Explanation of Format.

TM 9-1270-212-14&P

in the field. The skill levels used to obtain the measurement

C-3. Explanation of Format.

times will approximate those found in typical TOE units.

Active repair time specified is the average aggregate time to

Purpose and use of the format areas follows and will be

restore an item (subassembly, assembly, component,

explained in the introductory portion of the MAC.

module, end item, or system) to a serviceable condition

under typical field operating conditions. This time includes

a. Column 1. Group Number. Column 1, lists group

preparation time, fault isolation/diagnostic time, and

numbers, the purpose of which is to identify components,

quality assurance/quality control time in addition to the

assemblies, subassemblies, and modules with the next

time required to perform specific maintenance functions

higher assembly.

identified for the tasks authorized in the maintenance

allocation chart. This time may be the established time

b. Column 2. Functional Group. Column 2, lists the

standard developed through maintenance engineering

next higher assembly group and the item names of

analysis, or cart be derived from the calculation of a

components, assemblies, subassemblies, and modules within

statistically weighted time estimate incorporating the

the group for which maintenance is authorized.

optimistic (a), most likely (m), and pessimistic (b)

estimated for the work to be accomplished using the

c. Column 3. Maintenance Functions. Column 3, lists

formula:

the twelve maintenance functions defined in C-2 above.

Each maintenance function required for an item shall be

specified by the symbol among those listed in d below

which indicates the level responsible for the required

maintenance. Under this symbol there shall be listed an

appropriate work measurement time value determined as

This time will be expressed in man-hours and carried to one

indicated in e below.

decimal place (tenths of hours).

d. Use of Symbol The following symbols will be used:

f. Column 4. Tools and Equipment. This column will

C - Operator/crew

be used to specify, by code, those tools and test equipment

required to perform the designated function.

O Organizational

F - Direct support (intermediate)

H - General Support

NOTE

D - Depot

A table, suitably coded and explained, listing

e. Work Measurement Time. The active repair time

the tool, test, and support equipment required

by the level to perform the maintenance

required to perform the maintenance function will be

functions will be included as a complement to

included directly below the symbol identifying the category

the MAC.

of maintenance. The manpower figures will be developed

under conditions (real or simulated) corresponding to those

g. Column 5. Remarks. Self-explanatory.

that would be considered normal for TOE units operating

C-2