TM   5-2815-241-34&P FUEL  PUMP  -  CONTINUED ACTION LOCATION ITEM REMARKS 57. Shutdown   valve housing   (1) New  O-ring  (12) Install on bottom of shutdown valve. 58. Pipe plug (13) Using   7/16-inch   open-end   wrench,   screw in and tighten. 59. Shutdown   valve housing   (1) a. Using  12  vdc  power  supply,  and  oil pressure gage, 0 to 600 psi (0 to 4136 kPa) hook up shutdown valve and attach lines to shutdown valve inlet and outlet. b. Energize coil and pump test fluid through valve  at  300  psi  (2068  kPa)  maximum. c. Deenergize  valve  and  check  to  be  sure valve  holds  300  psi  (2068  kPa)  load  with no   leakage. If  shutdown  valve  does  not  hold specified   pressure,   check   shutdown valve  housing  to  access  cover  plate mating  surface  for  damage.  Also check  rubber  on  access  cover  plate for  swelling  or  damage,  and  replace as  necessary. TA   242542 2-307