Appendix B: MAINTENANCE ALLOCATION CHART

TM 9-2350-238-20-1

APPENDIX B

MAINTENANCE ALLOCATION CHART

SECTION I

INTRODUCTION

B-1. GENERAL.

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

at various maintenance levels.

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

the capacities and capabilities of the designated maintenance levels.

c. Section Ill lists the tools and test equipment (both special tools and common tool sets)

required for each maintenance function as referenced from section Il.

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

maintenance function.

B-2. MAINTENANCE FUNCTIONS. Maintenance functions will be limited to and defined as

follows (except for ammunition MAC'):

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

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.

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

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

lubricants, chemical fluids, or gases.

`Exception is authorized for ammunition MAC to permit the redesignation/redefinition of maintenance

function headings to more adequately identify ammunition maintenance functions. The heading

designations and definitions will be included in the appropriate technical manual for each category of

ammunition.

B-1