1、 The key to do a good job of seasonal health care is to use winter oil and fat. The engine, transmission, differential and steering mechanism of the mixer should be replaced with special lubricating oil in winter (the oil level of the engine should not exceed the normal range or lower than the minimum limit); the hub bearing of the mixer should be replaced with low freezing point grease; the diesel engine should be replaced with timely winter diesel oil in advance to prevent cold weather and freezing of diesel.
2、 Check the level and concentration of the battery in the mixer. In order to keep the battery warm and charge, the electrolyte should be kept in a certain proportion and in a good state of sufficient electricity in winter, and the electrolyte should be replenished or the battery should be renewed in time. Clean and check the fuse box, replace the hidden fuse in time, keep the fuse box clean and avoid the vehicle breaking down due to fuse problem in winter.
3、 Check and replace the spark plug of mixer. Winter ignition is easy to have problems, low temperature, low ignition energy, it is best to replace the multipole spark plug, the price is not expensive, good ignition, high energy. Check and replace the wiper blade and the glass water in winter. The most simple and convenient way is to add appropriate proportion of alcohol in glass water, which can not only reduce the freezing point but also resist freezing.
4、 Check the free stroke of the mixer clutch. Frequently step on the clutch, after long-term use in summer, the appropriate free travel should be adjusted to keep the road sliding and clutch more accurate in winter; the brake fluid of mixer truck must be kept in normal range, the tightness of hand brake should be adjusted, the four-wheel positioning should be done, and the braking system should be checked to keep the four-wheel braking basically consistent, so as to prevent the mixing truck from running off.
5、 Check the tires and air pressure of the mixer frequently. In winter, the friction coefficient of the road surface is low, and the tire pressure of the mixer should not be too high or too low (the external temperature is low, the tire is brittle and the pressure is low, and the flexible tire will accelerate the tire aging). In order to ensure the safety and reduce the wear, the tire should be rotated regularly; the seriously worn and aged tire should be updated in time.
6、 The purpose of replacing the oil filter is to reduce the influence of impurities and moisture in the oil (it is easier to adhere to the parts in winter) on the oil circuit; to check, clean and replace the filter element of the air filter of the mixer truck, reduce the suction resistance of the engine of the mixer, increase the air intake of the mixture, reduce the fuel consumption and improve the power.
7、 Change the antifreeze in the engine water tank of the mixer. If it is a long-term, four-year universal type, it can be replaced once every two years, but the concentration and quantity should be checked in time. When it is necessary to replace the antifreeze, drain the old liquid, idle the engine for a few seconds, and then inject new antifreeze. According to industry insiders, the freezing point of antifreeze for mixer trucks should be about 10 degrees lower than the minimum temperature in the region; in cold periods, it should be replaced with antifreeze (or diesel) below - 30 degrees; and the brake oil must be changed every 20000 to 40000 kilometers.
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