If you want to accomplish repairs for your Norton Commander then it is always a good plan to possess a Workshop Manual to use as a reference in case you need to know proven methods to strip off a specific component such as the Wheel Bearing and fit it again accordingly.
Norton Commander Workshop Manuals will provide you with particular diagnostic info with regards to your automobile therefore if something is not working it helps you understand what the situation is and ways to resolve it. You can then evaluate if you can do this on your own or if ever the job is just too big you are able to make a booking for your Commander in with a nearby garage.
Norton Commander manual