EXPLANATION OF COLUMNS IN THE MAC, SECTION Il.

B-2

TM 3-4230-209-20&P

B-3. EXPLANATION OF COLUMNS IN THE MAC, SECTION Il.

e. Column 5, Tools and Equipment. Column 5 specifies, by code, those

common tool sets (not individual tools) and special tools, TMDE, and support

a. Column 1, Group Number. Column 1 lists functional group code num-

equipment required to perform the designated function.

bers, the purpose of which is to identify maintenance significant components,

f. Column 6, Remarks. This column shall, when applicable, contain a let-

assemblies, subassemblies, and modules with the next higher assembly. End

ter code, in alphabetic order, which shall be keyed to the remarks contained in

item group number shall be "00."

section IV.

b. Column 2, Component/Assembly Column 2 contains the names of

components, assemblies, subassemblies, and modules for which maintenance

B-4. EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT

is authorized.

REQUIREMENTS, SECTION Ill.

c. Column 3, Maintenance Function. Column 3 lists the functions to be

performed on the item listed in column 2. (For detailed explanation of these

a. Column 1, Reference Code. The tool and test equipment reference

functions, see paragraph B-2.)

code correlates with a code used in the MAC, section II, column 5.

d. Column 4, Maintenance Level. Column 4 specifies, by the listing of a

b. Column 2, Maintenance Level. The lowest level of maintenance autho-

work time figure in the appropriate subcolumn(s), the level of maintenance

rized to use the tool or test equipment.

authorized to perform the function listed in column 3. This figure represents the

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

active time required to perform that maintenance function at the indicated level

equipment.

of maintenance. If the number or complexity of the tasks within the listed

d. Column 4, National Stock Number. The National stock number of the

maintenance function vary at different maintenance levels, appropriate work

tool or test equipment.

time figures will be shown for each level. The work time figure represents the

e. Column 5, Tool Number. The manufacturer's part number.

average time required to restore an item (assembly, subassembly, component,

module, end item, or system) to a serviceable condition under typical field

B-5. EXPLANATION OF COLUMNS IN REMARKS, SECTION IV.

operating conditions. This time includes preparation time (including any neces-

a. Column 1, Reference Code. The code recorded in column 6, section Il.

sary disassembly/assembly time), troubleshooting/fault location time, and qual-

b. Column 2, Remarks. This column lists information pertinent to the

ity assurance/quality control time in addition to the time required to perform the

maintenance function being performed as indicated in the MAC, Section Il.

specific tasks identified for the maintenance functions authorized in the mainte-

nance allocation chart. The symbol designations for the various maintenance

levels are as fallows:

C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . .. Operator or Crew

O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unit Maintenance

F . . . . . . . . . . . . . . . . . . . . . . . . . . .Intermediate Direct Support Maintenance

H . . . . . . . . . . . . . . . . . . . . . . . . . I.ntermediate General Support Maintenance

Specialized Repair Activity (SRA)