EXPLANATION OF COLUMNS IN THE MAC, SECTION II

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MAINTENANCE FUNCTIONS - CONTINUED

Rebuild. Consists of those services/actions necessary for the restoration of unserviceable equipment

to a Iike 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.

EXPLANATION OF COLUMNS IN THE MAC, SECTION II

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 of the next

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

Column 2, Component/Assembly. Column 2 contains the names of components, assemblies,

subassemblies, and modules for which maintenance is authorized.

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 Maintenance Functions, page B-l).

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 designations for the various

maintenance categories are as follows:

C - Operator/Crew

O - Organizational Maintenance

F - Direct Support Maintenance

H - General Support Maintenance

L - Specialized Repair Activity (SRA)

D - Depot Maintenance

This maintenance category is not included in Section II, Column 4, of the Maintenance Allocation

Chart. To Identify functions to this category of maintenance, enter a work time figure in the "H" column

of Section 11,, Column 4, and use an associated reference code in the Remarks column, Column 6.

Key the code to Section IV, Remarks, and explain the SRA complete repair application there. The

explanatory remark(s) shall reference the specific Repair Parts and Special Tools List (RPSTL) TM

which contains additional SRA criteria and the authorized spare/repair parts.

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