maintenance methods of car headlights

  Car headlights are an important part of the car and an important lighting tool for driving at night. In daily use, car headlights also need regular maintenance, so as to maintain the brightness and life of the headlights. How to maintain the car headlights Woolen cloth?

  The headlights are installed on both sides of the head of the car and are used for lighting when driving at night. They are one of the important components to ensure the safe operation of the car.

  The farther the lighting distance of the headlights, the proper lighting angle, and the better the light distribution characteristics, the higher the safety performance of the car will be.

  Statistics show that 25% of the total mileage of vehicles is driven at night and under the condition of insufficient natural light, and driving accidents of personal injury in this situation account for 33% of the total number of traffic accidents, and 50% of fatal accidents Occurs at night. The headlight has two modes of high beam and low beam. The low beam is used in the city or when meeting cars. The high beam has a high angle of illumination, illuminates farther, and has a wide vision, which is suitable for use on roads outside the city. Reasonable use of headlights should be done: use low beams when meeting vehicles, and change high and low beams as a reminder when passing through intersections and overtaking.

  Car headlights Headlight maintenance items include:

  1. Check the tightness of the headlights

  If there is water vapor intrusion in the headlight, it will reduce the service life of the bulb, so attention should be paid to check the sealing of the headlight. If the sealing ring between the light distribution mirror and the reflector is found to be damaged, it should be replaced in time.

  2. Clean the reflector

  When the reflector of the semi-enclosed headlamp turns black and the luminosity decreases, it should be replaced. If there is only dust on the reflector, it can be blown off with compressed air instead of replacing it. For reflectors that cannot be blown clean, if the reflector coating material is chrome-plated, due to its high hardness, you can use deerskin dipped in absolute ethanol (above 95%) to gently wipe it in a spiral shape from the inside of the reflector outward. .

  If the reflector is silver-plated or aluminum-plated, due to its poor hardness, when cleaning, it can only be cleaned with clean cotton dipped in hot water, and must not be wiped to avoid damage to the reflector coating.

  Some mirror surfaces are pre-coated with a thin and transparent protective film, so be careful not to damage them when cleaning. If the reflector is often dirty, the rubber seal is damaged and must be replaced. After wiping or cleaning the reflector, be sure to dry it before reinstalling it, and pay attention to whether the installation position is correct.

  3. Clean the light bulb

  When there is dust on the halogen bulb, it can be scrubbed with absorbent cotton soaked in ethanol (90%). When scrubbing, be careful not to do it when the lights have just been turned off and the bulbs still have residual heat. After cleaning, it should be dried instead of wiped dry, and do not touch the bulb with hands or rags, and then turn on the power immediately, otherwise it will lose its luster and even cannot be restored.

  4. Adjust the beam irradiation direction

  During the driving process of the car, the beam irradiation direction will deviate due to the vibration of the vehicle body, so there is a special inspection of the irradiation direction of the headlights during the annual inspection. During regular maintenance, technicians can also be required to check and adjust the irradiation direction. Generally, the screen method is used to adjust, and care should be taken to ensure that the tire pressure reaches the standard value before inspection.

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