TM 5-3805-262-10
2-14. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (CONT)
Leakage definitions for Crew/Operator PMCS
Class I
Seepage of fluid (as indicated by wetness or discoloration) not
great enough to form drops.
Class II
Leakage of fluid great enough to form drops, but not enough to cause
drops to drip from the item being checked/inspected.
Class III Leakage of fluid great enough to form drops that fall from the item
being checked/inspected.
Equipment operation is allowable with minor leakages (class
I or II). Of course, consideration must be given to the flu-
id capacity in the system/item being checked/inspected. When
in doubt, notify your supervisor.
Class III leaks should be corrected immediately or reported
to your supervisor or organizational maintenance.
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