How to change the valve of electric vehicle?

1. Pump the air first, and check the aging degree of the air valve (if the air intake of the electric vehicle is slow during pumping, it means that it should be replaced).

2. Loosen the air nozzle of the electric vehicle with an air needle to release the air of the electric vehicle (be careful not to use brute force).

3. Then, use a pneumatic wrench to release the residual air inside the tire, because there is air inside, which brings certain difficulties to disassembly (pay attention to the motor wire, and don't break it or wear it out).

4. Because the bead of the vacuum tire is too tight, it is easy to pry the bead with a hard pry, which affects the tightness between the tire and the bead and is easy to "leak". It is much easier to pry the tire down slowly and repeatedly according to the circle of the circumference. It is best to pry it on both sides to let the tire leave the rim, and then pry the tire, which is not easy to damage the ring.

5. Check whether the tire mouth is aging and cracked. If it is aging, please replace it. Because some vacuum tires have different design patterns, the direction of the arrow is different, so don't install them backwards.

It is much easier to install a new tire than to disassemble it. First, pry one bead down gently along the circle, then install it in place according to the circle, and then pry the other bead down. When the other tire opening is almost installed in place, it will increase the "strength" and it will be much easier to push it without a hard pry.

7. Inflating: Some vacuum tires have a slightly loose opening, which is easy to leak from the ring when inflating. When inflating, adjust the tire mouth and the ring mouth as seamlessly as possible by hand. It is best to remove the valve core and inflate, so that the tire mouth can be inflated in place and the air pressure is controlled at 300-380kpa!