TM 55-8115-203-23 & P
b.
Corner post replacement. Replace the corner post if repair by straightening or inserting is not possible. The
replacement corner post should be identical in shape and length. It should be made of rolled steel with a
minimum tensile strength of 110 lbs/sq. in. (50 kg/sq. mm.), at least 1/4 in. (6 mm) thick.
(1)
Remove or shield parts from corner post to be replaced: (a) For front corner posts:
1
Remove or shield floorboards which could be damaged by welding heat.
2
Cut J-bar away from the corner post and corner fitting with oxygen-acetylene torch. Remove door
according to paragraph 2-7. Avoid damaging J-bar or hinges with torch.
(b) For rear corner posts:
1
Remove both plywood liners following procedure 2-9.
2
Remove or shield floorboards which could be damaged by welding heat.
CAUTION
Direct oxygen-acetylene torch away from corner fittings, side and end rails, and side and end
panels to prevent damage to any of these parts.
(2)
Use oxygen acetylene torch to cut out damaged post from rest of container.
(3)
Remove corner post from container.
(4)
Grind smooth all cut edges on container and J-bars.
(5)
Grind forty-five degree bevel on upper and lower edges of the replacement corner post. This will allow full
weld penetration at corner post joint.
(6)
Tack weld corner post in position.
(7)
Check standard measurements for proper alignment (see Figure 3-1). Reposition corner post if necessary.
(8)
Continuously weld new corner post to adjoining structural parts of container. Make adjustments as
necessary to maintain allowable tolerances shown in figure 3-1.
(9)
Replacement of parts after front corner post replacement only:
3-14
