TM  5-2815-241-34&P ROCKER  ARM  HOUSING  INSTALLATION INITIAL   SETUP Tools Materials/Parts Adapter  set,  torque,  ST-669,  3/8 inch drive Handle,   ratchet,   3/8-inch   drive Socket,   7/16-inch,   3/8-inch   drive Socket,  M-inch,  3/8-inch  drive Wrench,  torque,  0  to  150  ft  lb (0  to  210  N•m),  3/8-inch  drive Gasket Washers,  steel,  engine  compression  brake (six   required) Equipment   Condition Injector  timing  adjusted  (page  2-74). ACTION LOCATION ITEM REMARKS NOTE Steps  given  are  typical  for  all  three  rocker  arm  housings. 1.  Cylinder  head  (1) New  gasket  (2) Put  on. 2. intake and exhaust valve   rocker arms  (3) Locknut  (4)  and adjusting  screw  (5) Using  3/8-inch  drive  ST-669  torque  adapter set  and  ratchet  handle,  loosen  locknut  and unscrew  adjusting  screw  three  turns. 3.  Fuel  injector rocker arm (6) Locknut  (7)  and adjusting  screw  (8) Using  3/8-inch  drive  ST-669  torque  adapter set, 7/16-inch socket, and ratchet handle, loosen  locknut  and  unscrew  adjusting  screw three  turns. 4.  Cylinder  head  (1) 5. Rocker arm housing  (9) Rocker  arm housing  (9) Put  on. Aline  ball  socket  on  rocker  arm  with socket  in  push  tube. Six  new  engine  com- pression  brake  steel washers  (10) Put  on. NOTE Rocker arm studs are different lengths, See illustration for locations and lengths. 2-82