d. Loading/Unloading the Scissored Bridge to/from a Lowbed Semitrailer using a Second
Launched Bridge as a Ramp - CONT
The 6 X 6 in. X 3 ft timbers are used to raise the launcher slightly (if needed). Thicker
timber may be required. If the base of the launcher is at, or near the height of the
flatbed, the timbers may not be required.
(h) Place two 6 x 6 in. x 3 ft
timbers (1) and (2) as shown
resting on the outside edge
of the inside bridge girders.
(i) Drive the launcher (1) with the mounted bridge onto the launched bridge and stop short of the
(j) Ensure that the tracks of the
launcher vehicle (1) will
contact the timbers (2) as
shown. The front of the
outrigger should be about
6 feet from the rear of the
flatbed and about 2 ft from
the ramp of the launched bridge.
(k) Slowly pull the launcher
forward until the tracks have
climbed up on the timbers (2).
2-98 Change 2