The term 'SET UP FOR SERVICE' can be broken down into two crossword solutions: 'INSTALL' and '7 letters'. The term 'INSTALL' means to put something in place, usually for the purpose of making it ready for use. This could refer to setting up a piece of equipment or software, or even putting together furniture. The second solution, '7 letters', refers to the length of the word 'INSTALL', which is seven letters long.