B-3. EXPLANATION OF COLUMNS IN THE MAC, SECTION II - CONTINUED.
d. Column 4, Maintenance Category. Column 4 specifies, by the listing of a worktime figure in the
appropriate subcolumn, 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 mainte-
nance function vary at different maintenance categories, appropriate worktime figures will be shown
for each category. The worktime 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 time, 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 Maintenance Allocation Chart, The symbol designations for the various
maintenance categories are as follows:
Operator or Crew
e. Column 5, Tools and Equipment. Column 5 specifies, by code, those common tool sets (not
individual tools) and special tools, TM DE, and support equipment required to perform the designated
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. EXPLANATION OF COLUMNS IN TOOLS AND TEST EQUIPMENT REQUIREMENTS, SECTION Ill.
a. Column 1, Reference Code. The tools and equipment reference code correlates with the code
used in the MAC, section II, column 5.
b. Column 2, Maintenance Category. The lowest category of maintenance authorized to use the
tool or test equipment.
c. Column 3, Nomenclature. Name or identification of the tool or test equipment.
d. Column 4, National Stock Number. The national stock number of the tool or test equipment.
e. Column 5, Tool Number. The manufacturer's part number.
B-5. EXPLANATION OF COLUMNS IN REMARKS, SECTION IV.
a. Column 1, Reference Code. The code recorded in column 6, section Il.
b. Column 2, Remarks. This column lists information pertinent to the maintenance function being
performed as indicated in the MAC, section Il.