Section II. MAINTENANCE ALLOCATION CHART

TM 10-3930-633-12

c. Column 3, Maintenance Function, Col-

vidual tools) and special tools, TMDE, and support

umn 3 lists the functions to be performed on the item

equipment required to perform the designated func-

listed in Column 2. (For a detailed explanation of

tion.

these functions, see paragraph B-2.)

f. Column 6, Remarks. This column shall,

d. Column 4, Maintenance Level. Column 4

when applicable, contain a letter code, in alphabetic

specifies, by the listing of a work time figure in the

order, which shall be keyed to the remarks contained

appropriate subcolumn(s), the level of maintenance

in Section IV.

authorized to perform the function listed in Column 3.

This figure represents the active time required to per-

B-4.

Explanation of Columns in Tool and Test

form that maintenance function at the indicated level

Equipment Requirements, Section III

of maintenance. If the number or complexity of the

a. Column 1, Tool or Test Equipment Refer-

tasks within the listed maintenance function vary at

ence Code. The tool and test equipment reference

different maintenance levels, appropriate work time

code correlates with a code used in the MAC, Section

figures will be shown for each level. The work time

II, Column 5:

figure represents the average time required to restore

an item (assembly, subassembly, component, module,

b. Column 2, Maintenance Level, The lowest

end item, or system) to a serviceable condition under

level of maintenance authorized to use the tool or test

typical field operating conditions. This time includes

equipment.

preparation time (including any necessary disassem-

c. Column 3, Nomenclature. Name or identi-

bly/assembly time), troubleshooting/ fault location

fication of the tool or test equipment.

time, and quality assurance/quality control time in ad-

d. Column 4, National/NATO Stock Num-

dition to the time required to perform the specific

ber. The National or NATO Stock Number of the tool

tasks identified for the maintenance functions author-

or test equipment.

ized in the Maintenance Allocation Chart. The

symbol designations for the various maintenance lev-

e. Column 5, Tool Number. The manufac-

els are as follows:

turer's part number.

Operator or Crew

B-5.

Explanation of Columns in Remarks, Sec-

Organizational Maintenance

tion IV

Direct Support Maintenance

a. Column 1, Reference Code. The code re-

General Support Maintenance

corded in Column 6, Section II.

Depot Maintenance

b. Column 2, Remarks. This column lists in-

formation pertinent to the maintenance function

e. Column 5, Tools and Equipment. Column

being performed as indicated in the MAC, Section II.

5 specifies, by code, those common tool sets (not indi-

Section Il.

Group

Number

B-2

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