TM  5-2815-241-34&P ENGINE  COMPRESSION  BRAKE  HOUSING  INSTALLATION INITIAL   SETUP Tools Materials/Parts Extension,   6-inch,   1/2-inch   drive Gage,  thickness Hammer,   8-ounce,   ball-peen Key,  hex,  3/16-inch Socket,   3/4-inch,   1/2-inch   drive Wrench,   box-end,   9/16-inch Wrench,  torque,  0  to  250  ft  lb (0  to  350  N•m),  1/2-inch  drive Gasket   (three   required) Lock tab (six required) Lockwasher   (12   required) Equipment   Condition Valve  and  injector  adjustment  performed (page  2-106). ACTION LOCATION ITEM REMARKS NOTE Steps  given  are  typical  for  all  three  engine  compression  brake  housings, I. Three rocker arm housings   (1) Three  new  gaskets (2)  and  three  engine compression   brake housings   (3) Put  on. 2.  Three  engine  com- pression  brake housings   (3) Two  spacers  (4), a. Put  two  spacers  on  two  front  engine front  lifting  eye compression  brake  housing  studs. (5)  and  rear  lift- b. Put lifting eyes on either side of center ing  eye  (6) engine  compression  brake  housing  as shown. NOTE Two  lifting  eyes  are  positioned  on  both  sides  of  center  engine  compression brake  housing. Lock tabs are installed on two studs located in center of each engine compression  brake  housing. Two  spacers  are  installed  on  two  front  studs  of  front  engine  compression brake  housing. 3. 4. Six new lock tabs  (7) Put on two center studs of each engine compression  brake  housing. Twelve  new  lock- washers  (8)  and eighteen   nuts   (9) Using  1/2-inch  drive  3/4-inch  socket,  6- inch  extension,  and  0  to  250  ft  lb  (0  to  350 N•m) torque wrench, screw on and tighten to 55 to 60 ft lb (77 to 84 N•m) as shown in  Tightening  Sequence. 2-116