function the item is to be used with. The letter is
with original manufacturing standards. Rebuild is
performed only when required by operational consid-
representative of columns A through K on the MAC.
erations or other paramount factors and then only at
the depot maintenance category. Rebuild reduces to
b. Maintenance Category. This column shows
zero the hours or miles the equipment, or compon-
the lowest level of maintenance authorized to use
ent thereof, has been in use.
the special tool or test equipment.
L - SYMBOLS. The uppercase letter placed in
c. Nomenclature. This column lists the name
the appropriate column indicates the lowest level at
or identification of the tool or test equipment.
which that particular maintenance function is to be
d. Tool Number. This column lists the manu-
facturer's code and part number, or Federal stock
d. Tools and Equipment, Column 4. This col-
number of tools and test equipment.
umn is provided for referencing by code the special
tools and test equipment, (Section III), required to
EXPLANATION OF COLUMNS IN SECTION IV.
perform the maintenance functions (Section II).
a. Reference Code. This column consists of
e. Remarks, Column 5. This column is provid-
two letters separated by a dash, both of which are
ed for referencing by code the remarks (Section IV)
references to Section II. The first letter references
pertinent to the maintenance functions.
column 5 and the second letter references a main-
tenance function, column 3, A through K.
EXPLANATION OF COLUMNS IN SECTION III.
a. Reference Code. This column consists of a
number and a letter separated by a dash. The number
b. Remarks. This column lists information
references the T&TE requirements column on the
pertinent to the maintenance function being perform-
MAC. The letter represents the specific maintenance
ed, as indicated on the MAC, Section II.