TM 10-6640-239-13 4-156 4-67.    COPPER STRIP CORROSION BATH AND BRACKETS. This task consists of: a. Remove b. Install INITIAL SET-UP Tools Required General Mechanics Tool Kit, (Appendix B, Section III, Item 1) Portable Electric Drill, (Appendix B, Section III, Item 2) Twist Drill Set, (Appendix B, Section III, Item 2) Hand Blind Riveter, (Appendix B, Section III, Item 3) Materials/Parts Required Rivets, (8) REMOVE 1. Remove Copper Strip Corrosion Bath and Bracket.  See Figure 4-61. a. Open cabinet Y to gain access to hardware. b. Loosen strap (1) and remove corrosion test bath (2). c. Remove four rivets (3) and strap (1 and 4). 2. Remove Storage Base. a. Open cabinet Y to gain access to hardware. b. Remove four rivets (7) and straps (5 and 8). c. Remove four screws (9), washers (10), and storage base (11). INSTALL 1. Install Copper Strip Corrosion Bath and Bracket.  See Figure 4-61. a. Install straps (1 and 4) and secure with each strap with two rivets (3). b. Install corrosion test bath (2) and tighten straps (1 and 4). 2. Install Storage Base. a. Install storage base (11) and secure with four screws (9) and washers (10). b. Install straps (5 and 8) and secure each strap with two rivets (7).