If you choose to undertake repairs to your Husqvarna TE510 then it is usually a good idea to have access to a Workshop Manual to keep just for a guide should you need to know simple methods to take off a particular component such as the Clutch and fit it again adequately.
Husqvarna TE510 Workshop Manuals are able to offer exact diagnostic information with regards to your vehicle therefore if something is not working it will help you find out what the problem is and how to resolve it. You will be able to assess if this can be achieved by yourself or if the job is too big you could make a booking for your TE510 in with a local garage.
Husqvarna TE510 manual