If you need to do repairs on your Husqvarna TC 450 then it is always recommended to own a Workshop Manual to keep just for reference if you want to know how you can take off a particular part for instance the Brake Pads and match it again adequately.
Husqvarna TC 450 Workshop Manuals provides specific diagnostic guidelines for the vehicle therefore if something is playing up it helps you find out what the situation is and some ways to correct it. Then you are able to evaluate if this can be done by yourself or that the job is too big you are able to make a reservation for your TC 450 into a trusted car garage.
Husqvarna TC 450 manual