TM 10-8340-240-12&P
0020 00-3 Change 1
MODULAR GENERAL PURPOSE TENT SYSTEM (MGPTS) 0020 00
MAINTENANCE ALLOCATION CHART (MAC)
EXPLANATION OF COLUMNS IN THE MAC
a. Column 1, Group Number. Column I lists functional group code numbers, the purpose of
which is to identify maintenance significant components, assemblies, subassemblies, and
modules with the next higher assembly.
b. Column 2, Component/Assembly. Column 2 contains the item names of components,
assemblies, subassemblies, and modules for which maintenance is authorized.
c. Column 3. Maintenance Functions. Column 3 lists the functions to be performed on the
item listed in Column 2. (For detailed explanation of these functions, see maintenance
functions in WP 0020 00).
d. 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
man-hours in whole hours or decimals) in the appropriate sub-column. 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 vary 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 maintenance allocation chart. The symbol designations for the various maintenance
levels are as follows:
COperator or crew maintenance
OUnit maintenance
FDirect support maintenance
LSpecialized Repair Activity (SRA)
HGeneral support maintenance
DDepot maintenance
e. Column 5. Tools and Test Equipment Reference Code. Column 5 specifies by code, those
common tool sets (not individual tools), common TMDE, and special tools, special TMDE,
and special support equipment required to perform the designated function. Codes are
keyed to tools and test equipment in Table 0020 00-2.
f.
Column 6, Remarks. When applicable, this column contains a letter code, in
alphabetical order, which is keyed to the remarks contained in Table 0020 00-3.
