TM 55-1930-203-10
CAUTION
Equipment operation is allowable with minor leakages (Class I or II). Of course, 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 your PMCS.
Class III leaks should be reported immediately to your supervisor.
a.
CLASS I - See page of fluid (as indicated by wetness or discoloration) not great enough to form drops.
b.
CLASS II - Leakage of fluid great enough to form drops but not enough to cause drops to drip from item being
checked/inspected.
c.
CLASS III - Leakage of fluid great enough to form drops that fall from item being checked/inspected.
Change 7
3-20