TM5-1080-200-13&P
B-3. EXPLANATION OF COLUMNS IN THE MAC, SECTION II.
a.
Column 1, Group Number. Column 1 lists group numbers, the purpose of
which is to identify components, assemblies, subassemblies, and mod-
ules with the next higher assembly.
Column 2, Component/Assembly. Column 2 contains the names of
b.
components, assemblies, subassemblies, and modules for which main-
tenance is authorized.
Column 3, Maintenance Functions. Column 3 lists the functions to be
c.
performed on the item listed in column 2. (For detailed explanation of
these functions, see para. B-2.)
Column 4, Maintenance Level. Column 4 specifies, by the listing of a
d.
"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 the maintenance
function at the indicated level of maintenance. If the number or complex-
ity of the tasks within the listed maintenance function vary at different
maintenance levels, appropriate "work time" figures will be shown for
each level. The number of man-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. The symbol designations for the various maintenance
levels are as follows:
C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .Operator or crew.
O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Organization maintenance.
F . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Direct support maintenance.
H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General support maintenance.
D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Depot maintenance.
Column 5, Tools and Equipment. Column 5 specifies, by code, those
e.
common tool sets (not individual tools) and special tools, TM DE, and
support equipment required to perform the designated function.
f.
Column 6, Remarks, This column shall, when applicable, contain a letter
code, in alphabetic order, which shall be keyed to the remarks contained
in Section IV.
B-3
