k. Rebuild. Consists of those services/actions
chart. The symbol designations for the various
necessary for the restoration of unserviceable
maintenance categories are as follows:
equipment to a like-new condition in accordance
C Operator or Crew
with original manufacturing standards. Rebuild is
O organizational Maintenance
the highest degree of materiel maintenance applied
F Direct Support Maintenance
to Army equipment. The rebuild operation in-
H -- General Support Maintenance
cludes the act of returning to zero those age meas-
D Depot Maintenance
urements (hours/miles, etc.) considered in classify-
e. Column 5, Tools and Equipment. Column 5
ing Army equipment/components.
specifies by code, those common tool sets (not
D-3. Explanation of Columns in the MAC,
individual tools) and special tools, TMDE, and
support equipment required to perform the desig-
a. Column 1, Group Number. Column 1 lists
functional group code numbers, the purpose of
f. Column 6, Remarks. This column shall, when
which is to identify maintenance significant com-
applicable, contain a letter code, in alphabetical
ponents, assemblies, subassemblies, and modules
order, which shall be keyed to the remarks con-
with the next higher assembly, End item group
tained in Section IV.
number shall be "00".
D-4. Explanation of Columns in Tool and Test
b. Column 2, Component/Assembly. Column 2
Equipment Requirements, Section III
contains the names of components, assemblies,
subassemblies, and modules for which maintenance
a. Column 1, Reference Code. The tool and test
equipment reference code correlates with a code
used in the MAC, Section II, Column 5.
c. Column 3, Maintenance Function. Column 3
lists the function to be performed on the item
listed in Column 2. (For detailed explanation of
b. Column 2, Maintenance Category. The lowest
these functions, see paragraph D-2).
category of maintenance authorized to use the tool
or test equipment.
d. Column 4, Maintenance Category. Column 4
specifies, by the listing of a worktime figure in the
c. Column 3, Nomenclature. Name or identifi-
appropriate subcolumns, the category of mainte-
cation of the tool or test equipment.
nance authorized to perform the function listed in
column 3. This figure represents the active time
d. Column 4, National Stock Number. The Na-
required to perform that maintenance function at
tional stock number of the tool or test equipment.
the indicated category of maintenance. If the
number or complexity of the task within the listed
e. Column 5, Tool Numher. The manufacturer's
maintenance function vary at different mainte-
nance categories, appropriate worktime figures will
be shown for each category. The worktime figure
represents the average time required to restore an
item (assembly, subassembly, component, module,
D-5. Explanation of Columns in Remarks,
end item, or system) to a serviceable condition
under typical field operating conditions. This time
includes preparation time (including any necessary
a. Column 1, Reference Code. The code record-
disassemble y/assembly time), troubleshooting/fault
ed in column 6, Section II.
location time, and quality assurance/quality con-
trol time in addition to the time required to per-
b. Column 2, Remarks. This column lists infor-
form specific tasks identified for the maintenance
mation pertinent to the maintenance function be-
functions authorized in the maintenance allocation
ing performed as indicated in the MAC, Section II.