TM 10-3930-669-20 (4) Remove two fittings (5 and 6) from fittings (23). (5) Loosen    two    fittings    (24)    and    remove fittings (23) from fittings (25). (6) Remove  two  fittings  (25)  and  preformed packings   (26)   from   fuel/water   separator head (16).  Discard preformed packings. (7) Remove two plugs (27) washers, (28) and preformed   packing   (29)   from   fuel/water separator  head  (16).    Discard  preformed packing. 4-31