TB-9-2320-279-13-P-3
TECHNICAL BULLETIN; TANKER ARMOR MODULE KIT
OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST AND INSTALLATION INSTRUCTIONS)
JANUARY 2007
TB-9-2320-279-13-P-3 - Page 181 of 396
TB 9-2320-279-13&P-3
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EXPLANATION OF COLUMNS IN THE MAC
Column (1) Group Number.
Column (1) lists Functional Group Code (FGC) numbers, the purpose of which is to
identify maintenance significant components, assemblies, subassemblies, and modules with the Next Higher
Assembly (NHA).
Column (2) Component/Assembly.
Column (2) contains the item names of components, assemblies,
subassemblies, and modules for which maintenance is authorized.
Column (3) Maintenance Function.
Column (3) lists the functions to be performed on the item listed in
column (2). (For a detailed explanation of these functions refer to “Maintenance Functions” outlined above).
Column (4) Maintenance Level.
Column (4) specifies each level of maintenance authorized to perform each
function listed in column (3) by indicating work time required (expressed as hours in whole hours or decimals) in
the appropriate subcolumn. This work time figure represents the active time required to perform that maintenance
function at the indicated level of maintenance. If the number or complexity of the tasks within the listed
maintenance function varies at different maintenance levels, appropriate work time figures are to be shown for
each level. 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 (including any necessary disassembly/assembly time), troubleshooting /fault
location time, and quality assurance time in addition to the time required to perform the specific tasks identified for
the maintenance functions authorized in the MAC. The symbol designations for the various maintenance levels are
as follows:
Field:
C = Operator or Crew maintenance
O = Unit maintenance
F = Direct Support maintenance
Sustainment:
L = Specialized Repair Activity
H = General Support maintenance
D = Depot maintenance
NOTE
NOTE
The “L” maintenance level is not included in column (4) of the MAC. Functions to this level of
maintenance are identified by work time figure in the “H” column of column (4), and an
associated reference code is used in the REMARKS column (6). This code is keyed to the
remarks, and the SRA complete repair application is explained there.
Column (5) Tools and Equipment Reference Code.
Column (5) specifies, by code, those common tool sets (not
individual tools), common Test, Measurement, and Diagnostic Equipment (TMDE), and special tools, special
TMDE and special support equipment required to perform the designated function. Codes are keyed to the entries
in the tools and test equipment table.
Column (6) Remarks Code.
When applicable, this column contains a letter code, in alphabetical order, which is
keyed to the remarks table entries.
END OF WORK PACKAGE
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