Many people think that the maintenance of the chassis is dispensable, this idea is wrong, and the proper maintenance of the chassis can directly extend the service life of special vehicles!
So how do you need to maintain the chassis?
1. Chassis maintenance Tire is the key If the tire bursts during a high-speed driving, it will cause a major accident. When the tire bursts, it will tilt, shake, and roll over. Even if there is no accident, it is definitely not a pleasant thing to park tires on the street. Therefore, it is necessary to check the condition of the tire before each trip.
The first thing to check is that the inflation pressure of the tire is too high, and the tire is prone to bursting, especially in the summer; while the pressure is too low, the resistance of special vehicles increases, and the fuel consumption increases accordingly. Therefore, the specification of the special vehicle's manual indicates that the air pressures specified by the front and rear tires are different. For the convenience of the user, the nameplate on the door post of each car driver is clearly marked. Of course, it is sometimes necessary to adjust the situation as appropriate. For example, when the road is slippery and the weather is hot, the pressure is lower. (Subheadings) Always check that the tread of a tire is always running under poor road conditions. It is necessary to diligently inspect the tire tread for sharp nails, stones, broken glass, etc. to avoid stabbing the tire. Tire patterns on the tire wear to a certain extent, you need to replace the tires in a timely manner. Usually when the pattern wears to only 1.5 to 2 mm, a specific mark appears on the tire. Different grades have different tire marks, but they are described in the manual. At this time, the tires will have to be replaced.
Change the front and rear tires after driving a certain distance. According to the manufacturer's regulations, after driving to a certain mileage, the front and rear tires will be exchanged. Because the weights of the two are not equal, the wear is not equal, so that it can be used to extend the service life of the tire. However, it should be noted that the replacement of radial tires and bias tires is different. The former is a straight line before and after the exchange, the latter is a horizontal 8 word replacement.
Modern car has basically used tubeless tires, even if inserting a nail is not a big problem, it has a self-closing function. Tubes with inner tubes leak immediately. When tubeless tires are used, the requirements for the rims are high, and the rolled steel rims cannot, and the precision cannot be achieved. Therefore, the machined aluminum alloy rims must be used. However, the hardness of aluminum alloy rims is low, and special replacement machines must be used when tires are replaced. The use of steel rods can damage the rims.
2, timely check the oil condition of each important assembly here includes the transmission, brake system power steering system, on the one hand, in strict accordance with the time specification on the instructions, regular to the special maintenance service station to add or replace, on the other hand also have to Check the observation, usually when the special car refueling inspection by the way, look at the various tanks of oil is between the upper and lower tick marks, if it is lower than the next tick line must be added in time, if the oil level drop more Fast, indicating that the system is leaking, it is necessary to immediately check the leakage area and repair it in time.
One thing to note here is that the added oil must be of the same specification as the original one, so as not to cause chemical reactions caused by the mixture of different oils, but to degenerate the engine oil.
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