If you wish to conduct maintenance tasks to your Norton Commander then it is always recommended to possess a Workshop Manual to keep just for a guide in the event that you want to know easy methods to remove a particular part such as the Clutch and fit it again successfully.
Norton Commander Workshop Manuals offers clear exact diagnostic guidelines for your automobile so if something is wrong it can help you ascertain what the issue is and ways to repair it. You can then analyse if you can do this by yourself or in the event the job is just too big you could book your Commander right into a local garage.
Norton Commander manual