TM9-2330-368-14 & P
c. Column 3, Maintenance Function. Column
B-2. MAINTENANCE FUNCTIONS (cont)
3 lists the functions to be performed on the item
listed in Column 2. (For detailed explanation of
i. Repair. The application of maintenance
services' or other maintenance actions2 to restore
serviceability to an item by correcting specific
d. Column 4, Maintenance Category. Column
damage, fault, malfunction, or failure in a part,
4 specifies, by the listing of a work time figure in
subassembly, module (component or assembly),
the appropriate subcolumn(s), the category of
end item, or system.
maintenance authorized to perform the function
listed in Column 3. This figure represents the active
j. Overhaul. That maintenance effort (ser-
time required to perform that maintenance func-
vice/action) necessary to restore an item to a com-
tion at the indicated category of maintenance. If
pletely serviceable/operational condition as pre-
the number or complexity of the tasks within the
scribed by maintenance standards in appropriate
listed maintenance function vary at different main-
technical publications (i.e., DMWR). Overhaul is
tenance categories, appropriate work time figures
normally the highest degree of maintenance per-
will be shown for each category. The work time
formed by the Army. Overhaul does not normally
figure represents the average time required to re-
return an item to like new conditions.
store an item (assembly, subassembly, component,
module, end item, or system) to a serviceable con-
k. Rebuild. Consists of those services/actions
dition under typical field operating conditions.
This time includes preparation time, troubleshoot-
equipment to a like new condition in accordance
ing time, and quality assurance/quality control
with original manufacturing standards. Rebuild is
time in addition to the time required to perform
the highest degree of materiel maintenance applied
the specific tasks identified for the maintenance
to Army equipment. The rebuild operation in-
functions authorized in the maintenance allocation
cludes the act of returning to zero those age mea-
chart. The symbol designations for the various
surements (hours/miles, etc.) considered in classify-
maintenance categories are as follows:
ing Army equipments/components.
C
. . . . . . . . . . . . . . . . . . . . . . Operator or crew.
. . . . . . . . . . . . . . . Organizational maintenance.
O
F
. . . . . . . . . . . . . . . Direct support maintenance.
B-3. EXPLANATION OF COLUMNS IN THE
. . . . . . . . . . . . . . General support maintenance.
H
MAC, SECTION II
. . . . . . . . . . . . . . . . . . . . . Depot maintenance.
D
a. Column 1, Group Number. Column 1 lists
e. Column 5, Tools and Equipment. Column
functional group code numbers, the purpose of
5 specifies, by code, those common tool sets (not
which is to identify components, assemblies,
individual tools) and special tools TMDE, and
subassemblies, and modules with the next higher
support equipment required to perform the de-
assembly.
signated function.
b. Column 2, Component/Assembly. Column
f. Column 6, Remarks. This column shall,
2 contains the names of components, assemblies,
when applicable, contain a letter code, in alpha-
subassemblies, and modules for which mainte-
betic order, which shall be keyed to the remarks
nance is authorized.
contained in section IV.
1
Services inspect, test, service, adjust, align, calibrate, or replace.
2
Actions welding, grinding, riveting, straightening, facing, remachining, or resurfacing.
B-2