The generator is an important part of the LED advertising truck , and it is the power supply system of the whole truck. Except for the fixed-point parking of our advertising vehicles and plugging in an external power cord for playback, our generators are needed for power supply at other times. Therefore, in order to do a good job in advertising, we must pay special attention to the maintenance of our advertising truck generators. So how do we maintain our LED advertising truck generator? First of all, we have to regularly check the generator of our advertising truck, especially the inspection of the generator oil, and change the oil frequently. Take out the oil dipstick 20 minutes after it is not started or shut down, wipe the oil dipstick with a clean rag or paper towel, reinsert it into the oil hole for 10 seconds, and then take it out to ensure that the oil reaches the middle and upper parts of the lower and upper marks on the oil dipstick. Secondly, we need ...