If you have to accomplish adjustments on your Jincheng Dax 50 then it is usually a good plan to own a Workshop Manual to use as personal reference in case that you need to know how you can remove a certain part much like the Brake Pads and fit it again safely.
Jincheng Dax 50 Workshop Manuals are able to offer targeted diagnostic wisdom for your vehicle therefore if something is faulty it helps you figure out what the issue is and the best way to fix it. You can then decide if you can do this yourself or that the job is too big you could make a booking for your Dax 50 right into a suitable garage.
Jincheng Dax 50 manual