spection for Wheel and Half-Track Vehicles) and write
in "New (or rebuilt) semitrailer reception."
(2) Perform item 27 before starting road test. Lubricate
all points regardless of interval.
21. Break-In Procedures
a. R e f e r t o p a r a g r a p h 3 1 f o r o p e r a t i n g i n s t r u c t i o n s .
the preliminary services have been performed, the break-in
period (500 miles) may be accomplished in normal service of
the semitrailer under the supervision of a competent driver.
If the semitrailer was towed to the using organization, consider
the mileage so traveled as break-in mileage.
ganizational mechanic or maintenance crew C (1,000-mile) pre-
ventive-maintenance service (table III), with the following vari-
ation. Line out the other services on the work sheet (DA Form
c. When the semitrailer has been towed 1,000 miles, it will
be placed on the regular preventive-maintenance schedule and
a. O r d i n a r y
spection and servicing or during the break-in period will be
corrected in the usual way; that is, by the using organization
or a higher maintenance echelon.
b. S e r i o u s
ance with AR 70038) to the Chief of Ordnance, Washington
25, D. C., ATTN :ORDFM (or to the chief of appropriate tech-
nical service for other than ordnance equipment).
Section Il. CONTROLS AND OPERATION
This section describes, locates, illustrates, and furnishes the
operator with sufficient information pertaining to the various
controls provided for the operation of the semitrailer.
contains instructions for the mechanical steps necessary to op-
erate the 12-ton 4-wheel wrecker semitrailer M269, M270, or