Maintenance Experience 1
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Decisively Collect 20 Years Of Maintenance Experience Of Old Drivers

  • In the past, the driver’s license of big cars also needed to be tested for maintenance experience, so now many car owners are also good at repair and maintenance experience. Today, let’s talk about a 20-year “old driver” maintenance experience.
Maintenance Experience
  • Driving on the road all year round, many car owners often stop, close the door, rest or sleep. But if you move more and look more, you can get unexpected results.
  • 1、 Direction of maintenance experience
  • We all know that other problems of the car can be ignored. We can’t joke about the direction and braking at all. The hydraulic system of the steering machine drives the horizontal and straight pull rod to make the steering wheel swing left and right. There is nothing we can do about the core part in the middle. 
  • However, some small places can be found by yourself, such as the ball joint (called in the South). If it is loose, it will cause the driving direction to be disobedient. It often has no effect in playing a little direction, or even serious. The ball joint pin falls off from the inside, causing serious consequences.
Maintenance Experience
  • In this way, you can check yourself, climb under the car, hold the pull rod with your hand, and shake the pull rod up and down along the direction of the ball pin lock nut. If there is a gap, it can be replaced immediately if conditions permit. If there is no way to remember for the time being, it can be replaced when conditions permit.
Maintenance Experience
  • In addition, if the direction machine is found to be issued occasionally during driving, and it’s OK later, don’t ignore this link. When conditions permit, we must find the repairman to remove the steering machine, dissect and find out the cause.
  • For directional tires, it is recommended to change the front steering wheel and move the front steering wheel tires to the back when the tires need to be replaced after half a year.
  • 2、 Adjust the brake of maintenance experience
Maintenance Experience
  • In general, 5000 kilometers in plain areas have to be transferred once, and 3000 kilometers in mountainous areas have to be transferred.
    method:
  • One small hammer, one open-ended or ring wrench (depending on the size of the brake adjusting arm screw) and one flat screwdriver.
  • If the car is empty, jack up the wheel with a jack, climb under the car, find the adjusting screw of the adjusting arm, remove the dust cover with a screwdriver, align the wrench with the hexagon, gently tap the wrench with a small hammer, and wait for the snap ring to enter.
Maintenance Experience
  • All the nuts are exposed, screw the screw, tighten the front wheel clockwise, and loosen it when the wheel can’t rotate. When loosening, you can hear the sound of “pop” and three sounds of loosening. Check whether the wheel is flexible. If it is not flexible, loosen it one more time. Note that the wheels on both sides are as loose as before.
Maintenance Experience
  • The rear wheel is the same as the above method, except that the tightening is counterclockwise and the loosening is clockwise. Remember, the dust cover can be covered only after the locking snap ring locks the nut.
  • 3、 Clutch of maintenance experience
Maintenance Experience
  • The adjustment of the clutch can not be ignored. The master cylinder pushes the hydraulic oil into the slave cylinder, and the slave cylinder then transmits the push rod to the pressure plate through the release bearing. After the pressure plate is stressed, it opens to separate the clutch plate from the flywheel and the pressure plate. During use, the clutch plate is slightly worn.When the part of the disc is 
  • worn off, the clutch will become very high. If it is not adjusted, it will cause slip, burn the disc, damage the release bearing, and even the whole vehicle may be paralyzed on the road. Therefore, it can be avoided by paying attention to it at ordinary times.method:
Maintenance Experience
  • In the process of use, the clutch is generally released less than half, and the car can move. If it is released more than half or all, it needs to be adjusted. At the lower left of the cab, find the push rod along the pedal. One end of the push rod is in the master cylinder, which can be ignored, and the other end has a screw rod with a nut on it.
  • Loosen the nut with a wrench, clamp and rotate the push rod with pliers, shorten it, and try the pedal by hand while adjusting. When the pedal feels heavy only after it has a free stroke of one centimeter, then tighten the small nut on the push rod.
  • 4、 Oil leakage of maintenance experience
  • For example, after parking for a period of time, a pile or a few drops of oil are found on the ground. At this time, you should pay attention to whether there is moisture or oil spots above your car by looking up at the oil leakage position on the ground.
Maintenance Experience
  • If yes, the source of oil leakage must be found out. If there is slight oil leakage in a cushion or joint, it can be ignored temporarily. Replace it when conditions permit or when you go home. If the joint leaks, tighten it with a wrench. If the oil pipe is broken, please try your best to replace it immediately.
    5、 Transmission part of maintenance experience
Maintenance Experience
  • If you hear the “buzzing” sound like a bee when driving at a speed of 60 or above, you should consider whether there is a problem with the transmission part. There are many transmission parts, including transmission shaft and its clamping screws, cross shaft, U-shaped iron of central hanger, hanger rubber pad, convex circle, convex fork, large nut of joint, etc.
  • Inspection method:
    No matter day or night, climb down the car with a flashlight and lift the transmission shaft up with your shoulder. If there is clearance, the bearing of the central hanger is worn or the joint nut is loose. This problem cannot be repaired by yourself, so you need to go to the repair shop.
Maintenance Experience
  • If the U-shaped iron fixing screw of the hanger is loose and the connecting screw of the transmission shaft is loose, you can tighten it yourself to prevent future problems. In addition, carefully check each component mentioned above to find out the problems.
  • summary:In a word, the car is owned by itself. Going to the repair shop for the workers to check may be just perfunctory. I usually check more when I am free, which will bring benefits without harm.
    Sometimes when we are in a traffic jam or waiting at a toll station, we take a flashlight, hold a small hammer, knock whether the tire is inflated, and take more photos of the chassis parts or engine with the flashlight, which can often avoid many unnecessary troubles and even economic losses.
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