Which kinds of maintenance can be done by oneself?
1. Replace the air conditioning filter and air filter
2. Replace the spark plug
3. Battery
4. Brake pads, brake discs, handbrake pads
Most maintenance supplies and tools can be purchased on Taobao, but it is important to pay attention to safety standards during operation to ensure personal safety.
Motor oil selection:
Viscosity and grade are two main criteria for evaluating motor oil quality.
SAE uses a viscosity grade classification method. Car owners can choose motor oil based on the environmental temperature of their vehicle's operating region, such as SAE15W-40, 10W-40, 5W-50. The number before the W indicates low-temperature viscosity; the smaller the number, the better the cold-start capability of the engine. The number after the W is the indicator of oil's high-temperature resistance.
API uses an oil quality grade evaluation standard, dividing oil into two major categories: gasoline engines and diesel engines. Gasoline engine oil is represented by "S" followed by an English letter. The later the letter in the alphabet, the higher the quality of the oil. Oil selection should be based on the standards provided in the vehicle manual to choose the appropriate viscosity of oil; while selecting oil grade, only products that meet or exceed the standard should be chosen. If the low-temperature viscosity of the oil is too high, it may cause difficulty in cold starting the engine, increase operational resistance, and increase fuel consumption. Higher-grade oil can better withstand severe engine conditions and provide better protection for engine friction components.
Coolant Selection:
The normal operating temperature of an engine is usually between 90-120 degrees Celsius. Here are some cooling liquid temperature data during vehicle operation: Santana at 90-105, Jetta at 85-115, Fukan at 90-118. If distilled water were used entirely as coolant, when the engine temperature reaches 100 degrees Celsius, it would "boil over." Moreover, pure water as a coolant could prevent vehicles from starting in temperatures below zero due to coolant freezing. Additionally, water is corrosive and can produce scale affecting cooling efficiency. Therefore, a special cooling medium, specifically designed for engines, must be used. Common engine coolants available on the market mainly consist of ethylene glycol, which lowers the freezing point and raises the boiling point of the coolant. When choosing engine coolant, we primarily focus on its freezing point and select an appropriate model based on local weather conditions. The freezing point temperature is usually noted on the coolant container.
Special-purpose vehicles typically refer to vehicles that differ significantly from basic models or have been specially modified to transport goods or people, or to perform specific tasks.
Special-purpose vehicles are divided into: box-type vehicles, tank-type vehicles, special-purpose dump trucks, cage-type vehicles, lifting vehicles, and special structure vehicles.
Box-type vehicles: Equipped with specialized equipment, they have independent closed-structure compartments (which may be integrated with the cab). These vehicles can be further categorized into communication vehicles, living quarters vehicles, police vehicles, training vehicles, prisoner transport vehicles, cash-in-transit vehicles, disabled transportation vehicles, refrigerated vehicles, postal vehicles, ambulances, inspection vehicles, power command vehicles, and meal delivery vehicles.
Tank-type vehicles: Equipped with tank containers, they are used to transport goods or complete specific tasks. These include landscaping sprinkler vehicles, liquefied gas transport vehicles, asphalt transport vehicles, oil tankers, milk transport vehicles, radioactive material tank transport vehicles, waste suction vehicles, refueling vehicles, cryogenic liquid transport vehicles, water tanker fire trucks, etc.
Special-purpose dump trucks: Equipped with hydraulic lifting mechanisms, they can unload the cargo box (tank) or tilt it at a certain angle so that the goods can be unloaded by gravity or pushed horizontally. They include sludge self-loading vehicles, cotton transport vehicles, side-arm dump vehicles, detachable cargo box vehicles, box-type dump vehicles, compression garbage vehicles, dump-type garbage vehicles, bulk grain transport vehicles, bulk seed transport vehicles, bulk feed transport vehicles, etc.
Cage-type vehicles: Equipped with specialized installations, they feature cage-like or fence-like structures. Examples include livestock transport vehicles, bottled beverage transport vehicles, beekeeping vehicles, and drum garbage transport vehicles.
Lifting vehicles: Equipped with lifting devices or elevating work platforms (buckets). These include aviation food transport vehicles, truck-mounted cranes, aerial work platforms, aircraft cleaning vehicles, aerial platform fire trucks, bridge inspection vehicles, metrology inspection vehicles, etc.
Special structure vehicles: Equipped with specialized installations and featuring various unique structures, they are used for special transport or specific operations. Examples include container transport vehicles, vehicle transport vehicles, timber transport vehicles, slag transport vehicles, sand transport vehicles, street sweepers, snowplows, road maintenance vehicles, concrete pump vehicles, etc.
The above content is jointly released by the Official Website of Sanitation Garbage Trucks (http://www.clwlu.com/) | www_clwlu_com and Garbage Truck Manufacturer (http://www.clwwcw.com/) | www_clwwcw_com. For more exciting content, visit the links provided.