TM 10-3930-664-24 B.  CLEANING WARNING Fuel  is  very  flammable  and  can  easily  explode.    To  avoid  serious  injury  or  death,  observe  the following precautions: - Keep away from open flame or any spark (ignition source). - Keep at least a B-C fire extinguisher within easy reach when working with fuel or on the fuel system. - Post signs that read "NO SMOKING WITHIN 50 FEET" when working with fuel. 1. Clean fuel strainer (5) by agitating in clean fuel.  Ensure all particles are removed from mesh.  Allow to air dry. 2. Clean remaining fuel tank components in accordance with paragraph 1-24. C.  INSPECTION 1. Inspect fuel strainer (5) for cuts, tears, cracks, corrosion, or other damage.  Replace if damaged. 2. Inspect sending unit level rod (9) for bends, kinks, or other damage.  Ensure rod moves freely. 3. Inspect magnetic drain plug (16) for proper operation. 4. Inspect remaining fuel tank components in accordance with paragraph 1-24. D.  REPAIR 1. Remove and replace defective, deformed, corroded, or damaged components. 2. Repair fuel tank (6) in accordance with TC 9-510. E.  ASSEMBLY 1. Wrap all pipe threads with teflon tape before assembling. 3-77