i. Repair. The application of maintenance services (inspect, test, service, adjust, calibrate,
replace) or other maintenance actions (welding, grinding, riveting, straightening, facing,
remachining, or resurfacing) to restore serviceability to an item by correcting specific damage,
fault, malfunction, or failure in a part, subassembly, module (component or assembly), end item,
j. Overhaul. That maintenance effort (service/action) necessary to restore an item to a
completely serviceable/operational condition as prescribed by maintenance standard (i.e., DMWR)
in appropriate technical publications. 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
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 equipments/components.
a. Column 1, Group Number. Column 1 lists ground numbers, the purpose of which is to
identify components, assemblies, subassemblies, and modules with the next higher assembly.
b. Column 2, Component/Assembly. Column 2 contains the noun names of components,
assemblies, subassemblies, and modules for which maintenance is authorized.
c. Column 3, Maintenance Functions. Column 3 lists the functions to be performed on the
item listed in column 2. When items are listed without maintenance functions, it is solely for
purpose of having the group numbers in the MAC and RPSTL coincide.
d. Column 4, Maintenance Category. Column 4 specifies, by the listing of a "work time" figure
in the appropriate subcolumn(s), the lowest level 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 number of task-hours
specified by 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, troubleshooting
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. Subcolumns of column 4 are as follows:
C - Operator/Crew
O - Organizational
F - Direct Support
H - General Support
D - Depot