REPAIR FORWARD TRANSMISSION OIL COOLER FAN ASSEMBLY
Acid etch reworked area as follows:
Prepare solution of 3 parts acetic acid (E21)
in 7 parts water. Wear gloves (E186) and
Swab area with solution for 3 minutes. Use
gauze sponges (E184).
Rinse area with cold water.
Fluorescent inspect reworked area to check for
cracks (TM 1-1500-335-23). There shall be no
Clean reworked area with naphtha (E246) and
clean cloths (E120). Wear gloves (E186). Let
area air dry.
Swab on solution of chromic acid (E114) and
calcium sulphate (E191). Swab until metal
becomes dull gold to brown. Use gauze sponges
(E184). Rinse area with cold water and let air dry.
Apply epoxy primer (E293) to reworked area. Let
air dry for 12 hours.
Apply epoxy topcoat (E166).
END OF TASK