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Page Title:
EXPLANATION OF COLUMNS IN THE MAC,SECTION II. |
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 TM 3-4240-284-20&P
tasks identified for the maintenance functions
k. Rebuild. Consists of those serviced
authorized in the maintenance allocation
actions necessary for the restoration of un-
chart. The symbol designations for the various
serviceable equipment to a like new condi-
maintenance categories are as follows
tion in accordance with original manufac-
turing standards. Rebuild is the highest de-
C Operator or crew.
gree of materiel maintenance applied to
O Organizational maintenance.
Army equipment. The rebuild operation in-
F Direct support maintenance.
cludes the act of returning to zero those age
H General support maintenance.
measurements (hours/miles, etc) considered
D Depot maintenance.
in classifying Army equipment
e. Column 5, Tools and Equipment. Column
components.
5 specifies, by code, those common tool sets
(not individual tools) and special tools,
B-3. EXPLANATION OF COLUMNS IN THE
TMDE, and support equipment required to
MAC, SECTION II.
perform the designated function.
a Column 1, Group Number. Column 1 lists
f. Column 6, Remarks. This column shall,
fictional group code numbers, the purpose
when applicable, contain a letter code, in
of which is to identify components, as-
alphabetic order, which shall be keyed to the
semblies, subassemblies, and modules with
remarks contained in Section IV.
the next higher assembly.
B-4. EXPLANATION OF COLUMNS IN TOOL
b.
Column 2, Component/Assembly. Column
AND TEST EQUIPMENT REQUIRE-
2 contains the names of components,
MENTS, SECTION III.
assemblies, subassemblies, and modules for
which maintenance is authorized.
a. Column 1, Reference Code. The tool and
test equipment reference code correlates
Column 3, Maintenance Function. Column
c.
with a code used in the MAC, Section II,
3 lists the functions to be performed on the
Column 5.
item listed in Column 2. (For detailed
b. Column 2, Maintenance Category. The
explanation of these functions, see
lowest category of maintenance authorized
to use the tool or test equipment.
d.
Column 4, Maintenance Category. Col-
c. Column 8, Nomaclature. Name or
umn 4 specifies, by the listing of a work time
identification of the tool or test equipment.
figure in the appropriate subcolumn(s), the
d. Column b, National Stock Number. T h e
category of maintenance authorized to per-
National stock number of the tool or test
form the function listed in Column 3. This
equipment.
figure represents the active time required to
e. Column 5, Tool Number. The manufac-
perform that maintenance function at the
turer's part number.
indicated category of maintenance. If the
number or complexity of the tasks within
B-5. EXPLANATION OF COLUMNS IN RE-
the listed maintenance function vary at dif-
MARKS, SECTION IV.
ferent maintenance categories, appropriate
work time figures will be shown for each
a. Column 1, Reference Code. The code re-
category. The work time figure represents
corded in column 6, Section II.
the average time required to restore an item
b. Column 2, Remarks. This column lists
(assembly, subassembly, component, mod-
information pertinent to the maintenance
ule, end item, or system) to a serviceable
function being performed as indicated in the
condition under typical field operating con-
MAC, Section II.
ditions. This time includes preparation
time, troubleshooting time, and quality
assurance/quality control time in addition to
the time required to perform the specific
B-2
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