TM 10-1670-262-12&P
i.
Repair.
The application of maintenance services, including fault location/troubleshooting, removal
installation, and disassembly/assembly procedures, and maintenance actions to identify trouble and restore serviceability
to an item by correcting specific damage, fault, malfunction, or failure in a part, subassembly, module (component or
assembly), end item, or system.
j.
Overhaul. That maintenance effort (service/action) prescribed to restore an item to a completely
serviceable/operational condition as required by maintenance standards in appropriate technical publications (i.e.,
DMWR). Overhaul is normally the highest degree of maintenance performed by the Army. Overhaul does not normally
return an item to like new condition.
k.
Rebuild. Consists of those services/actions necessary for the restoration of unserviceable equipment to 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 equipment/components.
B-3. Explanation of Columns In the MAC, Section II.
a.
Column 1. Group Number. 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.
b.
Column 2. Component/Assembly. 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, refer to paragraph B-2.)
d.
Column 4. Maintenance Level. Column 4 specifies, by the listing of a work time figure in the appropriate
subcolumn(s), the level of maintenance authorized to perform the function listed in Column 3. This figure represents the
active time required to perform the function listed in 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 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
designations for the various maintenance categories are as follows:
C .........................................................................................
Operator
O .........................................................................................
Unit Maintenance
F .........................................................................................
Direct Support Maintenance
F ..........................................................................................
Direct Support Maintenance
H .........................................................................................
General Support Maintenance
L ..........................................................................................
Specialized Repair Activity (SRA)
D .........................................................................................
Depot Maintenance
e.
Column 5. Tools and Equipment. Column 5 specifies, by code, those common tool sets (not individual tools)
and special tools, TMDE, and support equipment required to perform the designated function.
f.
Column 6. Remarks. This column shall, when applicable, contain a letter code, in alphabetic order, which
shall be keyed to the remarks contained in Section IV.
B-4. Explanation of Columns In Tool and Test Equipment Requirements, Section III.
a.
Column 1. Tool or Test Equipment Reference Code. The tool and test equipment reference code correlates
with a code used in the MAC, Section II, Column 5.
b.
Column 2. Maintenance Category. The lowest category of maintenance authorized to use the tool or test
equipment.
B-2
