TM 5-4610-223-12
NOTE
If the equipment must be kept in continuous operation, check and service only those items that can be
checked and serviced without disturbing operation. Make the complete checks and services when the
equipment can be shut down.
3-4.1. Leakage definitions for operator/crew PMCS shall be classified as follows:
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 dnp from item being
checked/inspected.
Class III
Leakage of fluid great enough to form drops that fall from the item being checked/inspected.
CAUTION
Equipment operation is allowable with minor leakages (Class I or II). Of course you must consider the fluid
capacity in the item/system being checked/inspected. When in doubt, notify your supervisor.
When operating with Class I or Class II leaks, continue to check fluid levels as required in your PMCS.
Class III leaks should be reported to your supervisor.
Change 5 3-4.1/(3-4.2 blank)
