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 CHAPTER 1
INTRODUCTION
Section
I.
GENERAL
1. Scope
a. This
manual
contains
instructions
for
operation
and
or-
ganizational maintenance of the 12-ton 4-wheel wrecker low-
bed
semitrailers
M270A1
4,
and
7),
M270
and
5),
and
M269
6,
and
8)
for
the
using
organiza-
tion, and instructions for field and depot maintenance for ord-
nance maintenance personnel.
b. T h e a p p e n d i x c o n t a i n s a l i s t o f c u r r e n t r e f e r e n c e s , i n c l u d -
ing
supply
manuals,
technical
manuals,
and
other
available
pub-
lications applicable to the materiel.
c. T M
9-1827C
contains
repair
and
rebuild
instructions
on
the M270A1 brake mechanism and master cylinder. TM 9-1827A
and
TM
9-8601
contain
repair
and
rebuild
instructions
on
the
air chambers, check valves, emergency relay valves, and air
filters.
d. T h i s f i r s t e d i t i o n i s p u b l i s h e d i n a d v a n c e o f c o m p l e t e t e c h -
nical review. Any errors or omissions will be brought to the
attention of Chief of Ordnance, Headquarters, Department of
the
Army,
Washington
25,
D.
C.
ATTN:
ORDFM-Pub.
2. Maintenance Allocation
a . O r g a n i z a t i o n a l M a i n t e n a n c e A l l o c a t i o n . In general, the pre-
scribed organizational maintenance responsibilities will apply
as reflected in the allocation of tools and supply parts in the
appropriate columns of the current ORD 7 supply manual per-
taining to this materiel and in accordance with the extent of
disassembly prescribed in this manual for the purpose of clean-
ing, lubricating, or replacing authorized spare parts.
In all
cases
where
the
nature
of
the
repair,
modification,
or
adjust-
ment is beyond the scope or facilities of the using organization,
the
supporting
ordnance
maintenance
unit
should
be
informed
in
order
that
trained
personnel
with
suitable
tools
and
equip-
ment may be provided or other proper instructions issued.
TAGO l321B
3
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