TM 10-6640-239-13 5-3 5-5. WATER PUMP. This task consists of: a.   Remove b.   Install INITIAL SET-UP Tools Required General Mechanics Tool Kit, (Appendix B, Section III, Item 1) Materials/Parts Required Teflon Tape, (Appendix E, Section II, Item 139) Lockwashers (4) General Safety Instructions WARNING ELECTRICAL SHOCK Before performing any  maintenance actions on electrical equipment, ensure  all electrical power has been turned off.  Failure to comply with this warning may result in serious injury or death. REMOVE Remove Water Pump.  See Figure 5-1. a. Set switch on Water Pump controller to OFF. b. Set A15CB8 at Power Panel No. 2 to OFF. c. Tag and disconnect pump motor electrical leads at motor connection box (1). d. Disconnect conduit (2) from motor connection box (1). e. Disconnect union (3) on pump discharge line to surge tank. f. Disconnect union (4) on suction supply line from water filter. g. Disconnect union (5) on suction supply line from water tank. h. Disconnect hose from drain petcock (6). i. Disconnect two hoses from drain petcock (7). j. Remove four bolts (8), lockwashers (9), and washers (10) that secure water pump (11) to foundation (12).  Discard lockwashers. k. Remove water pump (11). l. Remove pipe fittings from water pump (11) and retain for use.