TM 9-6140-200-14
d. Column 4, Maintenance category. Column 4 specifies, by the listing of a work
time figure in the appropriate subcolumn (s), the category of maintenance
authorized to perform the function listed in column 3. This figure represents
the active time required to perform that maintenance function at the indicated
category of maintenance. If the number or complexity of the tasks within the
listed maintenance function vary at different maintenance categories,
appropriate work time figures will be shown for each category. The work time
figure represents the average time required to restore an item (assembly,
subassembly, components, 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, and quality assurance/quality control 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
various maintenance categories are listed below:
C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Operator/Crew
O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unit Maintenance
F . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Direct Support
H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .General Support
D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Depot
e. Column 5, Tolls and Equipment. Column 5 specifics, by code, those common
tool sets (not individual tools) and special tools, TMDE, and support equipment
required to perform the designated function.
f. Column 6, Remarks. This column shall, when applicable, contain a letter code
in alphabetical order, that shall be keyed to the remarks contained in section IV.
B-4
