TM 5-4220-233-14
(3) If anything wrong is discovered through PMCS, perform the appropriate troubleshooting task in Chapter
3, Section III. If any component or system Is not serviceable, or if a given service does not correct the
problem, notify your supervisor.
(4) The columns in Table 2-1 are defined as follows:
(a) Item No. Provides a logical sequence for PMCS to be performed and is used as a source of item
numbers for the “TM ITEM NO" column when recording PMCS results on DA Form 2404.
(b) Interval. Specifies the interval at which PMCS is to be performed.
(c) Item To Be Inspected. Lists the system and common name of items that are to be inspected.
Included in this column are specific servicing, inspection, replacement, or adjustment procedures to
be followed.
(d) Not Mission Capable If: Explains when the Servicing Unit is non-mission capable.
e.
LEAKAGE DEFINITIONS.
(1) It is Important to know how fluid leakage affects the status of the Servicing Unit. Following are
types/classes of leakage an operator must know to determine whether the Servicing Unit is mission-
capable.
Leakage Definitions for Crew/Operator 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 great enough to cause drops to drip from
item being Inspected.
Class III
Leakage of fluid great enough to form drops that fall from item being inspected.
CAUTION
When operating with Class I or II leaks, continue to check fluid
levels more frequently than required in PMCS. Parts without
fluid will stop working or may be damaged.
(2) Equipment operation is allowed with minor (Class I or II) leakage. Fluid levels in an item/system
affected with such leakage must be checked more frequently than required In PMCS. Report Class III leaks
IMMEDIATELY to your supervisor.
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