Quantcast Section Il. DESCRIPTION AND DATA

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c. Field Reports of Accidents. T h e r e p o r t s n e c e s s a r y t o c o m p l y
with
the
requirements
of
the
Army
safety
program
are
pre-
scribed in detail in SR 385-10-40. These reports are required
whenever accidents involving injury to personnel or damage to
materiel
occur.
d. Report of Unsatisfactory Equipment and Materiels. A n y
deficiencies detected in the equipment covered herein which occur
under  the  circumstances  indicated  in  AR  700-38  should  be
immediately reported in accordance with the applicable instruc-
tions in those regulations.
4. Description
a.
General.
(1) The 12-ton 4-wheel wrecker low-bed semitrailers M270A1
(figs. 1, 4, and 7), M270 (figs. 2 and 5), and M269
(figs. 3, 6, and 8) are designed to be towed by the
5 ton 6 x 6 truck tractor M52 or similar vehicle equipped
with fifth wheel (lower coupler).
(2) Each semitrailer has two axles at the rear mounted
on a leaf-spring suspension. A fifth wheel upper plate
1-3)
under
the
front
end
or
nose
of
the
semi-
trailer includes a kingpin which is fitted into the fifth
wheel  on  a  towing  vehicle  to  permit  the  semitrailer
to be towed.
A
foot-type
landing
gear
(retractable
support)
1-3)
supports
the
front
end
of
the
semitrailer when not coupled to a towing vehicle.
(3)
Each  semitrailer  is  equipped  with  two  chock  blocks
(fig.  14)  to  prevent  rolling  when  parked.  Each  chock
block is chained to the chassis frame to prevent loss.
When
not
in
use,
chains
and
blocks
are
carried
in
brackets welded to the chassis frame beams near the
rear end.
(4) The spare tire is carried on a winch-type spare wheel
and tire carrier assembly (figs. 4-6) under the right
side of the chassis frame. A tool box, of which the
tool box door (figs. 7 and 8) is part, is provided be-
tween the chassis frame beams at the front end or
nose of the semitrailer, directly over the fifth wheel
upper plate.
(5) Lights on each semitrailer are supplied with current
by and operated from the towing vehicle.
b.
Semitrailer
M270A1.
(1)
Semitrailer
M270A1
has
been
designed
to
be
towed
TAGO 1321B
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