TM   10-3930-638-24&P 2-30. LIGHT SYSTEMS MAINTENANCE (cont) b. Front Blackout Light. This task covers:  a.   Removal d.  Installation/Replacement b.  Cleaning e.  Testing c.    Inspection INITIAL  SETUP TOOLS EQUIPMENT  CONDITION No. 1 Common Organiza- NSN  4910-00-754-0654 Paragraph Condition   Description tional  Maintenance  Tool  Kit Engine  off. IGNITION switch in OFF position and MATERIALS PARTS key  removed. Cleaning  solvent  P-D-680 Clean cloths NOTE Two different blackout lights are used; one type uses bulb (5), the other type uses lamp unit (11). 2-147