TM 10-3930-669-20 6-6.  BLOWER BELT TENSIONER REPLACEMENT (CONT). (2) Remove  connector  (5)  from  broken  belt  sensor switch (6). (3) Remove nut (7) from stud (8). (4) Remove  screw  (9),  broken  belt  sensor  switch (6), and bracket (10) from engine (11). WARNING Blower belt tensioner is under spring tension and could cause injury. (5) Using  a  wrench  on  screw  (12),  turn  blower  belt tensioner    pulley    (4)    towards    the    right    and remove belt (13).  Slowly release tension. 6-14