If you have to conduct fixes to your Innoscooter EM 2500 L then it is usually recommended to have access to a Workshop Manual to keep just for a guide if you need to know techniques to take out a specific component including Brake Discs and fit it again successfully.
Innoscooter EM 2500 L Workshop Manuals will give unique diagnostic details for your vehicle therefore if something is playing up it helps you figure out what the problem is and how to correct it. You will be able to assess if you can do this by yourself or if the job is just too big you can actually book your EM 2500 L right into a suitable car garage.
Innoscooter EM 2500 L manual