4-6. PMCS TABLE.
Table 4-1 provides
to be performed
by Unit personnel.
It includes the following:
Item Number Column. This column is a list of every check and service task in the PMCS. They are
numbered in logical order of performance regardless of the interval. This column is to be used as a source of item
numbers for the TM Number Column on DA Form 2404, Equipment Inspection and Maintenance Worksheet, in recording
results of PMCS.
This column indicates the interval at which a specific item needs to be checked or
Item To Be Checked or Serviced Column.
This column provides the name of the item to be checked or
Procedure Column. This column describes the procedures used to check or service an item. It includes all
the information required to perform the checks or services.
Not Fully Mission Capable If: Column.
This column indicates conditions under which the heater is not
capable of performing its intended mission.
4-7. LEAKAGE DEFINITIONS FOR UNIT PMCS.
It is necessary for you to know how fuel leaks affect the status of the heater. Following are classes of leaks you need to
know to determine the operational status of the heater. Learn these leakage class definitions. Remember-when in
doubt, notify your supervisor.
Leakage may present a fire and/or health hazard. No leakage of any type is
permitted within the heater. No leakage of any type is permitted within the area
or compartment being heated.
Heater operation is allowed if:
Class I or Class II leaks occur in fuel supply lines external to the heater and
the area or compartment being heated.
And, such leakage does not present a fire or health hazard.
Class III leaks shall be reported immediately to your supervisor.
CLASS I-Slight seepage of fuel, but not great enough to form a drop.
Indicated by slight wetness or
CLASS II-Seepage of fuel great enough to form drops but not great enough to cause drops to drip from the
item being checked.
CLASS III-Leakage of fuel great enough to form drops that fall from the item being checked.