ARMY TM 9-2815-260-24 AIR FORCE TO 38G1-126-2 MARINE CORPS TM 09244A/09245A-24 3-29 3.10.2.   EXHAUST MANIFOLD. a.     Inspection. Inspect exhaust manifold (2, Figure 3-8) for serviceability.  Notify next higher maintenance level if cracked or otherwise damaged. FIGURE 3-8.  EXHAUST MANIFOLD. 3.11.   LUBRICATION SYSTEM MAINTENANCE. 3.11.1.   GENERAL. This section provides maintenance for lubrication system components. 3.11.2.   OIL FILTER ASSEMBLY. a.     Removal. (1) Drain engine lubrication system, refer to TM 9-6115-672-14. (2) Remove oil filter (1, Figure 3-9). (3) Disconnect turbocharger oil inlet line from fitting (2).  Remove fitting. (4) Remove capscrews (3, 4, 5, and 6).  Gently remove oil filter head (7) and oil filter adapter (8) together at the same time.  Remove and discard gasket (9). (5) Disconnect oil filter head (7) from tubes (10 and 11). (6) Remove tubes (10 and 11) and O-ring seals (12).  Discard O-ring seals. (7) Remove plugs (13). (8) Cover all openings to prevent entry of foreign material. b.   Inspection. (1) Remove oil filter assembly, refer to step a. (2) Inspect oil filter head (7, Figure 3-9), oil filter adapter (8), and tubes (10 and 11) for cracks or other damage.