When installing the battery on the car, firstly connect the fire wire, then connect the two batteries, and finally install the ground wire. In this way, it can prevent the battery from exploding due to sparks caused by the wrench being connected to the iron.
When removing the battery from the vehicle, follow the opposite steps, that is, remove the iron wire first.
Vaseline should be applied between the connecting pile and the chuck, as well as on the threads of the bolts and nuts, to prevent oxidation and rust, and facilitate subsequent disassembly.
If the electric pile is small and the chuck is large, when metal skin is needed, lead or copper should be used, and only half a circle should be used to prevent oxidation of the electric pile and poor contact.
When disassembling, do not hammer the pliers to prevent the dust on the pole plate from falling off, the welding will break off, and the battery will be damaged.
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