TM 9-6115-604-34 NAVFAC P-8-633-34 1. DRAIN PLUG 13. LUBRICANT TEMPERATURE 2. RING SPACER THERMOSTAT S1 01 3. THREADED INSERT 14. ADAPTER 4. DRAIN VALVE 15. BUSHING 5. ADAPTER 16. CAPSCREW 6. CAPSCREW 17. COVER 7. LOCKWASHER 18. CAPSCREW 8. WASHER 19. CAPSCREW 9. OIL PAN 20. OIL PAN ADAPTER 10. GASKET 21. GASKET 11. LUBE OIL HEATER H113 22. OIL SIGHT GAGE 12.  PIPE PLUG 23.  PIPE PLUG Figure 9-68. Removal and Installation of Oil Pan Assembly (Sheet 2 of 2) NOTE It is recommended that a minimum of four persons perform the following procedure. (6) Remove  the  capscrews  (6),  lockwashers  (7),  washers  (8),  and  remove  the  oil  pan  (9).    Remove  and discard the gasket (10). (7) Remove the capscrews (16), lockwashers (7), washers (8), and remove the covers (17), if necessary, and remove and discard the gaskets (10). (8) Remove the capscrews (18 and 19), lockwashers (7), washers (8), and remove the oil pan adapter (20). Remove and discard the gasket (21). WARNING Dry cleaning solvent PD-680, Type III, or equivalent, Is flammable and moderately toxic to the skin,  eyes,  and  respiratory  tract.    Assure  adequate  ventilation.  Skin,  eye,  and  respiratory protection Is required to avoid Injury to personnel. b. Clean.  Clean all parts thoroughly using dry cleaning solvent PD-680, Type III, or equivalent, and dry with shop towels. c. Inspect. (1) Visually  inspect  the  oil  pan  (9),  covers  (17),  and  the  oil  pan  adapter  (20)  for  cracks,  warped  gasket surfaces, nicks and burrs on the gasket surfaces, and damage to the threaded holes. (2) Inspect the oil pan (9), covers (17), and oil pan adapter (20) for cracks and porosity using nondestructive tests in accordance with MIL-1-6866 or MIL-1-6868. (3) Check the threaded holes in the cylinder block (for capscrews 18 and 19) for damaged or stripped threads. d. Repair. (1) Repair  slightly  damaged  threaded  fittings,  plugs,  and  capscrews  by  chasing.    Replace  stripped  fitting, plugs, or capscrews. (2) Replace  damaged,  stripped,  or  loose  threaded  inserts  and  repair  stripped  threads  in  accordance  with paragraph 2-12. (3) Remove nicks or burrs on the gasket surfaces of the oil pan (9), covers (17), or oil pan adapter (20) using a flat mill file. (4) Repair cracks or porosity in the oil pan (9), covers (17), or oil pan adapter (20) by welding in accordance with MIL-STD-248.  Reinspect the welded areas in accordance with step c(2), above. (5) If  welding  repairs  extended  into  the  gasket  surfaces,  or  the  gasket  surfaces  were  warped,  refinish  the gasket surface using a surface grinder. e. Install.  Before installing either the adapter, covers, or oil pan, be sure all traces of old gasket material has been removed.    Wrap  all  pipe  plugs  and  pipe  fittings  with  ant-seize  tape,  MIL-T-27730,  before  installing.    When installing the oil pan adapter (20, Figure 9-68), be sure to follow the exact torque sequence and torque values given. 9-120