ARMY TM 9-2815-259-24 AIR FORCE TO 38G1-125-2 MARINE CORPS 09249A/09246A-24 3-33 (2)     Ensure all old gasket material is removed from gasket surfaces. (3)     Install plug (2) and drain plug (1) and torque evenly to 26 lb-ft (35 Nm). (4)     Position O-ring seals (12, Figure 3-10) on oil cooler (11) and lubricate with clean engine oil. (5)     Apply Thread Lock and Sealer (LOCTITE 242) to capscrews (10).   (6)     Position oil cooler (11) in oil cooler housing (8).  Install capscrews (10) and torque evenly to 9 lb-ft (12 Nm). (7)     Position O-ring seal (7) in adapter (5). (8)     Position gasket (9), oil cooler housing (8), gasket (6) and adapter (5) on engine block.  Install capscrews (3 and 4) and torque evenly to 26 lb-ft (35 Nm). (9)     Install oil filter assembly, refer to paragraph 3.11.2, step c. 3.11.4.   OIL FILL TUBE. a. Removal. (1)     Remove oil fill cap (1, Figure 3-11), capscrews (2), oil fill tube (3) and gasket (4).  Discard gasket. (2)     Cover all openings to prevent entry of foreign material. FIGURE 3-11.  OIL FILL TUBE ASSEMBLY.