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 53 of 462
TM
9-2330-238-14
2-8.
LEAKAGE
DEFINITIONS
(Con’t).
CAUTION
When
operating
with Class I or II leaks, continue
to check fluid levels in addition to that
required
in PMCS.
Parts without
fluid will stop working
or may be damaged.
b.
Equipment
operation
is allowed
with minor (Class
I or II) leakage.
Fluid levels
in an item/system
affected
with such
leakage
must be checked
more frequently
than required
in PMCS.
When
in doubt,
notify
your supervisor.
c.
Report
Class
Ill leaks
IMMEDIATELY to your supervisor.
Table 2-1.
Operator/Crew
Preventive
Maintenance
Checks
and Services
(PMCS).
INTERVAL
ITEM
TO BE INSPECTED
ITEM
PROCEDURE:
Check
for and have repaired,
filled,
or
EQUIPMENT
IS NOT
READY/
NO.
B
D
A
adjusted
as needed.
AVAILABLE
IF:
NOTE
•
Perform
Before
PMCS
if you
are operating
the semitrailer
for the first time.
•
Make
the following
walk around
checks.
1
EXTERIOR
OF SEMITRAILER
●
a.
Check for evidence
of leakage
(oil, fuel, or brake
Class
III leakage
is evident
(no
fluid)
on or under semitrailer.
leakage
allowed).
●
b.
Check
tires for obvious
damage
such as cuts,
bruises,
bulges,
flats,
and unusual
wear. Check
tires for correct
pressure.
Correct
pressure
is:
Highway
48 psi (331 kPa)
Cross-country
40 psi (276 kPa)
Sand
32 psi (220 kPa)
●
c. Check
that
fire extinguisher
is in proper
place
and has proper
pressure.
●
d.
Check for loose,
missing,
or damaged
parts.
●
e.
Check
electrical
wiring
for cuts,
breaks,
or any
other damage.
2
WHEELS
●
Inspect wheel
and stud nuts and hub cap
bolts
to
seethat they are present
and secure.
3
BRAKE
LINES
●
Make
certain
that
brake
lines
are
securely
con-
nected and in good
condition.
4
LIGHTS
●
a.
Check for proper
operation.
●
b .
Inspect
reflectors.
2-7
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