EXPLANATION OF COLUMNS IN THE MAC, SECTION II (CONT)

TM 9-2320-285-24-2

B-3. EXPLANATION OF COLUMNS IN THE MAC, SECTION II (CONT)

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, 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/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:

C .........................................Operator/crew

O.........................................Organizational maintenance

F .........................................Direct support maintenance

H .........................................General support maintenance

e. Column 5 - Tools and Equipment. Column 5 specifies, 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 alphabetic order, which shall be

keyed to the remarks contained in Section IV.

B-4. EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT REQUIREMENTS, SECTION III

a. Column 1 - Reference Code. The tool and test equipment reference code correlates with a 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 II.

b. Column 2 - Remarks. This column lists information pertinent to the maintenance function being performed as

indicated in the MAC, Section II.

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