How does the dry powder fire engine maintain?
Dry powder fire engines need regular maintenance to keep the vehicle in order. General drivers tend to maintain this matter is very big, because obviously know that the car does not maintain on the opening soon, but very painful for maintenance and pay bills. Normally, the oil is changed almost every 10 thousand kilometers or once a year. The brake oil is changed every two years, while the gear oil needs to be replaced longer. In addition to these 3 oils have relatively fixed mileage maintenance, what other clutch oil, power, direction, oil, water tank, water, etc., are as a supplement or replacement. The purpose of maintenance is to check, and the purpose of inspection is to prevent. In addition to the liquids mentioned above, there are some solid things to change on the bus, and the most frequent ones are spark plugs and air filters. In general, the platinum spark plugs are replaced about 100 thousand kilometers, while the air filter is usually replaced by 40 thousand kilometers. And then the timing belt and its idle wheel set, only the use of timing belt of the vehicle needs to be replaced, the timing chain design of the engine may be used scrapped, do not need to change. And timing belt replacement is normal maintenance of the most expensive one, but also millions of provinces. In fact, things will need to be replaced so little, because the real purpose of maintenance is not to replace these supplies, but to check whether the abnormal vehicle.
Many people have a wrong idea that maintenance is changing oil. But in fact, changing the oil has never been the focus of maintenance, the most routine. The main purpose of maintenance is to check and check whether the components on the vehicle have been damaged or need to be adjusted. These inspection actions will ensure the safety of your vehicle. There are a lot of items to check, mostly part of the engine, the outside of the car, and the chassis. Open the hood to check the water tank, oil tank, power steering gear, hydraulic oil, brake oil, wiper water, battery, belt, air filter, then to check the wiper, wiper washing nozzle, the whole car lights, then check the brakes and hand brakes, tires, transmission shaft, shock absorbers, various seal rubber buffer pad, and pay attention to the vehicle has no abnormal oil and various abnormal phenomena.
The oil and oil filters are always replaced by each maintenance. Before changing the oil, you should first take out the oil dipstick, check the oil consumption and viscosity, normal or not, before you can discharge the oil. Water tank in addition to pay attention to whether the normal water, but also pay attention to water color is normal. When the tank water is very dirty, the water tank must be recycled. Transmission oil is usually checked for oil, color, power, steering oil. In addition to replace the brake oil every two years, each maintenance should check the amount of oil and color, and a little when height decreased don't add, that is because the lining abrasion causes the brake pump out due to a new order sheet oil will rise.
There are two kinds of batteries used in fire engines, one is water free, and the other is traditional water type. Water free type usually depends on the check mark, the traditional water type battery should add pure water to full water level. Check the battery, usually with battery inspection machine to check, when the battery pressure drop is too long, on behalf of the battery aging needs to be replaced, the battery life is usually two years. Air filter core is generally 40 thousand kilometers a change, but each maintenance will be checked, so as not to damage occurred, but I do not know. Finally, check the exhaust pollution, which usually means that the engine is ok.
Chassis inspection is usually the hardest to do because there are no overhead brakes, brakes, and testing machines. The most important thing is to check the brake braking power, the general vehicle should be in the weight above 80%. The second is to check the thickness of the film so that the film thickness is less than 2mm, it should be replaced immediately. Tires should be checked for tire pressure, wear, tread and aging. Tread 1.6mm will be replaced immediately, eat when to check the fetal position, also need to replace aging tire tread very deep, even if is the same, because the tire due to exposure to ultraviolet radiation aging and loss of elasticity is usually recommended tire grip, not more than 4 years. Then there is to check the transmission and suspension system of the car, basically check whether there is any oil seal damage, whether there is abnormal oil leakage, etc..
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