TM 9-6115-658-13&P 4-24 INSTALLATION 1.   Insert terminal leads (7) through opening in switch box housing (10) and pull through until O-ring (9)      rests against switch box cover (10). 2.   Install lock washer (11) and mounting nut (12). 3.  Connect terminal lugs (8) to switch box components in accordance with Table 4-2. 4.  Insert lamp (2) and O-ring (3) into lens (1). 5.  Install lens (1) into housing (4) and hand tighten. 4-15  LIGHT SYNCHRONIZING MAINTENANCE. This task covers: a.  Test     c.  Installation b.  Removal INITIAL SETUP Tools   Equipment Conditions Tool Kit, General Mechanic’s Reference    (item 1, Appendix B) Both generator sets shut down, Materials/Parts paragraph 2-5.3.3. Switch box cover open. Solder Figure 4-12.  Light/Lamp Synchronizing.