TM 55-8115-203-23 & P
Light leak test the welds according to paragraph 2-5.
Clean, mask and prime inside and outside of the repaired area according to paragraph 2-4. Apply top coat
to the outside only.
If the replacement panel is lap jointed to the container, caulk the inside seams where they are not
Remove shielding if used. If plywood liner has been removed, replace it according to paragraph 2-9.
3-3. Corner Post. Use repair procedures in the following order of preference: Welding repair with inserts, and
replacement of the corner post.
Direct oxygen acetylene torch away from corner castings, side and end rails, and side and end
panels to prevent damage to any of these parts.
Inserting. If damage cannot be repaired by straightening, it may be possible to replace the damaged area with
Restrictions for insert repair of corner posts are as follows: (a) Do not use more than two inserts on a
single corner post. This does not include inserts used to repair the J-bars on the front corner posts. There
is no limit to the number of times inserts may be used to repair J-bars. See figure 3-4, example A.
(b) Do not use an insert to replace a damaged corner post section when an insert has already been used
on another side of the same section. See figure 3-4, example B.
(c) Do not use inserts closer than six inches apart. If the damaged area is closer than six inches to an
existing insert, the new insert must be extended and butt welded against the existing insert. If the
existing insert is diamond or oval shaped, the new insert must extend around the narrow part of the
old insert so that both inserts are welded together at the widest point of the narrower insert. See
figure 3-4, example C.
(d) Do not use an insert when the damaged area extends over more than twelve inches of the exposed
corner post cross section. See figure 3-4, example D.
(e) Do not use a second butt-welded insert when the total width of the two inserts across the corner post
cross section will exceed twelve inches. See figure 3-4, example D.
(f) Do not use an insert less than six inches long. See figure 3-4, example E.