TM 10-3930-659-20 5-35. WATER PUMP REPLACEMENT (Con't). 5. Remove three screws (19) and lockwashers (18) from water pump (12).  Discard lockwashers. 6. Remove nut (20), lockwasher (21), water pump (12), and gasket (22) from engine block (15).  Discard lockwasher and gasket. 7. Remove connector (16) and elbow (17) from water pump (12). b. INSTALLATION 1. Install elbow (17) and connector (16) on water pump (12). 2. Install new gasket (22) and water pump (12) on engine block (15) with new lockwasher (21) and nut (20). 3. Install three new lockwashers (18) and screws (19) on water pump (12).  Torque screws to 35 Ib.-ft.  (47 N-m). TA706916 5-102