TM-9-2330-202-13-P
TRAILER, CARGO, 3/4-TON, 2-WHEEL: M101A1, M101A2 AND M101A3; TRAILER, CHASSIS, 3/4-TON, 2-WHEEL: M116A1 AND M116A2; TRAILER, CHASSIS, 1-TON, 2-WHEEL: M116A3
TECHNICAL MANUAL; OPERATOR AND FIELD MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
DECEMBER 2011
TM-9-2330-202-13-P - Page 517 of 552
THE ARMY MAINTENANCE SYSTEM MAC - Continued
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 manhours 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 Crew maintenance
F Maintainer maintenance
Sustainment:
L Specialized Repair Activity (SRA)
H Below depot maintenance
D Depot maintenance
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.
EXPLANATION OF COLUMNS IN THE TOOLS AND TEST EQUIPMENT REQUIREMENTS
Column (1) - Tool or Test Equipment Reference Code. The tool or test equipment reference code correlates with a
code used in column (5) of the MAC.
Column (2) - Maintenance Level. The lowest level of maintenance authorized to use the tool or test equipment.
Column (3) - Nomenclature. Name or identification of the tool or test equipment.
Column (4) - National Stock Number (NSN). The NSN of the tool or test equipment.
Column (5) - Tool Number. The manufacturer's part number.
TM 9-2330-202-13&P
0110
0110-3
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