TM 5-5420-280-10
0002 00
EQUIPMENT DESCRIPTION (Contd)
PALLET EQUIPMENT FEATURES (Contd)
P
SUPPORT TUBES The two square tubes welded perpendicular to launch
beam that support and permit bridge quarters to slide outward to roadway
width and inward to transport width.
Q
LAUNCH BEAM The center support structure of a bridge half.
R
BEAM A hat-shaped steel support that contains roller contact surfaces and
drive pins that interface with pallet launcher. A key-way is provided at the
coupling end and a lifting eye at the ramp end.
S
DRIVE PINS There is a channel bolted to bottom of each launch beam
containing 84 round pins and 9 grooves that function to engage with pallet
pin wheel drive gears to move bridge on pallet during launch and retrieval.
T
RAIL TRACK There is a hardened steel rail track bolted to ramp end of
launch beam that functions to engage bridge with pallet pin wheel drive gears
to move bridge onto pallet at retrieval.
R
P
COUPLING END
Q
S
P
RAMP END
T
ROLLER CONTACT
SURFACES
LAUNCH BEAM, BOTTOM VIEW
END OF WORK PACKAGE
0002 00-28
