TM 11-6625-3051-12
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
applied to Army equipment. The rebuild operation includes the act of returning to zero those age measurements
(hours, miles, etc.) considered in classifying Army components.
B-3. MAC SECTION II COLUMN EXPLANATIONS.
The column headings used in section II of the MAC are defined as follows:
a.
Column 1, Group /Vumber. Column 1 lists functional group code numbers, the purpose of which is to
identify maintenance significant components, assemblies, subassemblies, and modules with the next higher
assembly. End item group number shall be "00."
b.
Column 2, Component/Assemb/y. Column 2 contains the names of components, assemblies, sub-
assemblies, 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
Column 2. (For detailed explanation of these functions, see paragraph B-2.)
d.
Column 4, Maintenance Category. Column 4 specifies, by the listing of a work time figure in the
appropriate subcolumn(s), the category 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 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
(including any necessary disassembly/assembly time), troubleshooting/fault location time, and quality
assurance/quality control time in addition to the time required to perform the specific tasks identified for the
maintenance functions authorized in the maintenance allocation chart. The symbol designators for the various
maintenance categories are as follows:
Operator or Crew
C
Organizational Maintenance
O
F
Direct Support Maintenance
H
General Support Maintenance
Depot Maintenance
D
e.
Column 5, Tools and Equipment. Column 5 specifies by code, those common tool sets (not individual
tools) and special tools, TM DE, and support equipment required to perform the designated function.
f.
Column 6, Remarks. This column shall, when applicable, contain a letter code, in alphabetical order,
which shall be keyed to the remarks contained in Section IV.
B-4. MAC SECTION Ill, TOOLS AND TEST EQUIPMENT, COLUMN EXPLANATIONS.
The column headings used in MAC section Ill are defined as follows:
a.
Column 1, Reference Code. The tool and test equipment reference code correlates with a code used
in the MAC, section II, Column 5.
B-2
