2-30. Replace/Repair Rocker Lever Housing Group/Cover Group.
This task covers:
INITIAL SETUP :
Tool kit, general mechanic's rail
Engine shutdown and secured.
and marine diesel engine,
Coolant drained. TM 55-1905-223-10.
Torque wrench kit P/N 3377216
Air intake group removed (para. 2-32).
Water tube driver P/N ST-1319
Rocker lever actuator P/N 3375539
Valve cover gasket P/N 3040720
Exhaust rocker lever P/N 304-7599
Injector rocker lever P/N 3013300
Plain hexagon nut P/N MS51968-14
Setscrew P/N 168306
Engine poppet valve rocker arm
Rocker lever housing gasket
Emery cloth, Item 18, Appendix C
Cleaning solvent, Item 15, Appendix C
Each main propulsion engine contains sixteen rocker lever housing/cover groups. This procedure covers the
removal, repair, and replacement of one only. It is typical of all sixteen.
a. Remove engine poppet valve rocker arm cover.
(1) Remove the assembled washer bolt (1, FIG. 2-28) and flat washer (34).
(2) Remove two hexagon head capscrews (2), lockwashers (3) and flat washers (4).