TM  10-3930-638-24&P 2-15.   FUEL   SYSTEM   MAINTENANCE   (cont) d. Fuel Tank, Lines and Fittings. (1) Fuel Tank. This  task  covers  draining,  cleaning,  inspection,  and  filling  (servicing). INITIAL SETUP TOOLS EQUIPMENT CONDITION No. 1 Common Organiza- NSN  4910-00-754-0654 Paragraph Condition Description tional  Maintenance  Tool  Kit Engine off. 2-53c Left  side  panel  removed. MATERIALS/PARTS 2-31a Fuel gage sending unit removed. Cleaning  solvent  P-D-680 Clean  cloths Gasket Tie  strap Container, 30 gallon capacity 2-49