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

TM 55-1730-228-13&P

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:

................................ .......................

Operator or Crew

................................ .......................

Organizational Maintenance

................................ .......................

Direct Support Maintenance

................................ .......................

Depot 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. The "O" code

corresponds to Organizational Maintenance and the "F" code corresponds to Direct Support Maintenance.

c. Column 3, Nomenclature. Name or identification of the tool.

d. Column 4, National Stock Number. The National Stock Number of the tool.

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.

B-3