To remove all unserviceable item and install a serviceable Counterpart in its place.
"Replace" is authorized by\ the MAC and is shown as the third (3)
position code of the SMR code.
The application of maintenance services (inspect, test, service. adjust, align calibrate, or
replace) or other maintenance actions (welding, grinding, riveting, straightening, facing, re-machining, or
resurfacing) to restore serviceabilty
to an item by, correcting specific damage, fault, malfunction, or
failure in a part, subassembly. module (component or assembly), and item or system.
That maintenance effort service/action necessarv to restore an item to a completely
condition as prescribed by maintenance standards in appropriate technical
publications i.e., Depot Maintenance Work Requirements (DMWR).
Overhaul is normally the highest
degree of maintenance performed by the Army. Overhaul does not normally return an item to like new
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
a. Column 1, Group Number.
Column 1 lists functional group code numbers, the purpose of
which is to identify components, assemblies, subassemblies. and modules with the next higher assembly.
Column 2, Component/Assembly.
Column 2 contains the names of components, assemblies,
subassemblies, and modules for which maintenance is authorized.
c. Column 3, Maintenance
Column 3 lists the functions to be performed on the item
listed in column 2. For detailed explanation of these functions, see paragraph B-2.
Column 4, Maintenance
Column 4 specifies, by listing 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 maintenance category level. If the complexity of the maintenance tasks within the listed
function varies at different maintenance categories, appropriate work time figures are shown for each
category. The work time figure represents the averagle 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, but is not limited to, preparation time (including any necessary
disassembly/assembly time), troubleshooting
tirne, 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
Operator or Crew.
Direct Support Maintenance.
General Support Maintenance.