Explanation of Columns in the MAC, Section II

TM 10-3930-632-12

Overhaul.

typical field operating conditions. This time includes

That maintenance effort

preparation

time

(including

any

necessary

(service/action) prescribed to restore an item to a

disassembly/assembly

time,

troubleshooting/fault

completely serviceable/operational condition as required

location time, and quality assurance/quality control time

by maintenance standards in appropriate technical

in addition to the time required to perform a specific task

publication (i.e., DMWR). Overhaul is normally the

identified for the maintenance functions authorized in

highest degree of maintenance performed by the Army.

the maintenance allocation chart.

The symbol

Overhaul does not normally return an item to like-new

designations for the various maintenance categories are

condition.

k. Rebuild. Consists of those services/actions

as follows:

C - Operator or Crew

necessary for the restoration of unserviceable

O - Organizational Maintenance

equipment to a like-new condition in accordance with

F - Direct Support Maintenance

original manufacturing standards. Rebuild is the highest

H - General Support Maintenance

degree of material maintenance applied to Army

D - Depot Maintenance

equipment. The rebuild operation includes the act of

e. Column 5, Tools and Equipment. Column 5

returning to zero those age measurements (hours/miles,

specifies by code, those common tool sets (not

etc.)

considered

classifying

Army

individual tools) and special tools, TMDE, and support

equipment/components.

equipment required to perform the designated function.

f. Column 6, Remarks. This column shall, when

B-3. Explanation of Columns in the MAC, Section II

a. Column 1, Group Number. Column 1 lists

applicable, contain a letter code, in alphabetical order,

which shall be keyed to the remarks contained in

functional group code numbers, the purpose of which is

Section IV.

to identify maintenance significant components,

assemblies, subassemblies, and modules with the next

B-4.

Explanation of Columns in Tool and Test

higher assembly. End item group number shall be "00".

Equipment Requirements, Section III

b. Column 2, Component/Assembly. Column 2

a. column 1, Reference Code. The tool and test

contains the names of components, assemblies,

subassemblies, and modules for which maintenance is

equipment reference code correlates with a code used

authorized.

in the MAC, Section II, Column 5.

c. Column 3, Maintenance Function. Column 3

b. Column 2, Maintenance Category. The lowest

lists the function to be performed on the item listed in

category of maintenance authorized to use the tool or

Column 2. (For detailed explanation of these functions,

test equipment.

Column 3, Nomenclature.

see paragraph C-2).

Name or

d. Column 4, Maintenance Category. Column 4

identification of the tool or test equipment.

d. Column 4, National Stock Number. The

specifies, by the listing of a worktime figure in the

appropriate subcolumns, the category of maintenance

National stock number of the tool or test equipment.

e. Column 5, Tool Number. The manufacturer's

authorized to perform the function listed in column 3.

This figure represents the active time required to

part number.

perform that maintenance function at the indicated

B-5. Explanation of Columns in Remarks, Section

category of maintenance. If the number or complexity

of the task within the listed maintenance function vary at

Column 1, Reference Code.

different maintenance categories, appropriate worktime

The code

figures will be shown for each category. The worktime

recorded in column 6, Section II.

figure represents the average time required to restore

Column 2, Remarks.

This column lists

an item (assembly, subassembly, component, module,

information pertinent to the maintenance function being

end item, or system) to a serviceable condition under

performed as indicated in the MAC, Section II.

Change 2 B-2