TM 10-6640-215-13 5-9.  REMOVE INSTALL WATER CHILLER. This task consists of: a.  Removal b.  Installation INITIAL SET-UP: Tools required General Mechanics Tool Kit, (Appendix B, Section III, Item 2) Material Required Teflon Tape, (Appendix E, Section II, Item 157) Lockwashers, (4) (Appendix F) General Safety Instructions WARNING ELECTRICAL SHOCK Before  performing  any  maintenance  actions  on  electrical  equipment,  ensure  all  electrical  power has been turned off.  Death or serious injury may occur from failure to do this. REMOVAL Remove Water Chiller.  See figure 5-5. a. On POWER PANEL No.  2, set circuit breaker A15CB7 to OFF. b. On POWER PANEL No.2, set circuit breaker A15CB8 to OFF and drain water lines. c. Remove four screws from left panel and two from screen.  Remove left panel. d. Tag for reconnection and disconnect wiring from water chiller. e. Disconnect and remove conduit from chiller. f. Disconnect the three unions that connect the water supply, water return, and drain lines on the roadside end of chiller. g.   Remove four capscrews and flat washers that secure water chiller foundation mounting plate to machinery room floor. h. Remove defective water chiller with foundation mounting plate. i. Remove  four  screws,  nuts,  flat  washers  and  lockwashers  and  separate  chiller  from  foundation  mounting plate. j.    Remove pipe fittings from water chiller. 5-8