Volvo Repair: 740GL, compressor belt, alternator belt

Question
Can you tell me how to replace the alternator belt?

Answer
Take it off and put another one on.  HA.  Anyway remove the compressor belt by loosening the 13mm nut and use a wrench for the back one.  Loosen the adjustment bolt and remove belt.  Do the same thing for the alternator, but there is only one nut in the front.  ROger