APPENDIX A. MAINTENANCE ALLOCATION CHART

TM 11-6625-3056-12

Appendix A

MAINTENANCE ALLOCATION CHART

SECTION I. INTRODUCTION

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General

a. This section provides a general explanation of all maintenance and repair functions

authorized at various maintenance categories.

b. The Maintenance Allocation Chart (MAC) in Section II designates overall authority and

responsibility for the performance of maintenance functions on the identified end item or

component. The application of the maintenance functions to the end item or component will

be consistent with capacities and capabilities of the designated maintenance categories.

Section III lists the tools and test equipment (both special tools and common tool sets)

required for each maintenance function as referenced from Section II.

d. Section IV contains supplemental instructions and explanatory notes for a particular

maintenance function.

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Main-

Maintenance functions will be limited to and defined as follows:

tenance

a. Inspect. To determine the serviceability of an item by comparing its physical, mechanical,

Functions

and/or electrical characteristics with established standards through examination (e.g., by

sight, sound, or feel).

b. Test. To verify serviceability by measuring the mechanical, pneumatic, hydraulic, or electrical

characteristics of an item and comparing those characteristics with prescribed standards.

Service. Operations required periodically to keep an item in proper operating condition, i.e., to

clean (includes decontaminate, when required), to preserve, to drain, to paint, or to replenish

fuel, lubricants, chemical fluids, or gases.

d. Align. To adjust specified variable elements of an item to bring about optimum or desired

performance.

e. Calibrate. To determine and cause corrections to be made or to be adjusted on instruments or

test measuring and diagnostic equipments used in precision measurement. Consists of

comparisons of two instruments, one of which is a certified standard of known accuracy, to

detect and adjust any discrepancy in the accuracy of the instrument being compared.

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