TM   9-2815-202-34 3-4.  ENGINE   FROM/TO   CONTAINER   -   10909159/10923108*   (Cont) (11) On models 7083-7396 and 7083- 7399 only, remove two bolts (38), two Iockwashers (39), and two flat washers  (40)  securing  bracket  (41)  to left side of engine. Discard Iockwashers. b.  Engine  Preservation NOTE All  openings  such  as  exhaust manifolds,  air  intakes,  breathers  etc. shall not be sealed. The engine does  not  require  any  special depreservation  procedures  to  be made  serviceable. (1) Preservation through the fuel system. (a) (b) (c) (d) (e) Equip  an  auxiliary  fuel  container with a fuel line and fill container with a sufficient amount of preservation  oil. Locate  the  auxiliary  fuel  container to  provide  adequate  pressure  to assure  proper  supply  of preservation oil to the fuel system. Disconnect the fuel line at the fuel pump  inlet  connection  of  the engine and connect the line from the  auxiliary  fuel  container  to  this point. Disconnect  the  engine  fuel  return at  the  quick  disconnect  coupling and  connect  a  transparent  plastic line at this point and insert opposite  end  into  a  recovery container to collect the returned fuel. Turn the fuel valve of the auxiliary container to the ON position. Start and run engine no faster than 1200  revolutions  per  minute (RPM)  until  undiluted preservation  oil  is  flowing  from the fuel return line. 3-20