1. Strengthen body insulation 1 Tractors and other agricultural machinery should be parked as far as possible in the garage to prevent erosion and freezing by rain and snow. 2 start the engine to warm up in advance, by filling the cooling system with hot water of about 60 °C, stop for a while, release and then heat the water until the temperature reaches 40 °C or more to start; release the lubricant, insulation After the injection into the machine (note that the oil pan can not be directly heated with an open flame); short-term use of electric flame preheater and so on. 3 Cover the engine with insulation curtains and insulation sleeves. If necessary, use cardboard to block the wind. 4 Some engines equipped with organic oil radiators should be toggled to the "Winter" position so that the oil does not flow through the oil radiator. 2, to prevent the cracking machine 1 after the end of the operation, the throttle should be running a few minutes, the standby temperature has decreased and then turn off the flame and put the cooling water. Pay attention to not be able to operate with full throttle, full power, sudden flameout, and immediate release of water to prevent the body from cracking due to sudden cooling. When opening the water tank cover and all drain switches, be sure to drain the net. Not only in the winter, but also in the late autumn, early spring, and the cold wave, when the temperature may reach 5 °C or less, pay attention to the release of water. 2 In the cold season, antifreeze should be added to the cooling water. 3 Regularly release the water in the fuel tank to strictly prevent the water from mixing into the diesel oil to prevent the diesel from freezing. 4 Properly increase the proportion of battery electrolyte (to 1.28 ~ 1.31), use the method of charging to keep the battery in a fully charged state, so that the battery will not be too much loss due to low temperature capacitance and cracking battery shell. 3. Because diesel contains paraffin components, when the temperature drops to near the freezing point of diesel (above 7°C), there is a precipitation of paraffin and blockage of the oil circuit. Therefore, the freezing point of the selected diesel should be higher than the ambient minimum temperature of 5 °C ~ 10 °C, you can choose low freezing point, good fluidity 0,-10,-20 light diesel oil. For lubricants, on the basis of the lubrication system, use winter lubricants such as CA20 (original grade HC-8), CA30 (original grade HC-11), which are less viscous, or use thickened engine oil. It contains additives that increase the viscosity at high temperatures and lower the viscosity at low temperatures, and can improve the engine's low temperature start-up performance. In the transmission and rear axle, No. 20 gear oil is available. In the hydraulic system, No. 40 hydraulic oil can be selected. In order to reduce the viscosity of grease (commonly known as butter) and reduce the running resistance of the engine, a small number of greases should be used in winter. For example, No. 1 and No. 2 lithium grease. 4. Pay attention to road safety When the tractor is engaged in road transport operations, due to the freezing of the road surface, the attachment performance between the tractor's traveling device and the road surface is deteriorated, and the tires are prone to slipping and a traffic accident occurs. To this end: 1 To control the speed of the vehicle, do not exceed the speed and overload; Do not slip through the slope, and you should make full use of the drag of the engine. 2 When driving on icy and snowy roads, you should select the front wheel rim to avoid striking the steering wheel and emergency braking. Otherwise, the vehicle will easily cause a sideways slip and cause a car accident. 3 In order to prevent slippage, snow chains can be added to the drive wheels. 4 Carry tools such as triangular wood and shovels. Once the car is trapped, remove the floating soil immediately and do not slam the clutch.
Medical examination Nitrile Glove
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4.length:9''(24mm,+/-5mm);
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