Appendix B. MAINTENANCE ALLOCATION CHART

ARMY TM 9-6650-235-13&P

MARINE CORPS TM-08552A-13&P

APPENDIX B

MAINTENANCE ALLOCATION CHART

Section I.

INTRODUCTION

B-1. GENERAL.

c. Service. Operations required periodically to

keep an item in proper operating condition, i.e.,

a. This section provides a general explanation of all

to clean (includes to decontaminate, when

maintenance and repair functions authorized at

required), to preserve, to drain, to paint, or to

various maintenance categories.

replenish fuel, lubricants, chemical fluids, or

gases.

b. The Maintenance Allocation Chart (MAC) in

section II designates overall responsibility for the

d. Adjust. To maintain, within prescribed limits, by

performance of maintenance functions on the

bringing into proper or exact position, or by

identified end item or component.

The

setting the operating characteristics to specified

implementation of the maintenance functions

parameters.

upon the end item or component will be

consistent with the assigned maintenance

e. Aline. To adjust specified variable elements of

functions.

an item to bring about optimum or desired

performance.

c. Section III lists the special tools and test

equipment required for each maintenance

f. Calibrate. To determine and cause corrections

function as referenced from section II.

to be made or to be adjusted on instruments or

test, measuring, and diagnostic equipments

d. Section IV contains supplemental instructions

used in precision measurement. Consists of

and explanatory notes for a particular

comparisons of two instruments, one of which is

maintenance function.

a certified standard of known accuracy, to detect

and adjust any discrepancy in the accuracy of

B-2. MAINTENANCE FUNCTIONS.

the instrument being compared.

Maintenance functions will be limited to and defined

g. Install. The act of emplacing, seating, or fixing

as follows: (except for ammunition MAC )

into position an item, part, or module

(component or assembly) in a manner to allow

a. Inspect. To determine the serviceability of an

the proper functioning of equipment or system.

item by comparing its physical, mechanical,

and/or electrical characteristics with established

standards through examination.

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Exception is authorized for ammunition MAC

b. Test. To verify serviceability by measuring the

to permit the redesignation/ redefinition of

mechanical or electrical characteristics of an

maintenance function headings to more

item and comparing those characteristics with

adequately identify ammunition maintenance

prescribed standards.

functions.

The heading designations and

definitions will be included in the appropriate

technical manual for each category of

ammunition.

B-1