TM 10-3930-664-24 C.  INSPECTION 1 Inspect  fans  for  obvious  damage.    Inspect  for evidence of overheating or shorting. 2 Inspect fan blade guards for bent or broken wire. Ensure fan blade does not rub against guard. 3 Inspect fan blades for cracks, splits, or bends. D.  INSTALLATION 1 Install  rear  defroster  fan  (2)  onto  right  window frame (7) using screws (8) and nuts (9). 2 Install   front   defroster   fan   (1)   onto   bracket   on driver  side  panel  (3)  using  screws  (4)  and  nuts (5). 3 Connect electrical wiring to defroster fans (1, 2). FOLLOW-ON MAINTENANCE: Connect battery cables (para.  2-78) END OF TASK 2-383