The initial driving period of a small four-wheel agricultural vehicle actually means the use of a four-wheel agricultural vehicle that was in the new vehicle phase or after a major overhaul period, within the prescribed driving mileage of the initial driving period. Under normal circumstances, the running-in period of small four-wheel agricultural vehicles is 1200 kilometers. When a small four-wheel agricultural vehicle is undergoing overhaul in a new car and after it has undergone major repairs, because the machined surface of the component has not yet been subjected to running-in, and there are some errors between the dimensions and the geometry at the time of processing, During the assembly of parts, there will be some deviations. When the parts are in operation, the contact surfaces between various parts will be rough, and at the same time, there will be tight fitting between parts. Friction surface unit pressure, poor lubrication conditions, high temperature and so on. Therefore, the small four-wheeled agricultural vehicle during the run-in period is in fact the process of performing wear-in processing on the surface that matches the friction of the parts, and can guarantee the transition from a small four-wheel agricultural vehicle to normal use. In the same way, the quality of the running of the vehicle is good or bad, and it will also have a big impact on the economic efficiency, reliability, and even the service life of the small four-wheeled agricultural vehicle.

1. The small four-wheel agricultural vehicles should not be driven on relatively poor road conditions during running-in, nor can they drive steep slopes, and must pay attention to reducing the impact and vibration on the vehicle parts and preventing their overload. .

2. When driving a small four-wheel agricultural vehicle in general, the maximum driving speed should not exceed 40 km/h per hour, and speed limit devices must not be removed.

3. When a small four-wheeled agricultural vehicle enters the running-in period, the vehicle's load must not exceed 80% of its rated value. The best way is to make it empty within a few tens of kilometers of the vehicle's initial use. Drive the car, and finally increase the load in step by step. And in the case of driving the vehicle under different load conditions, the gear to be switched must be step by step from low to high, each gear position needs to be run-in, and the frequently-used gear is more than necessary.

4. During the running-in period, small four-wheel agricultural vehicles should use oils with low viscosity, high cetane number, and good quality, so as to prevent the occurrence of knocking on the agricultural vehicle engine and improve each of them well. Lubrication conditions of the parts on the part.

5. If a small four-wheeled agricultural vehicle is running in when the temperature is relatively low, it must not be a cold start. It should be preheated to above 50 degrees Celsius and then started. During driving, the temperature of the vehicle's cooling water should always be in the range of 80 to 90 degrees Celsius.

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