Appendix B. MAINTENANCE ALLOCATION CHART

TM 9-6115-661-13&P

APPENDIX

MAINTENANCE

ALLOCATION

CHART

Section I. INTRODUCTION

B-1 General.

B-1.1 This section provides a general explanation of all maintenance and repair functions authorized at

various maintenance levels.

B-1.2 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.

B-1.3 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.

B-1.4 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:

B-2.1 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-2.2 Test. To verify serviceability by measuring the mechanical, pneumatic, hydraulic, or electrical

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

B-2.3 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.

B-2.4 Adjust. To maintain or regulate, within prescribed limits, by bringing into proper or exact position,

or by setting the operating characteristics to specified parameters.

B-2.5 Aline. To adjust specified variable elements of an item to bring about optimum or desired

performance.

B-2.6 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.