TM 10-3930-660-34 3-23. ENGINE OIL COOLER AND FILTER BASE - REPLACE This task covers: a. Removal b. Cleaning c. Inspection d. Installation Initial Setup Tools Materials/Parts Tool Kit, Automotive Mechanics Gasket (9, 11) Lint-Free Rags (App. B, Item 38) Shop Equipment, Automotive Loctite %59241 (App. B, Item 45) Maintenance, Common #2 O-Ring (2) Less Power Equipment Condition Engine oil filter removed, TM 10-3930-660-20. Cooling system drained, TM 10-3930-660-20. REMOVAL 1. IF NECESSARY, REMOVE THREADED PLUG (1), O-RING (2), COMPRESSION SPRING (3) AND PLUNGER (4) FROM OIL FILTER HEAD (5). DISCARD O-RING (2). CAUTION Area around turbocharger supply line (6) should be cleaned thoroughly before removal of line (6). Failure to do so could result in contamination of turbocharger lubricant and premature turbocharger failure. 2. DISCONNECT TURBOCHARGER SUPPLY LINE (6) FROM TOP OF OIL FILTER HEAD (5). IF NECESSARY, REMOVE ADAPTER (7). 3. REMOVE FOURTEEN CAPSCREWS (8) WHICH RETAIN THE OIL FILTER HEAD (5). 4. REMOVE OIL FILTER HEAD (5), FILTER HEAD GASKET (9), COOLER CORE (10) AND COOLER GASKET (11). DISCARD FILTER HEAD GASKET (9) AND COOLER GASKET (11). 3-130