Explanation of Clumns in the MAC Section II

TM 11-6625-3056-12

SECTION I. INTRODUCTION (cont)

Remove/Install. To remove and install the same item when required to perform service or

other maintenance functions. Install may be the act of emplacing, seating, or fixing into

position a spare, repair part, or module (component or assembly) in a manner to allow proper

functioning of an equipment or system.

g. Replace. To remove an unserviceable item and install a serviceable counterpart in its place.

Replace is authorized by the MAC and is shown as the 3d position code of the SMR code. h.

Repair. The application of maintenance services including fault location/troubleshooting

removal/installation, and disassembly/assembly procedures, and maintenance actions to

identify troubles 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.

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.

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 material 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.

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Explanation

a. Column 1, Group Number. This column lists functional group code numbers, the purpose

of Columns

of which is to identify maintenance significant components, assemblies, subassemblies, and

in the MAC,

modules with the next higher assembly. End item group number shall be "00."

b. Column 2, Component/Assembly. This column contains the names of components,

assemblies, subassemblies, and modules for which maintenance is authorized.

Column 3, Maintenance Function. This column lists the functions to be performed on the item

listed in column 2. (For detailed explanation of these functions, see paragraph B-2.)

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