Appendix C. MAINTENANCE ALLOCATION - TM-11-5821-285-12-10062

TM 11-5821-285-1

APPENDIX C

MAINTENANCE ALLOCATION

Section I. INTRODUCTION

C-1. General

h. Replace. The act of substituting a serviceable

This appendix provides a summary of the maintenance

like type part, subassembly, or module (component or

operations for AN/ASC-15A(V)1 and AN/ASC-15A (V) 2.

assembly) for an unserviceable counterpart.

It authorizes categories of maintenance for specific

i. Repair. The application of maintenance services

maintenance functions on repairable items and

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

components and the tools and equipment required to

other maintenance actions (welding, grinding, riveting,

perform each function. This appendix may be used as

straightening, facing, remachining, or resurfacing) to

an aid in planning maintenance operations.

restore serviceability to an item by correcting specific

damage,

fault, malfunction, or failure in a part,

C-2. Maintenance Function

subassembly, module (component or assembly), end

Maintenance functions will be limited to and defined as

item, or system.

follows:

Overhaul That maintenance effort (ser-

a. Inspect. To determine the serviceability of an

vice/action) necessary to restore an item to a completely

item by comparing its physical, mechanical, and/or

serviceable/operational condition as prescribed by

electrical characteristics with established standards

maintenance standards (i.e., DMWR) in appropriate

through examination.

technical publications. Overhaul is normally the highest

b. Test. To verify serviceability and to detect

degree of maintenance performed by the Army.

incipient failure by measuring the mechanical or

Overhaul is normally the highest degree of maintenance

electrical characteristics of an item and comparing those

performed by the Army. Overhaul does not normally

characteristics with prescribed standards.

return an item to like new condition.

c. Service. Operations required periodically to keep

Rebuild Consists of those services/actions

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

necessary for the restoration of unserviceable equipment

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

to a like new condition in accordance with original

replenish fuel, lubricants, hydraulic fluids, or compressed

manufacturing standards. Rebuild is the highest degree

air supplies.

of materiel maintenance applied to Army equipment.

d Adjust. To maintain, within prescribed limits, by

The rebuild operation includes the act of returning of

bringing into proper or exact position, or by setting the

zero those age measurements (hours, miles, etc.)

operating characteristics to the specified parameters.

considered in classifying Army equipments/components.

e. Align, To adjust specified variable elements of an

item to bring about optimum or desired performance.

C-3. Column Entries

f. Calibrate. To determine and cause corrections to

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

be made or to be adjusted on instruments or test

numbers, the purpose of which is to identify components,

measuring and diagnostic equipments used in precision

assemblies, subassemblies, and modules with the next

measurement.

Consists of comparisons of two

higher assembly.

instruments, one of which is a certified standard of

b. Column 2, Component/Assembly. Column 2

known accuracy, to detect and adjust any discrepancy in

contains the noun names of components, assemblies,

the accuracy of the instrument being compared.

subassemblies, and modules for which maintenance is

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

authorized.

position an item, part, module (component or assembly)

c. Column 3, Maintenance Functions. Column 3

in a manner to allow the proper functioning of the

lists the functions to be performed on the item listed in

equipment or system.

column 2. When items are listed without maintenance

functions, it is solely for purpose of having

C-1