TM 1-1520-238-23 Change 9 1-158.25 1.49. CORROSION CONTROL/INSPECTION – continued NOTE Mechanical maintenance areas should be performed by 67R personnel and all electrical, armament, and avionics maintenance areas should be performed by 68X personnel. Table II. Requirements for Cleaning Specific Areas and Components Area or Component Type of soil Material Directions Cleaning Procedures Exterior surfaces Light soil Cleaning compound (item 44, App F) or cleaning compound (item 44A, App F) 3 ounces per gallon Apply cleaning compound (item 44, App F) or cleaning compound (item 44A, App F) with aircraft cleaning kit, or cleaning brush. Rinse with fan spray until cleaner and soils are removed. Oils Cleaning compound (item 44A, App F) 3 ounces per gallon Same as above. Heavy soil Dry cleaning solvent (item 74, App F) Dry cleaning Preclean using brush or by wiping area with dry cleaning solvent (item 74, App F), then apply cleaner with foam Cloth (item 51, App F) Cotton cheesecloth generator, spray, sponge, or cloth. Allow to set up to 1 minute, then scrub and rinse Cleaning compound (item 44A, App F) 3 ounces per gallon . Cockpit Dirt Cleaning compound (item 44A, App F) 3 ounces per gallon Remove loose dirt with vacuum cleaner. Wipe with cleaning compound (item 44A, App F), and rinse with fresh water on cloth. Forward avionics Oil Dry cleaning solvent (item 74, App F) Dry cleaning solvent Remove loose dirt with vacuum cleaner. Wipe with cloth wet with dry cleaning solvent (item 74, App F). Wipe off excess Cloth (item 51, App F) Cotton cheesecloth solvent with clean cloth (item 51, App F). Dust Cleaning compound (item 44A, App F) 3 ounces per gallon Remove loose dirt with vacuum cleaner. Wipe with cloth wet with cleaning compound (item 44A, App F), and rinse with fresh water on cloth. GO TO NEXT PAGE