Appendix B. MAINTENANCE ALLOCATION

TM 11-6130-247-14-1

APPENDIX B

MAINTENANCE ALLOCATION

Section I. INTRODUCTION

B - 1 . General.

i. Repair. The application of maintenance servica

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

This appendix provides a summary of the maintenance

or other maintenance actions (welding, grinding, rivet

operations for PP-3940A/G. It authorizes categories

ing, straightening, facing, remachining, or resurfac-

of maintenance for specific maintenance functions on

ing) to restore serviceability to an item by correcting

repairable items and components and the tools and

specific damage, fault, malfunction, or failure in a

equipment required to perform each function. This ap-

part, subassembly, module (component or assembly)

pendix maybe used as an aid in planning maintenance

end item, or system. This function does not include the

operations.

trial and error replacement of running spare type

B-2. Maintenance Function.

items such as fuses, lamps, or electron tubes.

j. Overhaul. That maintenance effort (service/ac-

Maintenance functions will be limited to and defined

tion) necessary to restore an item to a completely serv-

as follows:

iceable/operational condition as prescribed by mainte-

a. Inspect. To determine the serviceability of an

nance standards (i.e., DMWR) in appropriate technical

tern by comparing its physical, mechanical, and/or

publications. Overhaul is normally the highest degree

electrical characteristic with established standards

of maintenance performed by the Army. Overhaul

through examination.

does not normally return an item to like new condi-

b. Test. To verify serviceability and to detect incipi-

tion.

ent failure by measuring the mechanical or electrical

k. Rebuild. Consists of those services/actions neces-

characteristics of an item and comparing those charac-

sary for the restoration of unserviceable equipment to

teristics with prescribed standards.

a like new condition in accordance with original manu-

c. Service. Operations required periodically to keep

facturing standards. Rebuild is the highest degree of

an item in proper operating condition, i.e., to clean (de-

materiel maintenance applied to Army equipment.

`contaminate), to preserve, to drain, to paint, or to re-

The rebuild operation includes the act of returning tc

plenish fuel, lubricants, hydraulic fluids, or com-

zero those age measurement (hours, miles, etc.) con-

pressed air supplies.

sidered in classifying Army equipments/components.

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

bringing into proper or exact position, or by setting

B-3. Column Entries.

he operating characteristics to the specified parame-

ers.

a. Column 1, Group Number. Column 1 lists group

numbers, the purpose of which is to identify compo-

e. Align. To adjust specified variable elements of an

nents, assemblies, subassemblies, and modules with

tern to bring about optimum or desired performance.

the next higher assembly.

f. Calibrate. To determine and cause corrections to

be made or to be adjusted on instruments or test meas-

b. Column 2, Component/Assembly. Column 2 con-

ring and diagnostic equipments used in precision

tains the noun names of components, assemblies, sub

measurement. Consists of comparisons of two instru-

assemblies, and modules for which maintenance is au-

ments, one of which is a certified standard of known

thorized.

accuracy, to detect and adjust any discrepancy in the

c. Column 3, Maintenance Functions. Column 3 lists

accuracy of the instruments being compared.

the functions to be performed on the item listed in col-

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

umn 2. When items are listed without maintenance

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

functions, it is solely for purpose of having the group

embly) in a manner to allow the proper functioning of

numbers in the MAC and RPSTL coincide.

he equipment or system.

d. Column 4, Maintenance Category. Column 4

h. Replace, The act of substituting a serviceable like

specifies, by the listing of a "worktime" figure in the

appropriate subcolumn(s), the lowest level of mainte-

type part, subassembly, or module (component or as-

nance authorized to perform the function listed in col-

embly) for an unserviceable counterpart.

B-1