How do you change the belt that runs the power steering pump on a 1990 Mazda B2200?

THERE IS A BELT TENSIONER BELOW AND JUST TO THE RIGHT OF THE FAN PULLEY. LOOSEN IT COMPLETELY, AND THE NEW BELT SHOULD FIT RIGHT ON. THEN TIGHTEN THE TENSIONER TO TIGHTEN THE BELT, AND YOUR DONE. GOOD LUCK, DANNY.