Figure 11-38.Straightening of lower female edge.
Figure 11-39.Straightening of upper female edge.
Figure 11-40.Straightening of male edge.
Heavy-duty mats are used under arresting cables to
eliminate excessive dents and other external damage
that occurs to regular matting during aircraft
arrestment procedures. These mats are only used on
the end of the runway where aircraft touch down.
Heavy-duty mats are 6 feet in length and 18 inches
wide after connectors are attached. They are painted
Marine Corps green, color No. 23; the top surface is
also coated with a nonskid material of the same color.
Locking bars used to secure heavy-duty mats together
are approximately 6 feet in length.
To straighten male and female integrally extruded
edges of AM-2 mats, you use a mat connector repair
edge tool, 510827-1. Edges that are slightly damaged
during shipping and handling can be straightened with
the edge tool to allow the edges to be interlocked
Figure 11-38 shows the use of the edge tool for the
lower female edge of the mat, figure 11-39 shows the
use of the edge tool for the upper female edge of the
mat, and figure 11-40 shows the use of the edge tool
for the male edge of the mat.
The procedure to follow in straightening the edges
of AM-2 mats is given below.
1. To straighten the edges of a mat, place it on
blocks to raise it off the ground and provide sufficient
clearance to use the edge tool.
2. Orient the mat properly; that is, place the top of
the mat faceup, as shown in figure 11-40, and place the
bottom of the mat faceup, as shown in figures 11-38 and
11-39, as required to allow the edge tool to be used in
an upright position.
3. Engage the tool with the mat edge, as shown in
figures 11-38, 11-39, or 1140, at the beginning of the
4. To straighten the edge, apply a lateral form on
the tool handle to bend the edge lip toward a
straightened position. Be certain that the tool fully
engages the mat edge lip by applying a constant force
on the tool handle toward the mat.
5. Move the tool into the bent area in small
increments and straighten gradually until the entire
length of the bent section has been straightened Do not
attempt to straighten the bent section in one pass; make
several passes with minimum bending per pass until the
area has been straightened
Care should be taken during bending to
Disassembled pallets should be distributed in the
same pattern that was used for installation of the field
mats to facilitate repackaging, as the various
components are removed With the use of typical
keylock sections, disassembly can be done at several