If you have to execute maintenance on your Sachs Dirty Devil 50 then it is usually a good idea to have access to a Workshop Manual to use as personal reference should you need to know tips on how to take off a particular part for example Brake Pads and fit it again successfully.
Sachs Dirty Devil 50 Workshop Manuals gives you distinct diagnostic info with regards to your vehicle so if something is broken it helps you discover what the situation is and how to repair it. After that you can decide if this can be done on your own or that the job is just too big you are able to make a booking for your Dirty Devil 50 into a decent mechanic.
Sachs Dirty Devil 50 manual