technical maintenance Each summer and autumn after the completion of the harvest period, the harvester must be carried out before the seasonal maintenance, otherwise not allowed storage, seasonal maintenance should follow the following procedures;
1. Thoroughly remove the mud, grass, dust and other attachments on the machine, and drain the residual grains of horizontal and vertical augers, grain containers, and intermediate conveying devices at the interface.
2. Relax all conveyor belts, chains and springs, and tension and relax. The chain and spring are lubricated and the belt needs to be washed with soapy water and then wiped and stored.
3. Each filter is cleaned, including a heat sink. Check gearbox oil, hydraulic oil tank, and replace as appropriate.
4. Check the running clutch and main clutch friction linings, separate the bearings, and adjust and replace them as appropriate.
5. The bearing can be removed from each spherical bearing and grease can be added from the small hole.
6. Remove the battery power cord, pour out the battery fluid, and repeatedly rinse the battery and zinc plate with distilled water, and wait until it is dry and seal it.
7. The clean cutter and sprocket should be coated with anti-rust oil to prevent corrosion.
8. Check the damage of parts of each working part, and repair or replace it as appropriate.
9. Fully lubricate each moving part.
3. In addition, the annual pure storage operation of the combine harvester takes about 2 months. In addition, more than 10 months are the time for the storage and storage of the combine harvester. It is directly related to whether the technical state of the machine is declining and the use performance is declining. Therefore, both users and management departments must pay attention to safekeeping.
The structural features of the combine harvester are mainly sheet metal structural parts that are easily deformed and corroded. Ventilated, dry indoor storage should be selected. Catches must not come in contact with gasoline, engine oil, etc., and are prohibited from placing in the open air. Observe the following procedures:
1. The maintenance after the harvest season must be completed before storage.
2. Relax all drive belts and sprockets, springs.
3. The header is lowered to the lowest position and the underneath timber is lowered. After the crawler is relaxed, it is best to place two planks underneath.
4. Remove the battery.
5. Apply anti-corrosion oil to the cutter and sprocket.
6. During the storage process, the hydraulically controlled cutting and distribution cutting are pulled 15 times at each working position, and the engine crankshaft is rotated several times to relubricate the piston and cylinder.
7. Cover the tarpaulin to prevent dust and debris from entering.
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