Grind off sufficient weld bead from the top and bottom of the top rail to assure proper alignment with
roof sheet (3) and side panel (4).
If previously detached from the end frame (5), fasten top rail (1) to end frame bracket with rivets (2).
(a) Attach the roof panel (3) and the front or side panel (4) to the top rail (1).
(b) If the roof (3) and front or side panels (4) are made of aluminum, use appropriate rivets.
(c) Install barrier tape to prevent contact between dissimilar metals.
Clean, mask, prime and topcoat the repaired area or new rail.
Apply sealant along the interior seam between the roof panel and the top rail.
Verify that all fasteners are tight and that the repair is watertight. Also check to ensure that all
dissimilar metals have been protected from electrolysis with barrier tape.
This task covers:
b. Straightening and Welding
d. Sectioning or Full Replacement
General Mechanics Tool Kit (Item 1, App B)
Welding Shop, Trailer Mounted (Item 3, App B)
Refrigeration unit shutdown (TM 9-4110-258-13)
Whenever possible, straighten any dents or distortions mechanically, preferably without heating.
If it is necessary to apply heat to assist in straightening, the steel should be heated only to a dull
cherry-red color (1200F or 650 ) and only in the damaged area.
Straightening and Welding.
Straighten the torn area.
Weld the edges of the cut material.
Clean, mask, prime and topcoat the repaired area.