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TM 10-5430-236-12&P
0006 00
0006 00-2
PMCS Leakage Definitions
It is necessary for you to know how fluid leakage affects the status of the collapsible fabric petroleum
tank. Following are types/causes of leakage you need to know to be able to determine the status of the
collapsible fabric petroleum tank. Learn these leakage definitions and remember – when in doubt, notify
your supervisor.
CAUTIONS
Equipment operation is allowed with minor leakages (Class I or II).
Consideration must be given to fluid capacity in the item/system being
checked/inspected. When in doubt, notify your supervisor.
When operating with Class I or II leaks, continue to check fluid levels as
required in PMCS.
Class III leaks should be reported immediately to your supervisor.
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 item
being checked/inspected.
Class III – Leakage of fluid great enough to form drops that fall from item being checked/inspected.
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