TM9-2330-368-14 & P
Section III. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
Page
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...4-3
Organizational Preventive Maintenance
Checks and Services . . . . . . . . . . . . . .......4-3
WARNING
4-6.
GENERAL
Dry cleaning solvent P-D-680 used to
clean parts is potentially dangerous
To ensure that the trailer is ready for operation at
to personnel and property. Do not
all times, it must be inspected systematically so
use near open flame or excessive
that defects may be discovered and corrected be-
Flash point of dry cleaning solvent
fore they result in serious damage or failure. Table
is 138 F (59C).
4-1 contains a
tabulated listing of
preventive
maintenance checks and services to be performed
( 1 ) Keep it clean: Dirt, grease, oil, and de-
by organizational maintenance personnel. All
bris only get in the way and may cover up a serious
deficiencies and shortcomings will be recorded
problem. Clean as you work and as needed. Use
as well as the corrective action taken on DA Form
dry cleaning solvent (P-D-680) to clean metal sur-
2404 at the earliest possible opportunity.
faces. Use soap when you clean rubber or plastic
material.
4-7. ORGANIZATIONAL PREVENTIVE
MAINTENANCE CHECKS AND SERVICES
(2) Bolts, nuts, and screws: Check that
they are not loose, missing, bent, or broken. You
a. The item numbers of table 4-1 indicate the
can't try them all with a tool, of course; but look
sequence of the PMCS. Perform at the intervals
for chipped paint, bare metal, or rust around bolt
shown below:
heads. Tighten any that you find loose.
(1) Do your semiannual (S) PREVENTIVE
MAINTENANCE once each 6 months.
(3) Welds: Look for loose or chipped
paint, rust, or gaps where parts are welded to-
(2) Do your annual (A) PREVENTIVE
gether. If you find a bad weld, report it to direct
MAINTENANCE once each year.
support.
b. [f something doesn't work, troubleshoot
(4) Electric wires and connectors: Look
it with the instructions in this manual or notify
for cracked or broken insulation, bare wires, and
your supervisor.
loose or broken connectors. Tighten loose connec-
tions and make sure the wires are in good condi-
c. Always do your preventive maintenance in
tion.
the same order, so it gets to be a habit. Once
you've had some practice, you'll spot anything
(5) Air hoses: Look for wear, damage and
wrong in a hurry.
leaks. Make sure clamps and fittings are tight. If
a leak comes from a loose fitting or connector,
d. If anything looks wrong and you can't fix
tighten it. If something is broken or worn out,
it, write it down on your DA Form 2404. If you
either correct it or report it to direct support.
find something seriously wrong, report it to di-
rect support as soon as possible.
4-3