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
materiel maintenance applied to Army equipment. The rebuild operation includes the act of returning to zero
those age measurements (hours/miles, etc.) consideration in classifying Army equipment/components.
3. Column Entries
Columns used in the maintenance allocation chart are explained below:
a. Columm 1, Group Number: Column 1 lists group numbers, the purpose of which is to identify com-
ponents, 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 Function Column 3 lists the functions to be performed on the item listed in
d. Column 4, Maintenance Category: Colunn 4 specifies, by the listing of a "work item" figure in the ap-
propriate 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 that maintenance function at the indicated
category of maintenance. If the number or complexity of the tasks within the listed maintenance function
vary at different maintenance categories, appropriate "work time" figures will be shown for each category.
The number of manhours 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 under
typical field operating conditions. This time includes preparation time, troubleshooting time, and quality
assurance/quality control item in addition to the time required to perform the specified tasks identified for the
maintenance functions authorized in the Maintenance Allocation Chart.
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 an alphabetic code which leads to the remark in Section IV,
Remarks, which is pertinent to the item opposite the particular code.