Appendix B. MAINTENANCE ALLOCATION CHART

APPENDIX B

MAINTENANCE ALLOCATION CHART

Section I. INTRODUCTION

R-Test. To verify serviceability and

detect

B-l. General

electrical or mechanical failure by use of test,

a. This section provides a general explanation of all

equipment.

maintenance and repair functions authorized at various

C-Service. To clean, to preserve, to charge, and to

maintenance levels.

add fuel, lubricants, cooling agents, and air.

b. Section II designates overall responsibility for

D-Adjust. To rectify to the extent necessary to

the performance of maintenance functions on the

bring into proper operating range.

identified end item or component. The implementation

E-Align. To adjust specified variable elements of

of the maintenance functions upon the end item or

an item to bring to optimum performance.

component will be consistent with the assigned

F--Calibrate. To determine the corrections to be

maintenance functions.

made in the readings of instruments or test

c. Section III. Not Applicable.

equipment used in precise measurement. Con-

d. Section IV. Sot Applicable.

sists of the comparison of two instruments, one

of which is a certified standard of known

B-2. Explanation of Columns in Sec-

accuracy, to detect and adjust any discrepancy

tion II

in the accuracy of the instrument being com-

a. Group Number. Column (1). The assembly group

pared with the certified standard.

is a numerical group assigned to each assembly in a top

G--Install. To set up for use in an operational

down breakdown sequence. The applicable assembly

environment such as an emplacement, site, or

groups are listed on the MAC in disassembly sequence

vehicle.

beginning with the first assembly removed in a top

H-Replace. To replace unserviceable items with

down disassembly sequence.

serviceable like items.

b. Functional Group. Column (2). This column

I-Repair. Those maintenance operations neces-

contains a brief description of the components of each

sary to restore an item to serviceable condition

assembly group.

through correction of material damage or a

c. Maintenance Functions. Column (3). This column

specific failure. Repair may be accomplished at

lists the various maintenance functions (A through K)

each level of maintenance.

and indicates the lowest maintenance level authorized

J-K--Overhaul/Rebuild. The disassembly, test, and

to perform these functions. The symbol designations

inspection of the operating components and

for the various maintenance levels are as follows:

the basic structure to determine and accomplish

C-Operator or crew

the necessary rework, rebuild, replacement, and

O-Organizational maintenance

servicing to obtain the desired performance.

F--Direct support maintenance

H-General support maintenance

Overhaul, rework, and rebuild are synonymous.

D-Depot maintenance

d. Tools and Equipment. Column (4). This column is

The maintenance functions are defined as follows :

provided for referencing by code the special tools and

A-Inspect. To determine serviceability of an item

test equipment required to perform the maintenance

by comparing its physical, mechanical, and

functions.

electrical characteristics with established

e. Remarks. Column (5). This column is provided

standards.

for referencing by code the remarks pertinent to the

maintenance functions.

B-1