TM 9-2815-225-34&P 3-42.  OIL COOLER REPAIR (Contd) LOCATION/ITEM ACTION REMARKS d.  Assembly (Contd) 27. Plunger (18), spring (19), Install on cover (15). spacer (20), and plug (21) 28. Spring (22), disc (23), and Install on housing (12). seat (24) 29. New preformed packing (30) Lubricate and install on housing Use OE/HDO 30 lubricating oil. (12). 30. New gasket (29), head (28), Install on housing (12). washer (27), new lockwasher (26), and screw (25) 31. Pipe plugs (7), (17), and (32), Install on cover (3), cover (15), expansion plug (16) or and housing (12). pipe elbow (31), and drainvalve (10) 3-232