REPAIR FORWARD TRANSMISSION OUTSIDE SURFACE
Gloves (E184.1) shall be worn during
the remainder of this task; otherwise,
personal injury could result.
Acid etch the reworked area as follows:
Prepare a solution of 3 parts acetic acid
(E21) in 7 parts water. Wear gloves (E184.1)
Swab the area with solution for 2 minutes.
Use gauze sponges (E184).
Rinse the area with cold water.
Fluorescent inspect reworked area to check for
cracks (TM 1-1500-335-23). There shall be
no cracks. If a crack is suspected in forward
transmission outside surface, refer to TM
Apply surface treatment to the reworked area
Clean the area with naphtha (E245) and
clean cloths. Let the area air dry.
If the area is on cover (1), swab solution of
alodine powder (E65) in water on area. Swab
for 2 to 5 minutes. Use gauze sponges
(E184). Wear gloves (E184.1). Rinse the
area with cold water and let air dry.
If the area is on housing (2), swab on solution
of chromic acid (E114) and calcium sulphate
(E91). Swab until metal becomes dull gold to
brown. Use gauze sponges (E184). Rinse
the area with cold water and let air dry.
Apply epoxy primer (E292 or E293) to the
reworked area. Let air dry for 2 hours.
Apply epoxy topcoat (E166).
END OF TASK