TM 10-3930-669-20 NOTE All   valve   covers   are   removed   the same   way.      Valve   cover   No.   1   is shown. (6) Remove   four   screws   (10),   washers (11),  washers  (12),  valve  covers  (13) and   gaskets   (14)   from   engine   (15). Discard gaskets. b. Adjustment. NOTE • All  turning  of  the  engine  will  be done  using  the  alternator  pulley, nut, and alternator belt. • All    turning    of    engine     will    be described   as   if   looking   at   the crankshaft pulley end of engine. (1) Using    a    wrench    on    alternator    (1) pulley, rotate engine (2) to left. 3-5