TM 10-3930-669-20 (11) Remove  three  nuts  (31),  washers  (32),  screws (33),   and   oil   filter   adapter   assembly   (3)   from filter tray (9). NOTE Cab     must     be     removed     prior     to performing Steps (12) through (14). (12) Loosen   two   fittings   (34   and   35)   and   remove hoses (12 and 13) from fittings (36 and 37). NOTE Note position of hoses prior to removal. (13) Remove   two   hoses   (12   and   13)   from   hull   of engine compartment. (14) Remove   adapter   (38)   and   preformed   packing (39)    from    engine    (22).        Discard    preformed packing. 3-15