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
l
a. Check for evidence of leakage (oil, fuel, or brake
Class
III leakage
is evident
(no
fluid) on or under semitrailer.
leakage allowed).
l
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)
l
c.
Check that fire extinguisher
is in proper place
and has proper pressure.
l
d. Check for loose, missing,
or damaged
parts.
l
e. Check electrical
wiring for cuts, breaks, or any
other damage.
2
WHEELS
l
Inspect wheel and stud nuts and hub cap bolts to
seethat they are present and secure.
3
BRAKE LINES
l
Make
certain
that brake
lines
are securely
con-
nected and in good condition.
4
LIGHTS
l
a . Check for proper operation.
l
b . Inspect reflectors.
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