Appendix C. MAINTENANCE ALLOCATION

APPENDIX C

MAINTENANCE ALLOCATION

Section I. INTRODUCTION

C-1. General

the proper functioning of the equipment or

system.

This appendix provides a summary of the

h. Replace. The act of substituting a service-

. It au-

maintenance operations for

able like type part, subassembly, or module

thorizes categories of maintenance for specific

(component or assembly) for an unserviceable

maintenance functions on repairable items and

counterpart.

components and the tools and equipment re-

i. Repair. The application of maintenance

quired to perform each function. This appendix

services (inspect, test, service, adjust, align,

may be used as an aid in planning maintenance

calibrate, replace) or other maintenance actions

operations.

(welding, grinding, riveting, straightening, fac-

ing, remachining, or resurfacing) to restore

C-2. Maintenance Function

serviceability to an item by correcting specific

Maintenance functions will be limited to and

damage, fault, malfunction, or failure in a part,

defined as follows:

subassembly, module (component or assembly),

a. Inspect. To determine the serviceability y of

end item, or system.

j. Overhaul. T h a t m a i n t e n a n c e e f f o r t

an item by comparing its physical, mechanical,

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

and/or electrical characteristics with estab-

lished standards through examination.

completely serviceable/operational condition as

b. Test. To verify serviceability and to detect

prescribed by maintenance standards (i.e.,

DMWR) in appropriate technical publications.

incipient failure by measuring the mechanical

or electrical characteristics of an item and

Overhaul is normally the highest degree of

maintenance performed by the Army. Overhaul

comparing those characteristics with prescribed

standards.

does not normally return an item to like new

c. Service. Operations required periodically to

condition.

k. Rebuild. Consists of those services/actions

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

necessary for the restoration of unserviceable

to clean (decontaminate), to preserve, to drain,

equipment to a like new condition in accordance

to paint, or to replenish fuel, lubricants, hydrau-

lic fluids, or compressed air supplies.

with original manufacturing standards. Re-

d. Adjust. To maintain, within prescribed

build is the highest degree of materiel mainte-

nance applied to Army equipment. The rebuild

limits, by bringing into proper or exact position,

operation includes the act of returning to zero

or by setting the operating characteristics to the

specified parameters.

those age measurements (hours, miles, etc.)

e. Align. To adjust specified variable elements

considered in classifying Army equipments

of an item to bring about optimum or desired

components.

performance.

C-3. Column Entries

f. Calibrate. To determine and cause correc-

a. Column 1, Group Number. Column 1 lists

tions to be made or to be adjusted on instru-

m e n t s or test measuring and diagnostic

group numbers, the purpose of which is to

i d e n t i f y components, assemblies, subas-

equipments used in precision measurement.

semblies, and modules with the next higher

Consists of comparisons of two instruments, one

assembly.

of which is a certified standard of known

b. Column 2, Component/Assembly. Column 2

accuracy, to detect and adjust any discrepancy

contains the noun names of components, as-

in the accuracy of the instrument being com-

semblies, subassemblies, and modules for which

pared.

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

maintenance is authorized.

fixing into position an item, part, module

c. Column 3, Maintenance Functions. Column

(component or assembly) in a manner to allow

3 lists the functions to be performed on the item