TM 10-3930-659-34 4-16.  ENGINE OIL COOLER REPLACEMENT (Con’t). 5. Remove   nipple   (5),   engine   oil   cooler   (7),   and pre-  formed  packing  (8)  from  engine  block  (9). Discard preformed packing. b. INSTALLATION 1. Install new preformed packing (8) on engine oil cooler (7). 2. Position engine oil cooler (7) on engine block (9) and install nipple (5).  Torque nipple to 25 lb.-ft.  (34 N.m). 3. Install drainplug (1) and new preformed packing (4) on adapter (2). 4. Position adapter (2) over nipple (5) and on engine oil cooler (7). 5. Install nut (3) on nipple (5).  Torque nut to 25 lb.-ft.  (34 N.m). 6. Install drainplug (6) on engine oil cooler (7). FOLLOW-ON TASKS: •    Install engine oil cooler tubes and hoses (see TM 10-3930-659-20). •    Install engine oil filter (see TM 10-3930-659-20). •    Fill engine cooling system (see TM 10-3930-659-20). TA708107 4-69