TM 10-3930-669-20 2-8.  LEAKAGE DEFINITIONS FOR PMCS (CONT). CAUTION · Equipment operation is allowable in some cases 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 to your supervisor. (1) CLASS I - Seepage of fluid (as indicated by wetness or discoloration) not great enough to form drops. (2) CLASS II - Leakage of fluid great enough to form drops but not enough to cause drops to drip from item being checked/inspected. (3) CLASS III - Leakage of fluid great enough to form drops that fall from item being checked/inspected. 2-9.  PMCS TABLES. The  PMCS  table  is  arranged  in  columns  that  identify  which  item  is  being  inspected/serviced,  when  an  item  should  be inspected/serviced, where the item is located, and the procedures necessary to inspect/service the item.  Report all faulty items found during PMCS, that must be repaired or replaced at a higher maintenance level, on DA Form 2404.  Also, report faulty items to your supervisor. a.  Item No.  The Item No.  column provides a logical sequence for performing the PMCS tasks.  Record the Item No.  of any faulty item that must be repaired or replaced at a higher maintenance level on DA Form 2404. b.  Interval The Interval column provides the appropriate time interval for performing each task.  This column lists the time intervals within which the tasks should be performed.  Intervals are broken into two groups: months of operation and hours of operation.  In all cases, checks of items in the PMCS table should be performed under whichever interval occurs first. c.  Item to Check/Service.  This column lists the name of the item to be inspected/serviced and its location on the vehicle. d.  Procedure.  The Procedure column provides instructions necessary to accomplish the inspection/service.  It also lists  important  Warnings,  Cautions,  and  Notes  related  to  each  task.    If  a  task  is  covered  elsewhere  in  manual,  it  is referenced by paragraph number. e.  Not Fully Mission Capable If: This column tells you what faults will keep your equipment from being capable of performing its primary mission.  If checks and services show faults listed in this column, do not operate the equipment. Follow standard operating procedures for maintaining the equipment or reporting equipment failure. 2-6

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