APPENDIX D MAINTENANCE ALLOCATION CHART

TM 32-5410-215-14&P

APPENDIX D

MAINTENANCE ALLOCATION CHART

Section I. INTRODUCTION

maintenance performed by the Army. Overhaul does not

D-1 GENERAL.

normally return an item to like new condition.

a. This section provides a general explanation of all

D-3

EXPLANATION OF COLUMNS IN THE MAC,

maintenance and repair functions authorized at various

maintenance levels.

SECTION II.

b. The Maintenance Allocation Chart (MAC) in

Section II designates overall responsibility for the

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

performance of maintenance functions on the identified

numbers, the purpose of which is to identify components,

end item or component. The implementation of the

assemblies, subassemblies, and modules with the next

maintenance functions upon the end item or component

higher assembly.

will be consistent with the assigned maintenance

b. Column 2, Component/Assembly.

Column 2

functions.

contains the names of components, assemblies,

c. Section III lists the special tools and test

subassemblies, and modules for which maintenance is

equipment required for each maintenance function as

authorized.

referenced from Section II.

c. Column 3, Maintenance Function. Column 3 lists

d. Section IV contains supplemental instructions

the functions to be performed on the item listed in column 2.

and explanatory notes for a particular maintenance

(For detailed explanation of these functions, see para D-2).

function.

d. Column 4, Maintenance Level. Column 4 specifies,

by the listing of a "work time" figure in the appropriate

D-2 MAINTENANCE FUNCTIONS.

subcolumn(s), the lowest level of maintenance authorized to

perform the function listed in column 3.

This figure

a. Inspect. To determine the serviceability of an

represents the active time required to perform the

maintenance function at the indicated level of maintenance.

item by comparing its physical, mechanical and/or

If the number or complexity of the tasks within the listed

electrical characteristics with established standards

maintenance function vary at different maintenance levels,

through examination.

b. Test. To verify serviceability and detect incipient

appropriate "work time" figures will be shown for each level.

The number of man-hours specified by the "work time"

failure by measuring the mechanical or electrical

figure represents the average time required to restore an

characteristics of an item and comparing those

item (assembly, subassembly, component, module, end

characteristics with prescribed standards.

item, or system) to a serviceable condition under typical

c. Service. Operations required periodically to

field operating conditions. This time includes preparation

keep an item in proper operating condition; i.e., to clean

time, troubleshooting time, and quality assurance/quality

(decontaminate), to preserve, to drain, to paint, or to

control time in addition to the time required to perform the

replenish fuel, lubricants, hydraulic fluids, or compressed

specific tasks identified for the maintenance functions

air supplies.

authorized in the MAC. The symbol designations for the

d. Install. The act of emplacing, seating, or fixing

various maintenance levels are as follows:

into position an item, part, or module (component or

assembly) in a manner to allow the proper functioning of

C ........................................................................ Operator/Crew

an equipment or system.

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

e. Replace. The act of substituting a serviceable

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

like type part, subassembly, or module for an

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

unserviceable counterpart.

D ................................................................ Depot maintenance

f: Repair. The application of maintenance services

or other maintenance actions to restore serviceability to

e. Column 5, Tools and Equipment.

Column 5

an item by correcting specific damage, fault, malfunction,

specifies, by code, those common tool sets (not individual

or failure in a part, subassembly, module (component or

tools) and special tools, Test, Measurement, and Diagnostic

assembly), and item, or system.

Equipment (TMDE), and support equipment required to

g. Overhaul.

That

maintenance

effort

perform the designated function.

(services/actions) necessary to restore an item to a

completely serviceable/ operational condition as

prescribed by maintenance standards; i.e., Depot

Maintenance Work Requirement in appropriate technical

publications. Overhaul is normally the highest degree of

D-1