APPENDIX C. MAINTENANCE ALLOCATION - TM-11-5820-554-120100

TM 11-5820-554-12

APPENDIX C

MAINTENANCE ALLOCATION

SECTION I. INTRODUCTION

h Replace. The act of substituting a serviceable

C-1. General

like type part, subassembly, or module (component or

This appendix provides a summary of the maintenance

assembly) for an unserviceable counterpart.

operations for AN/FRC 93. It authorizes categories

i. Repair. The application of maintenance services

of maintenance for specific maintenance functions on

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

repairable items and components and the tools and

or other maintenance actions (welding, grinding,

equipment required to perform each function. This

riveting, straightening, facing, remachining, or

appendix may be used as an aid in planning

resurfacing) to restore serviceability to an item by

maintenance operations.

correcting specific damage, fault, malfunction, or

C-2. Maintenance Function.

failure in a part, subassembly, module (component or

Maintenance functions will be limited to and defined

assembly), end item, or system.

as follows:

Overhaul.

That

maintenance

effort

a. Inspect. To determine the serviceability of an

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

item by comparing its physical, mechanical, and/or

completely serviceable/operational condition as

electrical characteristics with established standards

prescribed by maintenance standards (i.e., DM. WR)

through examination.

in appropriate technical publications. Overhaul is

b. Test. To verify serviceability and to detect

normally the highest degree of maintenance performed

incipient failure by measuring the mechanical or

by the Army. Overhaul does not normally return an

electrical characteristics of an item and comparing

item to like new condition.

those characteristics with prescribed standards.

k. Rebuild. Consists of those services/actions

c. Service. Operations required periodically to

necessary for the restoration of unserviceable

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

equipment to a like new condition in accordance with

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

original manufacturing standards. Rebuild is the

or to replenish fuel, lubricants, hydraulic fluids, or

highest degree of material maintenance applied to

compressed air supplies.

Army equipment. The rebuild operation includes the

d. Adjust. To maintain, within prescribed limits,

act of returning to zero those age measurements

by bringing into proper or exact position, or by setting

(hours, miles, etc.) considered in classifying Army

the operating characteristics to the specified

equipments/components.

parameters.

C-3. Column Entries.

e. Align. To adjust specified variable elements of

a. Column 1, Group Number. Column l lists

an item to bring about optimum or desired

group numbers, the purpose of which is to identify

performance.

components, assemblies, subassemblies, and modules

f. Calibrate. To determine and cause corrections

with the next higher assembly.

to be made or to be adjusted on instruments or test

b. Column 2, Component/Assembly. Column 2

measuring and diagnostic equipment used in precision

contains the noun names of components, assemblies,

measurement. Consists of comparisons of two

subassemblies, and modules for which maintenance is

instruments, one of which is a certified standard of

authorized.

know accuracy, to detect and adjust any discrepancy

c. Column 3, Maintenance Functions. Column 3

in the accuracy of the instrument being compared.

lists the functions to be performed on the item listed in

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

column 2. When items are listed without maintenance

into position an item, part, module (component or

functions, it is solely for purpose of having the group

assembly) in a manner to allow the proper functioning

numbers in the MAC and RPSTL coincide.

of the equipment or system.

d. Column 4, Maintenance Category. Column 4

specifies, by the listing of a "work time" figure in the

C-1