TM-9-2330-238-14
CHASSIS, SEMITRAILER: 6-TON, 4-WHEEL M295A1; SEMITRAILER, VAN: EXPANSIBLE, 6-TON, 4-WHEEL M313; SEMITRAILER, VAN: SHOP, FOLDING SIDES, 6-TON, 4-WHEEL M447 AND M447C; SEMITRAILER, VAN: REPAIR PARTS, SHOP EQUIPMENT, 6-TON, 4-WHEEL M749; SEMITRAILER, VAN: REPAIR PARTS STORAGE, 6-TON, 4-WHEEL M750
TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL
JULY 1992
TM-9-2330-238-14 - Page 101 of 462
TM
9-2330-238-14
Section
Ill.
ORGANIZATIONAL
PREVENTIVE
MAINTENANCE
CHECKS
AND SERVICES
(PMCS)
Page
Paragraph
Title
Number
General
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3
General
PMCS
Procedures
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3
Organizational
Preventive
Maintenance
Checks
and Services
(PMCS),
Table 4-1
. . . . . . . . . . . . . . . . . . . .
4-4
Reporting
Repairs
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3
Service
Intervals
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3
Specific
PMCS
Procedures
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-4
4-7.
GENERAL.
To ensure that the
M313, M447, M447C, M749, and M750 semitrailers
are ready for operation
atalltimes, they
must be inspected
on aregular basis
so that defects may
be found before
they result
inserious
damage,
equipment
failure,
or
injury
to
personnel.
This
section
contains
systematic
instructions
on
inspections,
adjustments,
and
corrections
tobe
performed
by organizational
maintenance.
4-8.
SERVICE
INTERVALS.
Perform
PMCS,
found
in Table 4-1, at the following
intervals:
(1)
Perform
Quarterly
(Q) PMCS once
every three months.
(2)
Perform
Semiannual
(S) PMCS once
every six months.
(3)
Perform
Annual
(A) PMCS once
each year.
4-9.
REPORTING
REPAIRS.
Report all defects
and corrective
actions
on DA Form 2404. If a serious problem
is found,
lMMEDIATELY
reportit
to your supervisor.
4-10.
GENERAL
PMCS
PROCEDURES.
WARNING
Dry cleaning
solvent,
P-D-680,
is toxic and flammable.
Always wear protective
goggles
and gloves,
and use only in a well-ventilated
area. Avoid contact
with skin, eyes,
and
clothes,
and DO NOT breathe
vapors.
DO NOT use near open flame
or excessive
heat.
The
solvent’s
flash
point
is 100°F-138°F
(38°C-59°C).
If you
become
dizzy
while
using cleaning
solvent,
immediately
get fresh air and medical
help. If solvent
contacts
eyes,
immediately
wash
your eyes
and get medical
aid.
a.
Keep equipment
clean.
Dirt, oil, and debris
may cover
up a serious
problem.
Clean
as you work
and as
needed.
Use dry cleaning
solvent
(Item 14, Appendix
E) on all metal surfaces.
Use dishwashing
compound
(Item 6,
Appendix
E) and water
on rubber,
plastic,
and painted
surfaces.
b.
While
performing
PMCS,
inspect
the following
components:
(1)
Bolts, Nuts, and Screws.
Ensure that they are not loose,
missing,
bent, or broken. Tighten
any that
are loose.
(2)
Welds.
Inspect
for gaps
where
parts are welded
together.
Report
bad welds
to your supervisor.
(3)
Electrical
Wires or Connectors.
Inspect for cracked
or broken
insulation,
bare wires,
and loose or
broken
connectors.
Make
repairs
or replace
as required.
(4)
Hoses,
Lines, and Fittings.
Inspect for wear, damage,
and leaks. Ensure that clamps
and fittings are
tight. If leak originates
from a loose fitting or connector,
tighten
it. If a component
is broken or worn, correct the problem
if authorized
by the Maintenance
Allocation
Chart (MAC) (Appendix
B). If not authorized,
report
it to your supervisor.
4-3
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