APPENDIX C. MAINTENANCE ALLOCATION CHART

TB 43-0106

APPENDIX C

MAINTENANCE ALLOCATION CHART

Section I. INTRODUCTION

C--

Operator or crew

C-1. General

O--

Organizational maintenance

a. This section provides a general explanation of all

F--

Direct support maintenance

maintenance and repair functions authorized at various

H--

General support maintenance

maintenance levels.

D--

Depot maintenance

b. Section II designates overall responsibility for the

performance of maintenance operations on the identified

The maintenance functions are defined as follows:

end item or component. The implementation of the

maintenance tasks upon the end item or component will

A--Inspect:

Verify serviceability and detect incipient

be consistent with the assigned maintenance operations.

electrical or mechanical failure by close

visual examination.

c. Section III lists the special tools and test

B--Test:

Verify serviceability and detect incipient

equipment required for each maintenance operation as

electrical or mechanical failure by

referenced from Section II.

measuring the mechanical or electrical

d. Section IV contains supplemental instructions,

characteristics of the item and

explanatory notes and/or illustrations required for a

comparing those characteristics with

particular maintenance function.

authorized standards. Tests will be

made to commensurate with test

procedures and with calibrated tools

C-2. Explanation of Columns in Section II

and/or test equipment referenced in the

a. Functional Group Number. The functional group

MAC.

is a numerical group set up on a functional basis. The

C--Service:

Operations required periodically to keep

applicable functional grouping indexes (obtained from TB

the item in proper operating conditions,

750-931, Functional Grouping Codes) are listed on the

i.e., to clean, preserve, drain, paint, and

MAC in the appropriate numerical sequence. These

replenish fuel, lubricants, hydraulic, and

indexes are normally set up in accordance with their

de-icing fluids, or compressed air

function and proximity to each other.

supplies.

b. Component Assembly Nomenclature.

This

D--Adjust:

Regulate

periodically

prevent

column contains a brief description of the components of

malfunction. Adjustments will be made

each functional group.

to commensurate with adjustment

procedures and associated equipment

c. Maintenance

Functions

and

Maintenance

adjustment specifications.

Categories. This column lists the various maintenance

E--Aline:

Adjust two or more components of an

functions (A through K) and indicates the lowest

electrical or mechanical system so that

maintenance category authorized to perform these

their

functions

are

properly

operations. The symbol designations for the various

synchronized or adjusted.

maintenance categories are as follows:

F--Calibrate:

Determine, check, or rectify the

graduation of an instrument, weapon, or

weapons system or components of a

weapons system.

C-1