TM 10-6640-238-13 4-118 4-48.    OXIDATION STABILITY BATH. This task consists of: a. Remove b. Install INITIAL SET-UP Tools Required General Mechanics Tool Kit, (Appendix B, Section III, Item 1) 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 Oxidation Stability Bath.  See Figure 4-44. a. At Main Power Panel, place circuit breaker A1CB15 to OFF. b. Disconnect two drain lines (1) from rear of oxidation stability bath (2) located inside cabinet “S1”. c. Remove junction box (3) cover and tag and disconnect electrical leads. d. Disconnect conduit (4) and withdraw with leads from junction box (3). e. Remove six screws (5), nuts (6), lockwashers (7), washers (8) and oxidation stability bath (2) from countertop. f. Remove elbows, valve, fittings, and coupler from drain pipes.  Retain for reuse. INSTALL Install Oxidation Stability Bath.  See Figure 4-44. a. Connect coupler, fittings, valve, and elbows to drain pipes. b. Install oxidation stability bath (2) in opening of countertop and secure with six screws (5), washers (8), lockwashers (7), and nuts (6). c. Install conduit (4) and connect electrical leads in junction box (3).  Remove tags d. Replace cover on junction box (3). e. Connect two drain lines (1) to oxidation stability bath (2). f. At Main Power Panel, place circuit breaker A1CB15 to ON. g. Verify proper operation of oxidation stability bath. NOTE For component removal refer to commercial manual.