L E A K A G E DEFINITIONS (Con't).
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).
ITEM TO BE INSPECTED
Equipment is Not Ready/
PROCEDURE: Check for and have repaired, filled, or
adjusted as needed.
Perform weekly as well as before PMCS if:
a. You are the assigned operator but have not
operated the semitrailer since the last week-
b. You are operating the semitrailer for the first
Make the following walkaround checks:
EXTERIOR OF SEMITRAILER
Tires have cuts or abrasions that
a. Check tires for unusual or extreme wear, cuts,
would result in tire failure during
cracks, and imbedded foreign objects.
operation. One or more tires
missing or unserviceable.
c. Visually check for loose, missing, or damaged
Class Ill leaks evident.
d. Check for evidence of oil or brake fluid leaks on
or under semitrailer.
Inspect wheel stud nuts and hub cap bolts to en-
sure that they are secured. If loose, notify Organi-
BRAKE AIR HOSES
Air hose missing or damaged.
Check air hoses for obvious damage.
Visually inspect electrical wiring for cuts, breaks,
or other damage.