APPENDIX B MAINTENANCE ALLOCATION CHART

APPENDIX B

MAINTENANCE ALLOCATION CHART

Section I. INTRODUCTION

B-1. General

characteristics with established standards through

examination.

a. This section provides a general explanation of

all maintenance and repair functions authorized at

B Test: To verify serviceability and detect incipient

various maintenance levels.

failure by measuring the mechanical or electrical

characteristics of an item and comparing those

b. Section II designates overall responsibility for

characteristics with prescribed standards.

the performance of maintenance functions on the

identified end item or component and the work

C Service: Operations required periodically to

measurement time required to perform the functions by

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

the designated maintenance level. The implementation

to preserve, to drain, to paint, or to replenish fuel,

of the maintenance functions upon the end item or

lubricants, hydraulic fluids, or compressed air supplies.

component will be consistent with the assigned

D Adjust: To maintain within prescribed limits, by

maintenance functions.

bringing into proper or exact position, or by setting the

c. Section III lists the special tools and test

operating characteristics to specified parameters.

equipment required for each maintenance function as

E Aline: To adjust specified variable elements of,

referenced from Section II. (Not Applicable).

an item to bring about optimum or desired performance.

d. Section IV contains supplemental instructions or

F Calibrate: To determine and cause corrections

explanatory notes for a particular maintenance function.

to be made or to be adjusted on instruments or test

(Not Applicable).

measuring and diagnostic equipments used in precision

measurement.

Consists of comparisons of two

B-2. Explanation of Columns in Section II

instruments, one of which is a certified standard of

a. Column (1), Group Number. A number is

known accuracy, to detect and adjust any discrepancy in

assigned to each group in a top down breakdown

the accuracy of the instrument being compared.

sequence. The applicable groups are listed on the MAC

G Install: The act of emplacing, seating, or fixing

in disassembly sequence beginning with the first group

into position an item, part, or module (component or

removed.

assembly) in a manner to allow the proper functioning of

an equipment or system.

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

H Replace: The act of substituting a serviceable

contains a brief description of the components of each

like type part, subassembly, or module (component or

numerical group.

assembly) for an unserviceable counterpart.

c. Column (3), Maintenance Functions.

This

I Repair: The application of maintenance services

column lists the various maintenance functions (A

(inspect, test, service, adjust, align, calibrate, or replace)

through K). The lowest maintenance level authorized to

or other maintenance actions (welding, grinding,

perform these functions is indicated by a symbol in the

reveting, straightening, facing, remachining or

appropriate column. Work measurement time standards

resurfacing) to restore serviceability to an item by

correcting specific damage, fault, malfunction, or failure

(the active repair time required to perform the

in a part, subassembly, modure (component or

maintenance function) are shown directly below the

assembly), end item, or system.

symbol identifying the maintenance level. The symbol

designations for the various maintenance levels are as

J Overhaul:

That

maintenance

effort

follows:

(service/action) necessary to restore an item to a

completely serviceable/operational condition as pre-

C-Operator or crew

scribed by maintenance standards (i.e., DMWR) in

O-Organization maintenance

appropriate technical publication. Overhaul is normally

F-Direct support maintenance

the highest degree of maintenance performed by the

H-General support maintenance

Army. Overhaul does not normally return an item to like

D-Depot maintenance

new condition.

The maintenance functions are defined as follows:

K Rebuild: Consists of those services/actions

A Inspect: To determine serviceability of an item

by comparing its physical, mechanical, and electrical

B-1