TB 43-0213
e. Drilling Upper Horizontal Stiffener (see
upper horizontal stiffener. Hole is centered between
four holes C which already exist.
f. Drilling Vertical Stiffeners (see Figure 9-4). Drill
one hole D in each vertical tailgate stiffener. Holes are
drilled just above the hinge rod stiffener.
TA504860
Figure 9-2. Drilling Cab Protector Braces.
c. Drilling Tailgate Hinge Rod Stiffener (see
the tailgate hinge rod stiffener. The first hole is drilled
8 1/2 inches (21.6 cm) from either end. The other three
holes are drilled 18 inches (45.7 cm) apart.
TA504862
Figure 9-4. Drilling Center, Horizontal, and
Vertical Stiffeners.
g. Drilling Top Side Rail (see Figure 9-5).
(1) Drill eight holes A in the underside of each
top side rail. The holes are located 3 inches (7.6 cm) to
the left and right of the stake pocket gussets.
TA504861
Figure 9-3. Drilling Tailgate Hinge
(2) Using a cutting torch, cut a 1 1/2-inch
Rod Stiffener.
(3. 8 cm) radius at the bottom of each stake pocket
gusset. The radii are to be cut on both sides of each
d. Drilling Center Horizontal Stiffener (see
gusset.
stiffener. The first hole is drilled 15 inches (38.1 cm)
h. Drilling Underside of Side Lower Rail (Dump
from either edge. The remaining two holes are drilled
to 1 1/2 inches (3.8 cm) using a cutting torch.
18 inches (45.7 cm) apart.
9-2
