Aga diy servicing of oil fired?

Hi does anyone do their own servicing of their oil fired aga? just about to move into my new house that has an aga, never had one before, but i am an engineer by trade. i assume that becuse not gas can service it, so plz not coments about corgi, which i belive is a con anyway! uk my question started from seeing this web site. http://www.agadiyservice.co.uk/index.asp and just becuse someone has a corgi or oftec stamp on a bit of paper does not stop them from being cow boys!
Answer
Oil is also covered by corgi. we have aga. its fairly basic to clean the injectors and clean out the flue anually. i spend £80 to have it set up right every 2 years... hope you have a summer cooker !