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 materiel 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
Column Entries Used in the MAC.
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.
Column 2, Component/Assembly.
Column 2 contains the names of
components, assemblies, subassemblies, and modules for which main-
tenance is authorized.
Column 3 lists the functions
Column 3, Maintenance Functions.
to be performed on the item listed in column 2.
(For detailed expla-
nation of these functions, see paragraph B-2.)
Column 4, Maintenance Level.
Column 4 specifies, by the list-
ing of a work time figure in the appropriate subcolumn(s), the lowest
level of maintenance authorized to perform the function listed in
This figure represents the active time required to perform
the maintenance function at the indicated level of maintenance. If
the number of complexity of the tasks within the listed 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 figures 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)