Appendix II. MAINTENANCE ALLOCATION CHART

Pages 103, appendix II is superseded as follows:

APPENDIX II

MAINTENANCE ALLOCATION CHART

Section I. INTRODUCTION

condition, i.e., to clean, preserve, drain, paint, and

1. General

replenish fuel, lubricants, hydraulic, and deicing

a. Section I provides a general explanation of all

fluids, or compressed air supplies.

maintenance and repair functions authorized at various

B-- ADJUST: Regulate periodically to prevent

maintenance levels.

malfunction.

Adjustments will be made

b. Section II designates overall responsibility for the

commensurate with adjustment procedures and

performance of maintenance operations on the

associated equipment specifications.

identified end item or component. The implementation

C-- ALINE: Adjust two or more components of an

of the maintenance tasks upon the end item or

electrical or mechanical system so that their

component will be consistent with the assigned

functions are properly synchronized or adjusted.

maintenance operations.

D-- CALIBRATE: Determine, check, or rectify the

graduation of an instrument, weapon, or weapons

2. Explanation of Columns In Section II

system or components of a weapons system.

a. Functional Group Number. The functional group

E-- INSPECT: Verify serviceability and detect incipient

is a numerical group set up on a functional basis. The

electrical or mechanical failure by close visual

applicable functional grouping indexes (obtained from

examination.

TB 750-93-1, Functional Grouping Codes) are listed on

F-- TEST: Verify serviceability and detect incipient

the MAC in the appropriate numerical sequence. These

electrical or mechanical failure by measuring the

indexes are normally set up in accordance with their

mechanical or electrical characteristics of the item

function and proximity to each other.

and comparing those characteristics with authorized

Component Assembly Nomenclature.

This

standards. Tests will be made commensurate with

column contains a brief description of the components

test procedures and with calibrated tools and/or test

of each functional group.

equipment referenced in the MAC.

Maintenance Operations and Maintenance

G-- REPLACE: Substitute serviceable components,

Levels. This column list the various maintenance

assemblies and subassemblies for unserviceable

operations (A through J) and indicates the lowest

counterparts or remove and install the same item

maintenance level authorized to perform these

when required for the performance of other

operations.

maintenance operations.

H-- REPAIR : Restore to a serviceable condition by

The symbol designations for the various

replacing unserviceable parts or by any other action

maintenance levels are as follows:

required using available tools, equipment and skills-

-to include welding, grinding, riveting, straightening,

C--Operator or crew

adjusting and facing.

O--Organizational maintenance

F--Direct support maintenance

H--General support maintenance

D--Depot maintenance

The Maintenance Operations are defined as follows:

A -SERVICE: Operations required periodically to keep

the item in proper operating

AGO 5667A