k. Rebuild. Consists of those services/actions necessary for the restoration of unserviceable equipment to
a like new condition in accordance with original manufacturing standards. Rebuild is the highest degree of
material maintenance applied to Army equipment. The rebuild operation includes the act of returning to zero
those age measurements (hours/miles, etc.) considered in classifying Army equipments/components.
C-3. COLUMN ENTRIES
Columns used in the maintenance allocation chart will be limited to those shown. Entries for those columns
are explained below.
a. Column 1, Group Number. Column 1 lists group numbers, the purpose of which is to identify components,
assemblies, subassemblies, and modules with the next higher assembly.
b. Column 2, Component/Assembly. Column 2 contains the noun names of components, assemblies,
subassemblies, and modules for which maintenance is authorized.
c. Column 3, Maintenance Functions. Column 3 lists the functions to be performed on the item listed in
column 2. (For detailed explanation of these functions, see paragraph C-2).
d. Column 4, Maintenance Level. Column 4 specifies, by the listing of a "work time" figure in the
appropriate subcolumn(s), the lowest level of maintenance authorized to perform the function listed in column
3. This figure represents the active time required to perform the maintenance function at the indicated level of
maintenance. If the number or complexity of the tasks within the listed maintenance function vary at different
maintenance levels, appropriate "work time" figure will be shown for each level. The number of man-hours
specified by the "work time" figure represents the average time required to restore an item (assembly,
subassembly, component, module, end item, or system) to a serviceable condition. The symbol designations for
the various maintenance levels are as follows:
. . . . Operator or Crew
. . Organization Maintenance
. . Direct Support Maintenance
General Support Maintenance
. . . . Depot Maintenance
e. Column 5, Tools and Equipment. Column 5 specifies, by code, those common tool sets (not individual
tools) and special tools, test, and support equipment required to perform the designated function.
f. Column 6, Remarks. Column 6 contains a letter code in alphabetical order which shall be keyed to the
remarks contained in Section IV.
C-4. COLUMN ENTRIES USED IN TOOL AND TEST EQUIPMENT REQUIREMENTS
a. Column 1, Tool or Test Equipment Reference Code. The tool and test equipment reference code
correlates with a maintenance function on the identified end item or component.
b. Column 2, Maintenance Level. The lowest level of maintenance authorized to use the tool or test
c. Column 3, Nomenclature. Name or identification of, the tool or test equipment.
d. Column 4, National/NATO Stock Number. The National or NATO stock number of the tool or test
e. Column 5, Tool Number. The manufacturer's part number.
C-5. EXPLANATION OF COLUMNS IN SECTION IV
a. Reference Code. The code scheme recorded in column 6, Section Il.
b. Remarks. This column lists information pertinent to the maintenance function being performed as
indicated on the MAC, Section Il.