Cold Warm Cold Wave Struck The Five Car Note
Recently, the cold wave attack most of the country
, the sudden decrease in temperature Travel Had a great impact, but car itself, timely replacement of Antifreeze Check the electrical equipment is very important, including what projects:
Replacement of oil (1) the use of low freezing point, and good fuel flow. Increase in fuel viscosity at low temperatures, mobility variation, poor atomization of fuel in the combustion process tends to deteriorate, engine start, power, economy decreased, therefore, should be used under conditions of low freezing point fuel. General selection principle is that the fuel freezing point lower than the ambient temperature is about 5 .
(2) change the oil. Use a smaller engine oil viscosity at low temperature conditions, the engine oil viscosity decreased with the increase of temperature, mobility variation, should be promptly replaced by the smaller oil viscosity to compensate for or eliminate such adverse effects.
(3) replacement of the winter with a variety of lubricants and greases. Into the winter, should transmission, final drive, steering and other lubricants for use in winter, wheel bearing grease for a low drop point.
Maintenance of the engine cooling system
(1) check the thermostat working conditions, ensure thermostat works well to prevent the engine water temperature is too low or too high. If the engine is running constantly at a low temperature would lead to increased mechanical wear.
(2) Clear Water Jackets scale. Cleaning the engine water jacket to remove the internal scale, to prevent excessive accumulation of scale, affecting the engine temperature is too high heat and allow the plane, such as the discharge switch jamming would result in no net Drainage.
(3) filling antifreeze. Low temperature conditions in which they permit, use antifreeze in the cooling system before use should be thoroughly cleaned, and should choose a good quality, low-corrosive antifreeze, antifreeze transfer times and avoid the phenomenon of corrosion of parts occurred.
Maintenance of electrical equipment (1) examine and adjust the electrolyte density. May be appropriate to increase the electrolyte density, prevent the electrolyte density is too low, while the cracking battery case of accidents occurring.
(2) to increase the charging voltage generator. As the battery charge capacity increases at low temperature, therefore charging generator capacity must be increased to increase the regulator may limit the appropriate voltage regulator under normal circumstances the limit in winter than in summer when the high voltage 0.6V appropriate.
(3) maintenance start the motor. Difficulty in starting the engine in winter, the number of frequent use of the motor start, start the machine if the power shortage will further increase the difficulty of the engine start. Practice shows that in the summer, start the machine if a little slightly insufficient power failure, start the engine may be very smooth, but in winter it would be very difficult to start, can not even start. Therefore, start the machine should carry out a thorough maintenance, start the machine to keep ministries clean, dry, especially between brush and commutator should be a good contact.
(4) strengthen the battery insulation. To prevent the battery from freezing cold and the impact of start-up performance, the winter can make a sandwich insulation battery battery box, to improve the battery's temperature.
Adjustments to the fuel system and ignition system
Winter carburetor float chamber can be properly increased height and adjust the speed oil pump plane trip, so that the mixture needs to adapt to low temperature work. In order to facilitate low temperature start, should increase the circuit breaker contact closing point, contact gap adjustment for the 0.30-0.40mm, in order to increase spark intensity.
Maintenance Preheater
On with engine preheating device (mostly diesel), before the winter should be a warm and equipment inspection and maintenance, to ensure that technology is good. Maintenance of a key check circuit and circuit, to prevent bad work by preheating unit affected the start of the engine.
by: stefasuan
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