Drainage maintenance of catering oil-water separator: 1, and drainage should be timely. Take a look at the oil-water separator during routine maintenance every day. If there is too much water in it or it exceeds the warning line, it should be drained in time.

2. Drainage is regular. First of all, after the fuel consumption, the water in the oil-water separator needs to be released in time at this moment. Secondly, after replacing the fuel filter, the water in the oil-water separator should be drained in time.

3. Don't forget the oil after drinking. When the water in the oil-water separator is drained, be sure to remember the filling operation of the fuel injection pump until the fuel injection pump is full.