If you want to accomplish maintenance on your Husqvarna TC450 then it will always be recommended to own a Workshop Manual to keep just for a reference just in case you want to know how to take off a particular part for instance the Exhaust and fit it again in the right way.
Husqvarna TC450 Workshop Manuals offers clear identifiable diagnostic facts for your car or truck therefore if something is playing up it can help you determine what the situation is and the best way to correct it. After that you can decide if this can be achieved on your own or if ever the job is simply too big you can actually make a reservation for your TC450 right into a trusted mechanic.
Husqvarna TC450 manual