TM 10-6640-215-13 4-48.  REMOVE/INSTALL OXIDATION STABILITY BATH. This task covers: a.  Removal b.  Installation INITIAL SETUP: Tools Required General Mechanics Tool Kit, (Appendix B, Section III, Item 2) 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 Oxidation Stability Bath.  See figure 4-48. a. At Main Power Panel, place circuit breaker AlCB15 to the OFF position and unplug oxidation stability bath power cord from wall receptacle located inside cabinet "SI". b. Disconnect drain line on oxidation stability bath located inside cabinet "S1". c. Remove one screw from bath junction box and remove cover. d. Disconnect heating element leads. e. Disconnect conduit and withdraw with leads from junction box. f. Remove heater element with junction box from bath. g. Remove eight screws, nuts, lockwashers, and flat washers that secure oxidation stability bath to countertop. h. Remove oxidation stability bath. INSTALLATION Install Oxidation Stability Bath.  See figure 4-48. a. Place oxidation stability bath in opening of countertop. 4-129