TM 10-3930-664-24 B.  CLEANING Clean water pump in accordance with paragraph 1-24. C.  INSPECTION 1. Inspect components in accordance with paragraph 1-24. 2. Inspect impeller blades for corrosion or damage. 3. Manually turn pump to ensure smooth rotation. 4. Check weep hole at  base  of  pump  for  evidence of leakage.  If leaking, replace pump. D.  INSTALLATION 1. INSTALL WATER PUMP (3). a. Install  new  ring  seal  (5)  into  water  pump groove. b. Install  water  pump  (3)  into  engine  block using screws (4). 2. TORQUE   SCREWS   (4)   TO    18    FT-LBS    (24 N•m). 3.    INSTALL DRIVE BELT (2). a. Using  3/8"  square  drive  handle,  lift  up  on belt tensioner arm (1). b. Carefully    install    drive    belt        (2)    onto alternator, water pump, and fan pulley. c. Release belt tensioner arm (1). FOLLOW-ON MAINTENANCE: Install fan blade (para.  2-52) Service radiator (para.  2-46) END OF TASK 2-161