TM 10-6640-215-13 4-44.  REMOVE/INSTALL KINEMATIC VISCOSITY BATHS - continued. c. Install the two hold down brackets with captive wing bolts. d. Place bracket with strap in position on viscosity bath.  Secure strap. e. Plug bath into controller and plug controller for viscosity bath into wall receptacle. f. Verify viscosity bath operation. NOTE For component removal refer to TM 10-6640-226-13&P. 4-46.  REMOVE/INSTALL THE CENTRIFUGE. This task covers: a.  Removal b.  Installation INITIAL SETUP: Tools Required General Mechanics Tool Kit, (Appendix B, Section III, Item 2) Materials/Parts Required Lockwashers, (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 the Centrifuge.  See figure 4-46. a. At Main Power Panel place circuit breaker A1CB8 to the OFF position. b. Unplug centrifuge power cord from convenience outlet. c. From  beneath  countertop,  remove  four  mounting  screws,  lockwashers,  flat  washers  and  nuts  that  attach  each shock mount to shelf. d. Remove defective centrifuge from countertop. NOTE For component removal refer to TM 10-6640-230-13&P. 4-124