APPENDIX B. MAINTENANCE ALLOCATION CHART

APPENDIX B

MAINTENANCE ALLOCATION CHART

Section I. INTRODUCTION

and electrical characteristics with established

B-1. General

standards.

a. This section provides a general explanation of

B-Test. to verify serviceability and to detect

all maintenance and repair functions authorized at

electrical or mechanical failure by use of text

various maintenance levels.

equipment.

b. Section II designates overall responsibility for

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

the performance of maintenance functions on the

to add fuel, lubricants, cooling agents, and air.

identified end item or component. The im-

(If it is desired that elements, such as painting

plementation of the maintenance functions upon

and lubricating, be defined separately, they

the identified end item or component will be

may be so listed.)

consistent with the assigned maintenance functions.

D-Adjust. To rectify to the extent necessary to

c. Section III lists the special tools and test

bring into proper operating range.

equipment required for each maintenance function

E-Align. To adjust specified variable elements

as referenced from Section II.

of an item to bring to optimum performance.

d. Section IV contains supplemental instructions

F-Calibrate. To determine the corrections to

or explanatory notes required for a particular

be made in the readings of instruments or test

maintenance function.

equipment u s e d in precise measurement.

B-2. Explanation of Columns in Section II

Consists of the comparison of two instruments,

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

one of which is a certified standard of known

group number is a numerical group assigned to

accuracy, to detect and adjust any discrepancy

each assembly. The assembly groups are listed on

i n the accuracy of the instrument being

the MAC in disassembly sequence beginning with

compared with the certified standard.

the first assembly removed in a top down

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

disassembly sequence.

environment such as an emplacement, site, or

b. Assembly Group, Column (2). This column

vehicle.

contains a brief description of the components of

H - R e p l a c e . To replace unserviceable items

each assembly group.

with serviceable like items.

c. Maintenance Functions, Column (3). T h i s

I-Repair. Those maintenance operations

column lists the various maintenance functions (A

necessary to restore an item to serviceable

through K). The upper case letter placed in the

c o n d i t i o n through correction of material

appropriate column indicates the lowest main-

damage or a specific failure. Repair may be

tenance level authorized to perform these functions.

accomplished at each level of maintenance.

The active repair time required to perform the

J-Overhaul. Normally, the highest degree of

maintenance function is included directly below the

maintenance performed by the Army in order

symbol identifying the category of maintenance.

to minimize time work is in process consistent

The symbol designations for the various main-

with quality and economy of operation. It

tenance levels are as follows:

consists of that maintenance necessary to

restore an item to completely serviceable

C--Operator or crew

c o n d i t i o n as p r e s c r i b e d by maintenance

O--Organizational maintenance

F--Direct support maintenance

standards in technical publications for each

H--General support maintenance

item of equipment. Overhaul normally does

D--Depot maintenance

not return an item to like new, zero mileage, or

zero hour condition.

The maintenance functions are defined as follows:

K - R e b u i l d . The highest degree of materiel

maintenance. It consists of restoring equip-

A-Inspect. to determine serviceability of an

ment as nearly as possible to new condition in

item by comparing its physical, mechanical,