1. The clutch is not used correctly. The correct operation method is to gradually increase the throttle, and gradually raise the clutch pedal, so that the clutch is smoothly integrated, the locomotive starts steadily, if the driver slams the clutch pedal at the start, the engine suddenly increases the impact load, it is easy to damage the parts, Reduce tool life.
2. Do not change gears in time according to load changes and road conditions. The high-speed overload of the tractor causes the engine to emit black smoke, the road is uneven, high-speed driving, bumps are increased, parts are easily damaged, and the service life is shortened.
3, overloaded shipments. It is a common practice for current operators to damage the locomotives and make them unsafe.
4, not according to operating procedures start and start. Some operators started immediately after starting the engine and put the load into operation. This is wrong. According to the requirements, the tractor should be parked in the evening and the crankshaft should be cranked 3~5 turns before the start of the next day. Especially in winter, the temperature is low, and the parts are not well lubricated. The engine should be rotated several more revolutions before start to make the parts rub each other. Change from static state to dynamic state, and then start the engine after being lubricated. After the engine is started, the water temperature can rise to 40°C before starting, and 60°C can be put into the load operation. This can reduce the wear of parts and prolong the service life of the machine.
Second, strengthen maintenance.
1, the importance of technical maintenance. Technical maintenance is to carry out a systematic inspection of the various parts of the machine, adding fuel oil and lubricating oil and cooling water, cleaning the oil sludge soil of various departments, fastening the screws of each department, adjusting the clearances of various parts, and replacing some parts with serious wear and damage, so that the equipment can be maintained well. The state of the technology. Its importance is as follows:
1 Good technical maintenance can ensure good technical condition.
During the work of the various parts of the machine, due to friction and vibration of the operation, the load changes, the consumption of fuel, lubricant, and cooling water inevitably occurs. The filters of the fuel oil and the engine oil are contaminated, and the loose screws of the various parts are loosened when the clearance changes. Some of the parts are heavily worn or damaged, which deteriorates their technical state, reduces their power, deteriorates their quality, and increases their consumption. Through technical maintenance, as well as inspection, cleaning, fastening, adding, lubricating, adjusting, and replacement of worn and damaged parts of the various parts of the machine, it is often maintained in good technical condition to achieve high efficiency, low consumption, high quality and safe production of agricultural machinery. The request.
2 Doing technical maintenance can extend the service life of the machine.
2. The types and main contents of technical maintenance. Technical maintenance mainly includes special maintenance, shift maintenance and regular maintenance.
Special maintenance includes parking and storage maintenance, seasonal maintenance and trial run-in maintenance. The following describes the main contents of parking and seasonal maintenance.
Stopping storage and maintenance means stopping the storage of the storage equipment for a longer period of time. The main maintenance contents are as follows: Remove the dirt, oil, fuel, and cooling water from the machine and park the machine in the storage shed. If there is no storage shed, open the parking area to a high-level, dry, flat place. If it is a track-type tractor, the track should be loosened and planked; if it is a wheeled tractor, the axle should be lifted to lift the tire off the ground. Exhaust pipes and other holes plugged with cork to prevent entering the rain.
Lubricate and maintain the parts and fill the cylinder with a proper amount of clean oil. Shake the crankshaft several times. This maintenance is performed once every month during the storage period.
Remove the easily damaged parts such as batteries, generators, magnetic motors, electric starters, and fan belts and store them in the room. If the batteries are stored for a long time, pay attention to anti-freezing and supplementary charging.
Seasonal maintenance, that is, maintenance during the winter and summer season. The temperature is bounded by 0°C, summer above 0°C, and winter below 0°C. Seasonal maintenance In addition to doing a normal maintenance program, you need to do the following:
1. Clean the lubrication system and replace the appropriate oil.
2. Clean the gearbox and rear axle and replace the gear oil.
3, the maintenance of the cooling system. After entering the winter, the cooling system must be cleaned, scale removed, and thermal insulation equipment installed. Water is heated before winter starts. Cool the water after parking at night to avoid freezing the body and cylinder head.
4, fuel system maintenance. Various parts of the fuel supply system such as diesel filters and fuel tanks are cleaned. Different grades of diesel are used depending on the temperature. The condensation point of diesel oil should be 5~10°C lower than the local temperature. If the temperature is 0°C, the best choice is 10# diesel oil. Winter refueling should prevent seepage of ice water to prevent blockage of the oil circuit.
To sum up, when farmers need to manage and use tractors and farm implements correctly, they must be able to operate correctly, be proficient in operating techniques, constantly inspect, repair, and maintain locomotives to maintain a good technical condition so as to ensure safety and improve production. .
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Tab. 0.2g 0.4g Injection 200mg/2ml |
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| Simvastatin | Film-coate Tab. 10mg; 20mg | 10x10`s/Box |
| Tirofiban | Injection 12.5mg/50ml | 1`s/Box |
| Valsantan | Tablet 80mg | 10x10`s/Box |
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