If you wish to undertake maintenance tasks to your Husqvarna 350 TE then it is usually recommended to have a Workshop Manual for reference if perhaps you need to know techniques to take out a certain part for example the Drive Shaft and fit it again adequately.
Husqvarna 350 TE Workshop Manuals will provide you with particular diagnostic information on your vehicle therefore if something is not working it helps you work out what the issue is and tips to make it better. You can then evaluate if this can be done by yourself or if the job is too big you can actually make a reservation for your 350 TE into a decent repair garage.
Husqvarna 350 TE manual