Appendix B MAINTENANCE ALLOCATION CHART

TM 9-2320-270-20-3

APPENDIX B

MAINTENANCE ALLOCATION CHART

Page

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section 1.

B-1

Maintenance Allocation Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section Il.

B-5

Tool and Test Equipment Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section III.

B-22

Remarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section IV.

B-30

Section I INTRODUCTION

Page

Explanation of Columns in

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1

Remarks, Section IV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B-4

Maintenance Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1

Explanation of Columns in

the MAC, Section II . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B-3

Explanation of Columns in

Tool and Test Equipment

Requirements, Section III . . . . . . . . . . . . . . . . . . . . . . . . . .

B-4

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

various maintenance categories.

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 categories.

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.

Section IV contains supplemental instructions and explanatory notes for a particular maintenance

function.

MAINTENANCE FUNCTIONS

Maintenance functions will be limited to and defined as follows (except for ammunition MAC1):

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).

1Exception is authorized for ammunition MAC to permit the redesignation/redifinition 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