g. 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 the proper functioning of an equipment or system.
h. 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.
i. 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.
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 a 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
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. End item group number
shall bee "00".
b. Column 2, Component/Assembly. Column 2 contains the names of components,
assemblies, subassemblies and modules for which maintenance is authorized.
c. Column 3, Maintenance Function. Column 3 lists the functions to be performed
(For detailed explanation of these functions, see
on the item listed in Column 2.