Leakage Definitions for Unit PMCS - TM-5-4930-233-140027

TM 5-4930-233-14

TM 4930-14/1

CAUTION

Equipment operation is allowable with minor leakages (Class I or II). Of course, consideration

must be given to the 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 to your supervisor or Intermediate Direct Support

Maintenance

h. It is necessary for you to know how fluid leakage affects the status of your vehicle. The following are definitions

of the types/classes or leakage you need to know to be able to determine the status of your vehicle. Learn, then

be familiar with them and REMEMBER WHEN IN DOUBT NOTIFY YOUR SUPERVISOR!

Leakage Definitions for Unit 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 item being

checked/inspected.

Class III

Leakage of fluid great enough to form drops that fall from the item being checked/inspected.

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