If you choose to do auto repairs for your Enfield Diesel then it is usually a good idea to possess a Workshop Manual to keep just for a reference in case that you need to know the right way to take off a particular part including Exhaust and match it again in the right way.
Enfield Diesel Workshop Manuals offers clear unique diagnostic guidelines for the vehicle therefore if something is wrong it helps you discover what the problem is and the way to resolve it. You can then assess if you can do this by yourself or if the job is simply too big you could book your Diesel right into a suitable garage.
Enfield Diesel manual