TM 1-1520-238-23
Change 9
1-158.13
1.49.
CORROSION CONTROL/INSPECTION – continued
(b) Use epoxy primer coating kit (item 76A, App F) or epoxy primer coating kit (item 78A, App F).
(c) Use topcoat for drive system components; gear boxes and main transmission polyurethane coating
(item 140A, App F).
(b) If an organic coating is not to be applied and a protective coating is needed, apply corrosion preventive
compound (item 62A, App F) to the repaired area. Extend compound 0.5 to 1.0 INCH (13 to 25mm)
beyond periphery of repair.
1.49.17. Aircraft Modification Procedures
CAUTION
When torque stripe is used, apply corrosion preventive compound (item 62A, App F). Do not apply
MIL-S-8802 or MIL-S-29574. This applies for all aircraft modification procedures. All areas shall be
cleaned prior to applying corrosion preventive compounds.
NOTE
Use the following procedures on aircraft operating in extremely corrosive environment.
Use sealing compound (item 162, App F) or sealing compound (item 170A, App F) in lieu of primer
in coastal areas.
a. Forward Fuselage – right side (area 1)
(1) Seal gap next to fuselage at R105 and pilot’s exterior armor panel with sealing compound (item 170C,
App F) or sealing compound (item 164, App F).
(2) Apply corrosion preventive compound (item 63, App F) or corrosion preventive compound (item 63A,
App F) to door hinges and latches on access doors R90 and R115.
(3) Seal around static port brace and panel next to fuselage with sealing compound (item 170A, App F) or
sealing compound (item 162, App F).
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