TM 10-6640-239-13 4-22 4-12.    POWER ENTRY PANEL. This task consists of: a. Remove b. Repair c. 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) Soldering Gun, (Appendix B, Section III, Item 2) Materials/Parts Required Gasket (1) Lockwashers (21) Rivets (29) Rivnuts (4) Adhesive (Appendix E, Section II, Item 2) 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 1. Remove Power. a. Remove power from all equipment. b. Position all Main Power Panel circuit breakers to OFF. c. Shut down generator. d. Disconnect power cable, ground wire, telephone cables and electrical cords from power panel. 2. Remove Door Assembly.  See Figure 4-2. a. Remove eight rivets (1) from door assembly (2). b. Unlatch and remove door assembly (2). 3. Remove Power Panel and Gasket. a. Remove gasket (3). b. Remove 21 rivets (4) that secure power panel (5) to Mod Lab B (6). c. Remove power panel (5) from Mod Lab B (6) far enough to allow leads to be tagged. d. Tag and disconnect electrical leads.