ARMY TM 9-2815-260-24 AIR FORCE TO 38G1-126-2 MARINE CORPS TM 09244A/09245A-24 3-31 (4) Position O-ring seals (12) and tubes (10 and 11) on oil filter adapter (8). (5) Position o-ring seals (12) and oil filter head (7) on tubes (10 and 11). (6) Position gasket (9), oil filter head (7) and oil filter adapter (8) together into proper position on cylinder block and oil cooler housing.  Install capscrews (3, 4, 5, and 6) and torque to 26 lb-ft (35.9 Nm). (7) Install fitting (2). Connect turbocharger oil inlet line. (8) Install oil filter (1). (9) Service engine lubrication system, refer to TM 9-6115-672-14. 3.11.3.   OIL COOLER. a.   Removal. __________ WARNING Engine coolant is very hot and under pressure after engine has been operating.  Allow engine to cool before you slowly loosen filler cap and relieve pressure from cooling system.  Failure to comply could result in severe personal injury. (1) Allow engine to cool and drain coolant system, refer to TM 9-6115-672-14. (2) Remove oil filter assembly, refer to paragraph 3.11.2, step a. (3) Remove drain plug (1, Figure 3-10) and plug (2). (4) Remove capscrews (3 and 4), adapter (5), gasket (6) and O-ring seal (7).  Discard gasket and O- ring seal. (5) Remove oil cooler housing (8) and gasket (9).  Discard gasket. (6) Remove capscrews (10) and oil cooler (11). (7) Remove O-ring seals (12) and discard. (8) Cover all openings to prevent entry of foreign material. b.   Inspection. (1) Remove oil cooler (11, Figure 3-10), refer to step a. (2) Inspect oil cooler (11) for physical damage, plugging, or leakage which may allow mixing of oil and coolant. (3) Back flush oil cooler (11) to clean all debris from core.